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vmctl: rename vm-native-disable-retries to vm-native-disable-per-metric-migration (#5476)
The change supposed to better reflect the meaning of this flag. Signed-off-by: hagen1778 <roman@victoriametrics.com>
This commit is contained in:
Roman Khavronenko
GitHub
parent
664fa5cb78
commit
779bbc2e91
5 changed files with 29 additions and 24 deletions
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@ -328,7 +328,7 @@ const (
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vmNativeDisableBinaryProtocol = "vm-native-disable-binary-protocol"
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vmNativeDisableHTTPKeepAlive = "vm-native-disable-http-keep-alive"
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vmNativeDisableRetries = "vm-native-disable-retries"
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vmNativeDisablePerMetricMigration = "vm-native-disable-per-metric-migration"
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vmNativeSrcAddr = "vm-native-src-addr"
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vmNativeSrcUser = "vm-native-src-user"
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@ -454,8 +454,8 @@ var (
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Value: 2,
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},
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&cli.BoolFlag{
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Name: vmNativeDisableRetries,
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Usage: "Defines whether to disable retries with backoff policy for migration process",
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Name: vmNativeDisablePerMetricMigration,
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Usage: "Defines whether to disable per-metric migration and migrate all data via one connection. In this mode, vmctl makes less export/import requests, but can't provide a progress bar or retry failed requests.",
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Value: false,
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},
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&cli.BoolFlag{
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@ -256,7 +256,7 @@ func main() {
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},
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backoff: backoff.New(),
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cc: c.Int(vmConcurrency),
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disableRetries: c.Bool(vmNativeDisableRetries),
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disablePerMetricRequests: c.Bool(vmNativeDisablePerMetricMigration),
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isSilent: c.Bool(globalSilent),
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isNative: !c.Bool(vmNativeDisableBinaryProtocol),
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}
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@ -33,9 +33,10 @@ type vmNativeProcessor struct {
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rateLimit int64
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interCluster bool
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cc int
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disableRetries bool
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isSilent bool
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isNative bool
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disablePerMetricRequests bool
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}
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const (
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@ -119,7 +120,7 @@ func (p *vmNativeProcessor) runSingle(ctx context.Context, f native.Filter, srcU
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return fmt.Errorf("failed to init export pipe: %w", err)
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}
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if p.disableRetries && bar != nil {
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if p.disablePerMetricRequests && bar != nil {
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fmt.Printf("Continue import process with filter %s:\n", f.String())
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reader = bar.NewProxyReader(reader)
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}
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@ -189,7 +190,7 @@ func (p *vmNativeProcessor) runBackfilling(ctx context.Context, tenantID string,
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var foundSeriesMsg string
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metrics := []string{p.filter.Match}
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if !p.disableRetries {
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if !p.disablePerMetricRequests {
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log.Printf("Exploring metrics...")
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metrics, err = p.src.Explore(ctx, p.filter, tenantID)
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if err != nil {
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@ -227,7 +228,7 @@ func (p *vmNativeProcessor) runBackfilling(ctx context.Context, tenantID string,
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var bar *pb.ProgressBar
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if !silent {
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bar = barpool.NewSingleProgress(fmt.Sprintf(nativeWithBackoffTpl, barPrefix), len(metrics)*len(ranges))
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if p.disableRetries {
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if p.disablePerMetricRequests {
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bar = barpool.NewSingleProgress(nativeSingleProcessTpl, 0)
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}
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bar.Start()
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@ -243,7 +244,7 @@ func (p *vmNativeProcessor) runBackfilling(ctx context.Context, tenantID string,
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go func() {
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defer wg.Done()
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for f := range filterCh {
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if !p.disableRetries {
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if !p.disablePerMetricRequests {
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if err := p.do(ctx, f, srcURL, dstURL, nil); err != nil {
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errCh <- err
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return
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@ -29,6 +29,7 @@ The sandbox cluster installation is running under the constant load generated by
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## tip
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* FEATURE: [vmauth](https://docs.victoriametrics.com/vmauth.html): add ability to proxy incoming requests to different backends based on the requested host via `src_hosts` option at `url_map`. See [these docs](https://docs.victoriametrics.com/vmauth.html#generic-http-proxy-for-different-backends).
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* FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): rename cmd-line flag `vm-native-disable-retries` to `vm-native-disable-per-metric-migration` to better reflect its meaning.
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* BUGFIX: `vmstorage`: added missing `-inmemoryDataFlushInterval` command-line flag, which was missing in [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html) after implementing [this feature](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3337) in [v1.85.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.85.0).
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@ -821,7 +821,7 @@ Requests to make: 9 / 9 [██████████████████
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```
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_To disable explore phase and switch to the old way of data migration via single connection use
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`--vm-native-disable-retries` cmd-line flag. Please note, in this mode vmctl won't be able to retry failed requests._
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`--vm-native-disable-per-metric-migration` cmd-line flag. Please note, in this mode vmctl won't be able to retry failed requests._
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Importing tips:
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@ -831,14 +831,17 @@ Importing tips:
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[here](https://docs.victoriametrics.com/#how-to-export-data-in-native-format).
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If hitting `the number of matching timeseries exceeds...` error, adjust filters to match less time series or
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update `-search.maxSeries` command-line flag on vmselect/vmsingle;
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1. Using smaller intervals via `--vm-native-step-interval` cmd-line flag can reduce the number of matched series per-request
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for sources with [high churn rate](https://docs.victoriametrics.com/FAQ.html#what-is-high-churn-rate).
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See more about [step interval here](#using-time-based-chunking-of-migration).
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1. Migrating all the metrics from one VM to another may collide with existing application metrics
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(prefixed with `vm_`) at destination and lead to confusion when using
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[official Grafana dashboards](https://grafana.com/orgs/victoriametrics/dashboards).
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To avoid such situation try to filter out VM process metrics via `--vm-native-filter-match='{__name__!~"vm_.*"}'` flag.
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1. Migrating data with overlapping time range or via unstable network can produce duplicates series at destination.
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To avoid duplicates set `-dedup.minScrapeInterval=1ms` for `vmselect`/`vmstorage` at the destination.
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This will instruct `vmselect`/`vmstorage` to ignore duplicates with identical timestamps.
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1. When migrating large volumes of data use `--vm-native-step-interval` flag to split migration [into steps](#using-time-based-chunking-of-migration).
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This will instruct `vmselect`/`vmstorage` to ignore duplicates with identical timestamps. Ignore this recommendation
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if you already have `-dedup.minScrapeInterval` set to 1ms or higher values at destination.
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1. When migrating data from one VM cluster to another, consider using [cluster-to-cluster mode](#cluster-to-cluster-migration-mode).
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Or manually specify addresses according to [URL format](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#url-format):
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```console
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