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endpoint: environment variable for disabling cleanup of stale step holds on HintMostRecentCommonAncestor

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This commit is contained in:
Christian Schwarz
2020-03-30 11:36:20 +02:00
parent 4ecbb32044
commit 8c27e57edf
1 changed files with 8 additions and 2 deletions
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endpoint/endpoint.go
+8 -2
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@@ -149,13 +149,19 @@ func (p *Sender) HintMostRecentCommonAncestor(ctx context.Context, r *pdu.HintMo
} }
// cleanup previous steps // cleanup previous steps
if err := ReleaseStepCummulativeInclusive(ctx, fs, mostRecentVersion, p.jobId); err != nil { if !hintMostRecentCommonAncestorDoNotCleanupStepHolds {
return nil, errors.Wrap(err, "cannot cleanup prior invocation's step holds and bookmarks") if err := ReleaseStepCummulativeInclusive(ctx, fs, mostRecentVersion, p.jobId); err != nil {
return nil, errors.Wrap(err, "cannot cleanup prior invocation's step holds and bookmarks")
}
} else {
log.Info("skipping cleanup of prior invocations' step holds due to environment variable setting")
} }
return &pdu.HintMostRecentCommonAncestorRes{}, nil return &pdu.HintMostRecentCommonAncestorRes{}, nil
} }
var hintMostRecentCommonAncestorDoNotCleanupStepHolds = envconst.Bool("ZREPL_ENDPOINT_HINT_MOST_RECENT_DO_NOT_CLEANUP_STEPH_HOLDS", false)
var maxConcurrentZFSSendSemaphore = semaphore.New(envconst.Int64("ZREPL_ENDPOINT_MAX_CONCURRENT_SEND", 10)) var maxConcurrentZFSSendSemaphore = semaphore.New(envconst.Int64("ZREPL_ENDPOINT_MAX_CONCURRENT_SEND", 10))
func uncheckedSendArgsFromPDU(fsv *pdu.FilesystemVersion) *zfs.ZFSSendArgVersion { func uncheckedSendArgsFromPDU(fsv *pdu.FilesystemVersion) *zfs.ZFSSendArgVersion {