fix: update go.sum for gopsutil Windows dependencies

refactor: use gopsutil and go-humanize for preflight checks
- Added gopsutil/v3 for cross-platform system metrics * Works on Linux, macOS, Windows, BSD * Memory detection no longer requires /proc parsing - Added go-humanize for readable output * humanize.Bytes() for memory sizes * humanize.Comma() for large numbers - Improved preflight display with memory usage percentage - Linux kernel checks (shmmax/shmall) still use /proc for accuracy
2026-01-14 15:50:13 +01:00 · 2026-01-14 15:47:31 +01:00 · 2026-01-14 15:30:41 +01:00
5 changed files with 615 additions and 67 deletions
--- a/bin/README.md
+++ b/bin/README.md
@@ -4,8 +4,8 @@ This directory contains pre-compiled binaries for the DB Backup Tool across mult

 ## Build Information
 - **Version**: 3.42.10
- **Build Time**: 2026-01-14_07:16:09_UTC
- **Git Commit**: c71889b
+- **Build Time**: 2026-01-14_14:49:15_UTC
+- **Git Commit**: 8c85d85

 ## Recent Updates (v1.1.0)
 - ✅ Fixed TUI progress display with line-by-line output
--- a/go.mod
+++ b/go.mod
@@ -5,15 +5,27 @@ go 1.24.0
 toolchain go1.24.9

 require (
-	github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2
+	cloud.google.com/go/storage v1.57.2
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3
+	github.com/aws/aws-sdk-go-v2 v1.40.0
+	github.com/aws/aws-sdk-go-v2/config v1.32.2
+	github.com/aws/aws-sdk-go-v2/credentials v1.19.2
+	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.20.12
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1
 	github.com/charmbracelet/bubbles v0.21.0
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
+	github.com/dustin/go-humanize v1.0.1
 	github.com/go-sql-driver/mysql v1.9.3
 	github.com/jackc/pgx/v5 v5.7.6
+	github.com/mattn/go-sqlite3 v1.14.32
+	github.com/shirou/gopsutil/v3 v3.24.5
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/cobra v1.10.1
 	github.com/spf13/pflag v1.0.9
+	golang.org/x/crypto v0.43.0
+	google.golang.org/api v0.256.0
 )

 require (
@@ -24,20 +36,13 @@ require (
 	cloud.google.com/go/compute/metadata v0.9.0 // indirect
 	cloud.google.com/go/iam v1.5.2 // indirect
 	cloud.google.com/go/monitoring v1.24.2 // indirect
-	cloud.google.com/go/storage v1.57.2 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0 // indirect
-	github.com/aws/aws-sdk-go-v2 v1.40.0 // indirect
 	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.3 // indirect
-	github.com/aws/aws-sdk-go-v2/config v1.32.2 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.19.2 // indirect
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.14 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.20.12 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.14 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.14 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4 // indirect
@@ -46,7 +51,6 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.5 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.14 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.14 // indirect
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/signin v1.0.2 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.30.5 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.10 // indirect
@@ -59,7 +63,6 @@ require (
 	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 // indirect
-	github.com/creack/pty v1.1.17 // indirect
 	github.com/envoyproxy/go-control-plane/envoy v1.32.4 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
@@ -67,6 +70,7 @@ require (
 	github.com/go-jose/go-jose/v4 v4.1.2 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.7 // indirect
@@ -76,17 +80,21 @@ require (
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect
-	github.com/mattn/go-sqlite3 v1.14.32 // indirect
 	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/spiffe/go-spiffe/v2 v2.5.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	github.com/zeebo/errs v1.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/detectors/gcp v1.36.0 // indirect
@@ -97,14 +105,12 @@ require (
 	go.opentelemetry.io/otel/sdk v1.37.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.37.0 // indirect
 	go.opentelemetry.io/otel/trace v1.37.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
 	golang.org/x/net v0.46.0 // indirect
 	golang.org/x/oauth2 v0.33.0 // indirect
 	golang.org/x/sync v0.18.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
 	golang.org/x/text v0.30.0 // indirect
 	golang.org/x/time v0.14.0 // indirect
-	google.golang.org/api v0.256.0 // indirect
 	google.golang.org/genproto v0.0.0-20250603155806-513f23925822 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250818200422-3122310a409c // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251103181224-f26f9409b101 // indirect
--- a/go.sum
+++ b/go.sum
@@ -10,36 +10,44 @@ cloud.google.com/go/compute/metadata v0.9.0 h1:pDUj4QMoPejqq20dK0Pg2N4yG9zIkYGdB
 cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10=
 cloud.google.com/go/iam v1.5.2 h1:qgFRAGEmd8z6dJ/qyEchAuL9jpswyODjA2lS+w234g8=
 cloud.google.com/go/iam v1.5.2/go.mod h1:SE1vg0N81zQqLzQEwxL2WI6yhetBdbNQuTvIKCSkUHE=
+cloud.google.com/go/logging v1.13.0 h1:7j0HgAp0B94o1YRDqiqm26w4q1rDMH7XNRU34lJXHYc=
+cloud.google.com/go/logging v1.13.0/go.mod h1:36CoKh6KA/M0PbhPKMq6/qety2DCAErbhXT62TuXALA=
+cloud.google.com/go/longrunning v0.7.0 h1:FV0+SYF1RIj59gyoWDRi45GiYUMM3K1qO51qoboQT1E=
+cloud.google.com/go/longrunning v0.7.0/go.mod h1:ySn2yXmjbK9Ba0zsQqunhDkYi0+9rlXIwnoAf+h+TPY=
 cloud.google.com/go/monitoring v1.24.2 h1:5OTsoJ1dXYIiMiuL+sYscLc9BumrL3CarVLL7dd7lHM=
 cloud.google.com/go/monitoring v1.24.2/go.mod h1:x7yzPWcgDRnPEv3sI+jJGBkwl5qINf+6qY4eq0I9B4U=
 cloud.google.com/go/storage v1.57.2 h1:sVlym3cHGYhrp6XZKkKb+92I1V42ks2qKKpB0CF5Mb4=
 cloud.google.com/go/storage v1.57.2/go.mod h1:n5ijg4yiRXXpCu0sJTD6k+eMf7GRrJmPyr9YxLXGHOk=
+cloud.google.com/go/trace v1.11.6 h1:2O2zjPzqPYAHrn3OKl029qlqG6W8ZdYaOWRyr8NgMT4=
+cloud.google.com/go/trace v1.11.6/go.mod h1:GA855OeDEBiBMzcckLPE2kDunIpC72N+Pq8WFieFjnI=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0 h1:JXg2dwJUmPB9JmtVmdEB16APJ7jurfbY5jnfXpJoRMc=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0/go.mod h1:YD5h/ldMsG0XiIw7PdyNhLxaM317eFh5yNLccNfGdyw=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.13.0 h1:KpMC6LFL7mqpExyMC9jVOYRiVhLmamjeZfRsUpB7l4s=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.13.0/go.mod h1:J7MUC/wtRpfGVbQ5sIItY5/FuVWmvzlY21WAOfQnq/I=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2 h1:9iefClla7iYpfYWdzPCRDozdmndjTm8DXdpCzPajMgA=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.11.2/go.mod h1:XtLgD3ZD34DAaVIIAyG3objl5DynM3CQ/vMcbBNJZGI=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.8.1 h1:/Zt+cDPnpC3OVDm/JKLOs7M2DKmLRIIp3XIx9pHHiig=
+github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.8.1/go.mod h1:Ng3urmn6dYe8gnbCMoHHVl5APYz2txho3koEkV2o2HA=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3 h1:ZJJNFaQ86GVKQ9ehwqyAFE6pIfyicpuJ8IkVaPBc6/4=
 github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.3/go.mod h1:URuDvhmATVKqHBH9/0nOiNKk0+YcwfQ3WkK5PqHKxc8=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.5.0 h1:XkkQbfMyuH2jTSjQjSoihryI8GINRcs4xp8lNawg0FI=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.5.0/go.mod h1:HKpQxkWaGLJ+D/5H8QRpyQXA1eKjxkFlOMwck5+33Jk=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0 h1:UQUsRi8WTzhZntp5313l+CHIAT95ojUI2lpP/ExlZa4=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0/go.mod h1:Cz6ft6Dkn3Et6l2v2a9/RpN7epQ1GtDlO6lj8bEcOvw=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0 h1:owcC2UnmsZycprQ5RfRgjydWhuoxg71LUfyiQdijZuM=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0/go.mod h1:ZPpqegjbE99EPKsu3iUWV22A04wzGPcAY/ziSIQEEgs=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.53.0 h1:4LP6hvB4I5ouTbGgWtixJhgED6xdf67twf9PoY96Tbg=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.53.0/go.mod h1:jUZ5LYlw40WMd07qxcQJD5M40aUxrfwqQX1g7zxYnrQ=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0 h1:Ron4zCA/yk6U7WOBXhTJcDpsUBG9npumK6xw2auFltQ=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0/go.mod h1:cSgYe11MCNYunTnRXrKiR/tHc0eoKjICUuWpNZoVCOo=
-github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2 h1:+vx7roKuyA63nhn5WAunQHLTznkw5W8b1Xc0dNjp83s=
-github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
 github.com/aws/aws-sdk-go-v2 v1.40.0 h1:/WMUA0kjhZExjOQN2z3oLALDREea1A7TobfuiBrKlwc=
 github.com/aws/aws-sdk-go-v2 v1.40.0/go.mod h1:c9pm7VwuW0UPxAEYGyTmyurVcNrbF6Rt/wixFqDhcjE=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.3 h1:DHctwEM8P8iTXFxC/QK0MRjwEpWQeM9yzidCRjldUz0=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.3/go.mod h1:xdCzcZEtnSTKVDOmUZs4l/j3pSV6rpo1WXl5ugNsL8Y=
-github.com/aws/aws-sdk-go-v2/config v1.32.1 h1:iODUDLgk3q8/flEC7ymhmxjfoAnBDwEEYEVyKZ9mzjU=
-github.com/aws/aws-sdk-go-v2/config v1.32.1/go.mod h1:xoAgo17AGrPpJBSLg81W+ikM0cpOZG8ad04T2r+d5P0=
 github.com/aws/aws-sdk-go-v2/config v1.32.2 h1:4liUsdEpUUPZs5WVapsJLx5NPmQhQdez7nYFcovrytk=
 github.com/aws/aws-sdk-go-v2/config v1.32.2/go.mod h1:l0hs06IFz1eCT+jTacU/qZtC33nvcnLADAPL/XyrkZI=
-github.com/aws/aws-sdk-go-v2/credentials v1.19.1 h1:JeW+EwmtTE0yXFK8SmklrFh/cGTTXsQJumgMZNlbxfM=
-github.com/aws/aws-sdk-go-v2/credentials v1.19.1/go.mod h1:BOoXiStwTF+fT2XufhO0Efssbi1CNIO/ZXpZu87N0pw=
 github.com/aws/aws-sdk-go-v2/credentials v1.19.2 h1:qZry8VUyTK4VIo5aEdUcBjPZHL2v4FyQ3QEOaWcFLu4=
 github.com/aws/aws-sdk-go-v2/credentials v1.19.2/go.mod h1:YUqm5a1/kBnoK+/NY5WEiMocZihKSo15/tJdmdXnM5g=
 github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.14 h1:WZVR5DbDgxzA0BJeudId89Kmgy6DIU4ORpxwsVHz0qA=
@@ -62,24 +70,14 @@ github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.14 h1:FIouAnCE
 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.14/go.mod h1:UTwDc5COa5+guonQU8qBikJo1ZJ4ln2r1MkF7Dqag1E=
 github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.14 h1:FzQE21lNtUor0Fb7QNgnEyiRCBlolLTX/Z1j65S7teM=
 github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.14/go.mod h1:s1ydyWG9pm3ZwmmYN21HKyG9WzAZhYVW85wMHs5FV6w=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.92.0 h1:8FshVvnV2sr9kOSAbOnc/vwVmmAwMjOedKH6JW2ddPM=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.92.0/go.mod h1:wYNqY3L02Z3IgRYxOBPH9I1zD9Cjh9hI5QOy/eOjQvw=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1 h1:OgQy/+0+Kc3khtqiEOk23xQAglXi3Tj0y5doOxbi5tg=
 github.com/aws/aws-sdk-go-v2/service/s3 v1.92.1/go.mod h1:wYNqY3L02Z3IgRYxOBPH9I1zD9Cjh9hI5QOy/eOjQvw=
-github.com/aws/aws-sdk-go-v2/service/signin v1.0.1 h1:BDgIUYGEo5TkayOWv/oBLPphWwNm/A91AebUjAu5L5g=
-github.com/aws/aws-sdk-go-v2/service/signin v1.0.1/go.mod h1:iS6EPmNeqCsGo+xQmXv0jIMjyYtQfnwg36zl2FwEouk=
 github.com/aws/aws-sdk-go-v2/service/signin v1.0.2 h1:MxMBdKTYBjPQChlJhi4qlEueqB1p1KcbTEa7tD5aqPs=
 github.com/aws/aws-sdk-go-v2/service/signin v1.0.2/go.mod h1:iS6EPmNeqCsGo+xQmXv0jIMjyYtQfnwg36zl2FwEouk=
-github.com/aws/aws-sdk-go-v2/service/sso v1.30.4 h1:U//SlnkE1wOQiIImxzdY5PXat4Wq+8rlfVEw4Y7J8as=
-github.com/aws/aws-sdk-go-v2/service/sso v1.30.4/go.mod h1:av+ArJpoYf3pgyrj6tcehSFW+y9/QvAY8kMooR9bZCw=
 github.com/aws/aws-sdk-go-v2/service/sso v1.30.5 h1:ksUT5KtgpZd3SAiFJNJ0AFEJVva3gjBmN7eXUZjzUwQ=
 github.com/aws/aws-sdk-go-v2/service/sso v1.30.5/go.mod h1:av+ArJpoYf3pgyrj6tcehSFW+y9/QvAY8kMooR9bZCw=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.9 h1:LU8S9W/mPDAU9q0FjCLi0TrCheLMGwzbRpvUMwYspcA=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.9/go.mod h1:/j67Z5XBVDx8nZVp9EuFM9/BS5dvBznbqILGuu73hug=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.10 h1:GtsxyiF3Nd3JahRBJbxLCCdYW9ltGQYrFWg8XdkGDd8=
 github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.10/go.mod h1:/j67Z5XBVDx8nZVp9EuFM9/BS5dvBznbqILGuu73hug=
-github.com/aws/aws-sdk-go-v2/service/sts v1.41.1 h1:GdGmKtG+/Krag7VfyOXV17xjTCz0i9NT+JnqLTOI5nA=
-github.com/aws/aws-sdk-go-v2/service/sts v1.41.1/go.mod h1:6TxbXoDSgBQ225Qd8Q+MbxUxUh6TtNKwbRt/EPS9xso=
 github.com/aws/aws-sdk-go-v2/service/sts v1.41.2 h1:a5UTtD4mHBU3t0o6aHQZFJTNKVfxFWfPX7J0Lr7G+uY=
 github.com/aws/aws-sdk-go-v2/service/sts v1.41.2/go.mod h1:6TxbXoDSgBQ225Qd8Q+MbxUxUh6TtNKwbRt/EPS9xso=
 github.com/aws/smithy-go v1.23.2 h1:Crv0eatJUQhaManss33hS5r40CG3ZFH+21XSkqMrIUM=
@@ -105,13 +103,18 @@ github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNE
 github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 h1:aQ3y1lwWyqYPiWZThqv1aFbZMiM9vblcSArJRf2Irls=
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-github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
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@@ -125,8 +128,19 @@ github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
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+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
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@@ -145,8 +159,12 @@ github.com/jackc/pgx/v5 v5.7.6 h1:rWQc5FwZSPX58r1OQmkuaNicxdmExaEz5A2DO2hUuTk=
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+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
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 github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
@@ -161,14 +179,21 @@ github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELU
 github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
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-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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@@ -179,13 +204,17 @@ github.com/spiffe/go-spiffe/v2 v2.5.0 h1:N2I01KCUkv1FAjZXJMwh95KK1ZIQLYbPfhaxw8W
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 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
+github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 github.com/zeebo/errs v1.4.0 h1:XNdoD/RRMKP7HD0UhJnIzUy74ISdGGxURlYG8HSWSfM=
 github.com/zeebo/errs v1.4.0/go.mod h1:sgbWHsvVuTPHcqJJGQ1WhI5KbWlHYz+2+2C/LSEtCw4=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
@@ -198,6 +227,8 @@ go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 h1:F7Jx+6h
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0/go.mod h1:UHB22Z8QsdRDrnAtX4PntOl36ajSxcdUMt1sF7Y6E7Q=
 go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
 go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.36.0 h1:rixTyDGXFxRy1xzhKrotaHy3/KXdPhlWARrCgK+eqUY=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.36.0/go.mod h1:dowW6UsM9MKbJq5JTz2AMVp3/5iW5I/TStsk8S+CfHw=
 go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
 go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
 go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
@@ -206,43 +237,32 @@ go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFh
 go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
 go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
 go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
-golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
-golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
-golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
-golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
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+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
 golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
-golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
-golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
 golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
 golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
 golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/api v0.256.0 h1:u6Khm8+F9sxbCTYNoBHg6/Hwv0N/i+V94MvkOSor6oI=
 google.golang.org/api v0.256.0/go.mod h1:KIgPhksXADEKJlnEoRa9qAII4rXcy40vfI8HRqcU964=
 google.golang.org/genproto v0.0.0-20250603155806-513f23925822 h1:rHWScKit0gvAPuOnu87KpaYtjK5zBMLcULh7gxkCXu4=
--- a/internal/restore/engine.go
+++ b/internal/restore/engine.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -928,23 +929,34 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 	}
 	e.log.Info("All dump files passed validation")

-	// AUTO-TUNE: Boost PostgreSQL lock capacity for large restores
-	// This prevents "out of shared memory" / max_locks_per_transaction errors
+	// Run comprehensive preflight checks (Linux system + PostgreSQL + Archive analysis)
+	preflight, preflightErr := e.RunPreflightChecks(ctx, dumpsDir, entries)
+	if preflightErr != nil {
+		e.log.Warn("Preflight checks failed", "error", preflightErr)
+	}
+
+	// Calculate optimal lock boost based on BLOB count
+	lockBoostValue := 2048 // Default
+	if preflight != nil && preflight.Archive.RecommendedLockBoost > 0 {
+		lockBoostValue = preflight.Archive.RecommendedLockBoost
+	}
+
+	// AUTO-TUNE: Boost PostgreSQL settings for large restores
 	e.progress.Update("Tuning PostgreSQL for large restore...")
-	originalLockValue, tuneErr := e.boostLockCapacity(ctx)
+	originalSettings, tuneErr := e.boostPostgreSQLSettings(ctx, lockBoostValue)
 	if tuneErr != nil {
-		e.log.Warn("Could not boost lock capacity - restore may fail on BLOB-heavy databases",
+		e.log.Warn("Could not boost PostgreSQL settings - restore may fail on BLOB-heavy databases",
 			"error", tuneErr)
 	} else {
-		e.log.Info("Boosted max_locks_per_transaction for restore",
-			"original", originalLockValue,
-			"boosted", 2048)
-		// Ensure we reset lock capacity when done (even on failure)
+		e.log.Info("Boosted PostgreSQL settings for restore",
+			"max_locks_per_transaction", fmt.Sprintf("%d → %d", originalSettings.MaxLocks, lockBoostValue),
+			"maintenance_work_mem", fmt.Sprintf("%s → 2GB", originalSettings.MaintenanceWorkMem))
+		// Ensure we reset settings when done (even on failure)
 		defer func() {
-			if resetErr := e.resetLockCapacity(ctx, originalLockValue); resetErr != nil {
-				e.log.Warn("Could not reset lock capacity", "error", resetErr)
+			if resetErr := e.resetPostgreSQLSettings(ctx, originalSettings); resetErr != nil {
+				e.log.Warn("Could not reset PostgreSQL settings", "error", resetErr)
 			} else {
-				e.log.Info("Reset max_locks_per_transaction to original value", "value", originalLockValue)
+				e.log.Info("Reset PostgreSQL settings to original values")
 			}
 		}()
 	}
@@ -1730,3 +1742,84 @@ func (e *Engine) resetLockCapacity(ctx context.Context, originalValue int) error

 	return nil
 }
+
+// OriginalSettings stores PostgreSQL settings to restore after operation
+type OriginalSettings struct {
+	MaxLocks           int
+	MaintenanceWorkMem string
+}
+
+// boostPostgreSQLSettings boosts multiple PostgreSQL settings for large restores
+func (e *Engine) boostPostgreSQLSettings(ctx context.Context, lockBoostValue int) (*OriginalSettings, error) {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	original := &OriginalSettings{}
+
+	// Get current max_locks_per_transaction
+	var maxLocksStr string
+	if err := db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&maxLocksStr); err == nil {
+		original.MaxLocks, _ = strconv.Atoi(maxLocksStr)
+	}
+
+	// Get current maintenance_work_mem
+	db.QueryRowContext(ctx, "SHOW maintenance_work_mem").Scan(&original.MaintenanceWorkMem)
+
+	// Boost max_locks_per_transaction (if not already high enough)
+	if original.MaxLocks < lockBoostValue {
+		_, err = db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET max_locks_per_transaction = %d", lockBoostValue))
+		if err != nil {
+			e.log.Warn("Could not boost max_locks_per_transaction", "error", err)
+		}
+	}
+
+	// Boost maintenance_work_mem to 2GB for faster index creation
+	_, err = db.ExecContext(ctx, "ALTER SYSTEM SET maintenance_work_mem = '2GB'")
+	if err != nil {
+		e.log.Warn("Could not boost maintenance_work_mem", "error", err)
+	}
+
+	// Reload config to apply changes (no restart needed for these settings)
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return original, fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return original, nil
+}
+
+// resetPostgreSQLSettings restores original PostgreSQL settings
+func (e *Engine) resetPostgreSQLSettings(ctx context.Context, original *OriginalSettings) error {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		return fmt.Errorf("failed to connect: %w", err)
+	}
+	defer db.Close()
+
+	// Reset max_locks_per_transaction
+	if original.MaxLocks == 64 { // Default
+		db.ExecContext(ctx, "ALTER SYSTEM RESET max_locks_per_transaction")
+	} else if original.MaxLocks > 0 {
+		db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET max_locks_per_transaction = %d", original.MaxLocks))
+	}
+
+	// Reset maintenance_work_mem
+	if original.MaintenanceWorkMem == "64MB" { // Default
+		db.ExecContext(ctx, "ALTER SYSTEM RESET maintenance_work_mem")
+	} else if original.MaintenanceWorkMem != "" {
+		db.ExecContext(ctx, fmt.Sprintf("ALTER SYSTEM SET maintenance_work_mem = '%s'", original.MaintenanceWorkMem))
+	}
+
+	// Reload config
+	_, err = db.ExecContext(ctx, "SELECT pg_reload_conf()")
+	if err != nil {
+		return fmt.Errorf("failed to reload config: %w", err)
+	}
+
+	return nil
+}
--- a/internal/restore/preflight.go
+++ b/internal/restore/preflight.go
@@ -0,0 +1,429 @@
+package restore
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/dustin/go-humanize"
+	"github.com/shirou/gopsutil/v3/mem"
+)
+
+// PreflightResult contains all preflight check results
+type PreflightResult struct {
+	// Linux system checks
+	Linux LinuxChecks
+
+	// PostgreSQL checks
+	PostgreSQL PostgreSQLChecks
+
+	// Archive analysis
+	Archive ArchiveChecks
+
+	// Overall status
+	CanProceed bool
+	Warnings   []string
+	Errors     []string
+}
+
+// LinuxChecks contains Linux kernel/system checks
+type LinuxChecks struct {
+	ShmMax         int64  // /proc/sys/kernel/shmmax
+	ShmAll         int64  // /proc/sys/kernel/shmall
+	MemTotal       uint64 // Total RAM in bytes
+	MemAvailable   uint64 // Available RAM in bytes
+	MemUsedPercent float64 // Memory usage percentage
+	ShmMaxOK       bool   // Is shmmax sufficient?
+	ShmAllOK       bool   // Is shmall sufficient?
+	MemAvailableOK bool   // Is available RAM sufficient?
+	IsLinux        bool   // Are we running on Linux?
+}
+
+// PostgreSQLChecks contains PostgreSQL configuration checks
+type PostgreSQLChecks struct {
+	MaxLocksPerTransaction int    // Current setting
+	MaintenanceWorkMem     string // Current setting
+	SharedBuffers          string // Current setting (info only)
+	MaxConnections         int    // Current setting
+	Version                string // PostgreSQL version
+	IsSuperuser            bool   // Can we modify settings?
+}
+
+// ArchiveChecks contains analysis of the backup archive
+type ArchiveChecks struct {
+	TotalDatabases       int
+	TotalBlobCount       int            // Estimated total BLOBs across all databases
+	BlobsByDB            map[string]int // BLOBs per database
+	HasLargeBlobs        bool           // Any DB with >1000 BLOBs?
+	RecommendedLockBoost int            // Calculated lock boost value
+}
+
+// RunPreflightChecks performs all preflight checks before a cluster restore
+func (e *Engine) RunPreflightChecks(ctx context.Context, dumpsDir string, entries []os.DirEntry) (*PreflightResult, error) {
+	result := &PreflightResult{
+		CanProceed: true,
+		Archive: ArchiveChecks{
+			BlobsByDB: make(map[string]int),
+		},
+	}
+
+	e.progress.Update("[PREFLIGHT] Running system checks...")
+	e.log.Info("Starting preflight checks for cluster restore")
+
+	// 1. System checks (cross-platform via gopsutil)
+	e.checkSystemResources(result)
+
+	// 2. PostgreSQL checks (via existing connection)
+	e.checkPostgreSQL(ctx, result)
+
+	// 3. Archive analysis (count BLOBs to scale lock boost)
+	e.analyzeArchive(ctx, dumpsDir, entries, result)
+
+	// 4. Calculate recommended settings
+	e.calculateRecommendations(result)
+
+	// 5. Print summary
+	e.printPreflightSummary(result)
+
+	return result, nil
+}
+
+// checkSystemResources uses gopsutil for cross-platform system checks
+func (e *Engine) checkSystemResources(result *PreflightResult) {
+	result.Linux.IsLinux = runtime.GOOS == "linux"
+
+	// Get memory info (works on Linux, macOS, Windows, BSD)
+	if vmem, err := mem.VirtualMemory(); err == nil {
+		result.Linux.MemTotal = vmem.Total
+		result.Linux.MemAvailable = vmem.Available
+		result.Linux.MemUsedPercent = vmem.UsedPercent
+
+		// 4GB minimum available for large restores
+		result.Linux.MemAvailableOK = vmem.Available >= 4*1024*1024*1024
+
+		e.log.Info("System memory detected",
+			"total", humanize.Bytes(vmem.Total),
+			"available", humanize.Bytes(vmem.Available),
+			"used_percent", fmt.Sprintf("%.1f%%", vmem.UsedPercent))
+	} else {
+		e.log.Warn("Could not detect system memory", "error", err)
+	}
+
+	// Linux-specific kernel checks (shmmax, shmall)
+	if result.Linux.IsLinux {
+		e.checkLinuxKernel(result)
+	}
+
+	// Add warnings for insufficient resources
+	if !result.Linux.MemAvailableOK && result.Linux.MemAvailable > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Available RAM is low: %s (recommend 4GB+ for large restores)",
+				humanize.Bytes(result.Linux.MemAvailable)))
+	}
+	if result.Linux.MemUsedPercent > 85 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("High memory usage: %.1f%% - restore may cause OOM", result.Linux.MemUsedPercent))
+	}
+}
+
+// checkLinuxKernel reads Linux-specific kernel limits from /proc
+func (e *Engine) checkLinuxKernel(result *PreflightResult) {
+	// Read shmmax
+	if data, err := os.ReadFile("/proc/sys/kernel/shmmax"); err == nil {
+		val, _ := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
+		result.Linux.ShmMax = val
+		// 8GB minimum for large restores
+		result.Linux.ShmMaxOK = val >= 8*1024*1024*1024
+	}
+
+	// Read shmall (in pages, typically 4KB each)
+	if data, err := os.ReadFile("/proc/sys/kernel/shmall"); err == nil {
+		val, _ := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
+		result.Linux.ShmAll = val
+		// 2M pages = 8GB minimum
+		result.Linux.ShmAllOK = val >= 2*1024*1024
+	}
+
+	// Add kernel warnings
+	if !result.Linux.ShmMaxOK && result.Linux.ShmMax > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Linux shmmax is low: %s (recommend 8GB+). Fix: sudo sysctl -w kernel.shmmax=17179869184",
+				humanize.Bytes(uint64(result.Linux.ShmMax))))
+	}
+	if !result.Linux.ShmAllOK && result.Linux.ShmAll > 0 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("Linux shmall is low: %s pages (recommend 2M+). Fix: sudo sysctl -w kernel.shmall=4194304",
+				humanize.Comma(result.Linux.ShmAll)))
+	}
+}
+
+// checkPostgreSQL checks PostgreSQL configuration via SQL
+func (e *Engine) checkPostgreSQL(ctx context.Context, result *PreflightResult) {
+	connStr := e.buildConnString()
+	db, err := sql.Open("pgx", connStr)
+	if err != nil {
+		e.log.Warn("Could not connect to PostgreSQL for preflight checks", "error", err)
+		return
+	}
+	defer db.Close()
+
+	// Check max_locks_per_transaction
+	var maxLocks string
+	if err := db.QueryRowContext(ctx, "SHOW max_locks_per_transaction").Scan(&maxLocks); err == nil {
+		result.PostgreSQL.MaxLocksPerTransaction, _ = strconv.Atoi(maxLocks)
+	}
+
+	// Check maintenance_work_mem
+	db.QueryRowContext(ctx, "SHOW maintenance_work_mem").Scan(&result.PostgreSQL.MaintenanceWorkMem)
+
+	// Check shared_buffers (info only, can't change without restart)
+	db.QueryRowContext(ctx, "SHOW shared_buffers").Scan(&result.PostgreSQL.SharedBuffers)
+
+	// Check max_connections
+	var maxConn string
+	if err := db.QueryRowContext(ctx, "SHOW max_connections").Scan(&maxConn); err == nil {
+		result.PostgreSQL.MaxConnections, _ = strconv.Atoi(maxConn)
+	}
+
+	// Check version
+	db.QueryRowContext(ctx, "SHOW server_version").Scan(&result.PostgreSQL.Version)
+
+	// Check if superuser
+	var isSuperuser bool
+	if err := db.QueryRowContext(ctx, "SELECT current_setting('is_superuser') = 'on'").Scan(&isSuperuser); err == nil {
+		result.PostgreSQL.IsSuperuser = isSuperuser
+	}
+
+	// Add info/warnings
+	if result.PostgreSQL.MaxLocksPerTransaction < 256 {
+		e.log.Info("PostgreSQL max_locks_per_transaction is low - will auto-boost",
+			"current", result.PostgreSQL.MaxLocksPerTransaction)
+	}
+
+	// Parse shared_buffers and warn if very low
+	sharedBuffersMB := parseMemoryToMB(result.PostgreSQL.SharedBuffers)
+	if sharedBuffersMB > 0 && sharedBuffersMB < 256 {
+		result.Warnings = append(result.Warnings,
+			fmt.Sprintf("PostgreSQL shared_buffers is low: %s (recommend 1GB+, requires restart)",
+				result.PostgreSQL.SharedBuffers))
+	}
+}
+
+// analyzeArchive counts BLOBs in dump files to calculate optimal lock boost
+func (e *Engine) analyzeArchive(ctx context.Context, dumpsDir string, entries []os.DirEntry, result *PreflightResult) {
+	e.progress.Update("[PREFLIGHT] Analyzing archive for large objects...")
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+
+		result.Archive.TotalDatabases++
+		dumpFile := filepath.Join(dumpsDir, entry.Name())
+		dbName := strings.TrimSuffix(entry.Name(), ".dump")
+		dbName = strings.TrimSuffix(dbName, ".sql.gz")
+
+		// For custom format dumps, use pg_restore -l to count BLOBs
+		if strings.HasSuffix(entry.Name(), ".dump") {
+			blobCount := e.countBlobsInDump(ctx, dumpFile)
+			if blobCount > 0 {
+				result.Archive.BlobsByDB[dbName] = blobCount
+				result.Archive.TotalBlobCount += blobCount
+				if blobCount > 1000 {
+					result.Archive.HasLargeBlobs = true
+				}
+			}
+		}
+
+		// For SQL format, try to estimate from file content (sample check)
+		if strings.HasSuffix(entry.Name(), ".sql.gz") {
+			// Check for lo_create patterns in compressed SQL
+			blobCount := e.estimateBlobsInSQL(dumpFile)
+			if blobCount > 0 {
+				result.Archive.BlobsByDB[dbName] = blobCount
+				result.Archive.TotalBlobCount += blobCount
+				if blobCount > 1000 {
+					result.Archive.HasLargeBlobs = true
+				}
+			}
+		}
+	}
+}
+
+// countBlobsInDump uses pg_restore -l to count BLOB entries
+func (e *Engine) countBlobsInDump(ctx context.Context, dumpFile string) int {
+	ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, "pg_restore", "-l", dumpFile)
+	output, err := cmd.Output()
+	if err != nil {
+		return 0
+	}
+
+	// Count lines containing BLOB/LARGE OBJECT
+	count := 0
+	for _, line := range strings.Split(string(output), "\n") {
+		if strings.Contains(line, "BLOB") || strings.Contains(line, "LARGE OBJECT") {
+			count++
+		}
+	}
+	return count
+}
+
+// estimateBlobsInSQL samples compressed SQL for lo_create patterns
+func (e *Engine) estimateBlobsInSQL(sqlFile string) int {
+	// Use zgrep for efficient searching in gzipped files
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	// Count lo_create calls (each = one large object)
+	cmd := exec.CommandContext(ctx, "zgrep", "-c", "lo_create", sqlFile)
+	output, err := cmd.Output()
+	if err != nil {
+		// Also try SELECT lo_create pattern
+		cmd2 := exec.CommandContext(ctx, "zgrep", "-c", "SELECT.*lo_create", sqlFile)
+		output, err = cmd2.Output()
+		if err != nil {
+			return 0
+		}
+	}
+
+	count, _ := strconv.Atoi(strings.TrimSpace(string(output)))
+	return count
+}
+
+// calculateRecommendations determines optimal settings based on analysis
+func (e *Engine) calculateRecommendations(result *PreflightResult) {
+	// Base lock boost
+	lockBoost := 2048
+
+	// Scale up based on BLOB count
+	if result.Archive.TotalBlobCount > 5000 {
+		lockBoost = 4096
+	}
+	if result.Archive.TotalBlobCount > 10000 {
+		lockBoost = 8192
+	}
+	if result.Archive.TotalBlobCount > 50000 {
+		lockBoost = 16384
+	}
+
+	// Cap at reasonable maximum
+	if lockBoost > 16384 {
+		lockBoost = 16384
+	}
+
+	result.Archive.RecommendedLockBoost = lockBoost
+
+	// Log recommendation
+	e.log.Info("Calculated recommended lock boost",
+		"total_blobs", result.Archive.TotalBlobCount,
+		"recommended_locks", lockBoost)
+}
+
+// printPreflightSummary prints a nice summary of all checks
+func (e *Engine) printPreflightSummary(result *PreflightResult) {
+	fmt.Println()
+	fmt.Println(strings.Repeat("─", 60))
+	fmt.Println("                    PREFLIGHT CHECKS")
+	fmt.Println(strings.Repeat("─", 60))
+
+	// System checks (cross-platform)
+	fmt.Println("\n  System Resources:")
+	printCheck("Total RAM", humanize.Bytes(result.Linux.MemTotal), true)
+	printCheck("Available RAM", humanize.Bytes(result.Linux.MemAvailable), result.Linux.MemAvailableOK || result.Linux.MemAvailable == 0)
+	printCheck("Memory Usage", fmt.Sprintf("%.1f%%", result.Linux.MemUsedPercent), result.Linux.MemUsedPercent < 85)
+
+	// Linux-specific kernel checks
+	if result.Linux.IsLinux && result.Linux.ShmMax > 0 {
+		fmt.Println("\n  Linux Kernel:")
+		printCheck("shmmax", humanize.Bytes(uint64(result.Linux.ShmMax)), result.Linux.ShmMaxOK)
+		printCheck("shmall", humanize.Comma(result.Linux.ShmAll)+" pages", result.Linux.ShmAllOK)
+	}
+
+	// PostgreSQL checks
+	fmt.Println("\n  PostgreSQL:")
+	printCheck("Version", result.PostgreSQL.Version, true)
+	printCheck("max_locks_per_transaction", fmt.Sprintf("%s → %s (auto-boost)",
+		humanize.Comma(int64(result.PostgreSQL.MaxLocksPerTransaction)),
+		humanize.Comma(int64(result.Archive.RecommendedLockBoost))),
+		true)
+	printCheck("maintenance_work_mem", fmt.Sprintf("%s → 2GB (auto-boost)",
+		result.PostgreSQL.MaintenanceWorkMem), true)
+	printInfo("shared_buffers", result.PostgreSQL.SharedBuffers)
+	printCheck("Superuser", fmt.Sprintf("%v", result.PostgreSQL.IsSuperuser), result.PostgreSQL.IsSuperuser)
+
+	// Archive analysis
+	fmt.Println("\n  Archive Analysis:")
+	printInfo("Total databases", humanize.Comma(int64(result.Archive.TotalDatabases)))
+	printInfo("Total BLOBs detected", humanize.Comma(int64(result.Archive.TotalBlobCount)))
+	if len(result.Archive.BlobsByDB) > 0 {
+		fmt.Println("    Databases with BLOBs:")
+		for db, count := range result.Archive.BlobsByDB {
+			status := "✓"
+			if count > 1000 {
+				status := "⚠"
+				_ = status
+			}
+			fmt.Printf("      %s %s: %s BLOBs\n", status, db, humanize.Comma(int64(count)))
+		}
+	}
+
+	// Warnings
+	if len(result.Warnings) > 0 {
+		fmt.Println("\n  ⚠ Warnings:")
+		for _, w := range result.Warnings {
+			fmt.Printf("    • %s\n", w)
+		}
+	}
+
+	fmt.Println(strings.Repeat("─", 60))
+	fmt.Println()
+}
+
+func printCheck(name, value string, ok bool) {
+	status := "✓"
+	if !ok {
+		status = "⚠"
+	}
+	fmt.Printf("    %s %s: %s\n", status, name, value)
+}
+
+func printInfo(name, value string) {
+	fmt.Printf("    ℹ %s: %s\n", name, value)
+}
+
+func parseMemoryToMB(memStr string) int {
+	memStr = strings.ToUpper(strings.TrimSpace(memStr))
+	var value int
+	var unit string
+	fmt.Sscanf(memStr, "%d%s", &value, &unit)
+
+	switch {
+	case strings.HasPrefix(unit, "G"):
+		return value * 1024
+	case strings.HasPrefix(unit, "M"):
+		return value
+	case strings.HasPrefix(unit, "K"):
+		return value / 1024
+	default:
+		return value / (1024 * 1024) // Assume bytes
+	}
+}
+
+func (e *Engine) buildConnString() string {
+	if e.cfg.Host == "localhost" || e.cfg.Host == "" {
+		return fmt.Sprintf("user=%s password=%s dbname=postgres sslmode=disable",
+			e.cfg.User, e.cfg.Password)
+	}
+	return fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=postgres sslmode=disable",
+		e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.Password)
+}
Author	SHA1	Message	Date
Alexander Renz	c0d92b3a81	fix: update go.sum for gopsutil Windows dependencies All checks were successful CI/CD / Test (push) Successful in 1m15s Details CI/CD / Lint (push) Successful in 1m25s Details CI/CD / Build & Release (push) Successful in 3m13s Details	2026-01-14 15:50:13 +01:00
Alexander Renz	8c85d85249	refactor: use gopsutil and go-humanize for preflight checks Some checks failed CI/CD / Build & Release (push) Has been cancelled Details CI/CD / Lint (push) Has been cancelled Details CI/CD / Test (push) Has been cancelled Details - Added gopsutil/v3 for cross-platform system metrics * Works on Linux, macOS, Windows, BSD * Memory detection no longer requires /proc parsing - Added go-humanize for readable output * humanize.Bytes() for memory sizes * humanize.Comma() for large numbers - Improved preflight display with memory usage percentage - Linux kernel checks (shmmax/shmall) still use /proc for accuracy	2026-01-14 15:47:31 +01:00
Alexander Renz	e0cdcb28be	feat: comprehensive preflight checks for cluster restore All checks were successful CI/CD / Test (push) Successful in 1m17s Details CI/CD / Lint (push) Successful in 1m26s Details CI/CD / Build & Release (push) Successful in 3m17s Details - Linux system checks (read-only from /proc, no auth needed): * shmmax, shmall kernel limits * Available RAM check - PostgreSQL auto-tuning: * max_locks_per_transaction scaled by BLOB count * maintenance_work_mem boosted to 2GB for faster indexes * All settings auto-reset after restore (even on failure) - Archive analysis: * Count BLOBs per database (pg_restore -l or zgrep) * Scale lock boost: 2048 (default) → 4096/8192/16384 based on count - Nice TUI preflight summary display with ✓/⚠ indicators	2026-01-14 15:30:41 +01:00