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fix: off by 1 error in parallel work archive

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Fix an error in which the amount of workers archived in parallel was
the wal the archive command was called on + the maxParallel, actually
using one worker more than requested.

Signed-off-by: Francesco Canovai <francesco.canovai@enterprisedb.com>
This commit is contained in:
Francesco Canovai 2025-04-17 14:14:16 +02:00 committed by Armando Ruocco
parent 600c721549
commit 8867eab905
1 changed files with 5 additions and 3 deletions
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8
internal/cnpgi/common/wal.go
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@ -146,7 +146,7 @@ func (w WALServiceImplementation) Archive(
} }
} }
if isDeletedFromSpool { if isDeletedFromSpool {
contextLogger.Info("Archived WAL file (parallel)", contextLogger.Info("WAL file already archived, skipping",
"walName", baseWalName) "walName", baseWalName)
return nil, nil return nil, nil
} }
@ -158,14 +158,15 @@ func (w WALServiceImplementation) Archive(
} }
maxParallel := 1 maxParallel := 1
if objectStore.Spec.Configuration.Wal != nil { if objectStore.Spec.Configuration.Wal != nil && objectStore.Spec.Configuration.Wal.MaxParallel > 0 {
maxParallel = objectStore.Spec.Configuration.Wal.MaxParallel maxParallel = objectStore.Spec.Configuration.Wal.MaxParallel
} }
maxResults := maxParallel - 1
walFilesList := walUtils.GatherReadyWALFiles( walFilesList := walUtils.GatherReadyWALFiles(
ctx, ctx,
walUtils.GatherReadyWALFilesConfig{ walUtils.GatherReadyWALFilesConfig{
MaxResults: maxParallel, MaxResults: maxResults,
SkipWALs: []string{baseWalName}, SkipWALs: []string{baseWalName},
PgDataPath: w.PGDataPath, PgDataPath: w.PGDataPath,
}, },
@ -174,6 +175,7 @@ func (w WALServiceImplementation) Archive(
// Ensure the requested WAL file is always the first one being // Ensure the requested WAL file is always the first one being
// archived // archived
walFilesList.Ready = append([]string{request.GetSourceFileName()}, walFilesList.Ready...) walFilesList.Ready = append([]string{request.GetSourceFileName()}, walFilesList.Ready...)
contextLogger.Debug("WAL files to archive: %v", "walFilesListReady", walFilesList.Ready)
result := arch.ArchiveList(ctx, walFilesList.ReadyItemsToSlice(), options) result := arch.ArchiveList(ctx, walFilesList.ReadyItemsToSlice(), options)
for _, archiverResult := range result { for _, archiverResult := range result {