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Correction of misleading help text(#5142) (#7231)

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* Correction of misleading help text(#5142)

Signed-off-by: arthursens <arthursens2005@gmail.com>
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Arthur Silva Sens 2020-05-11 08:15:01 -03:00 committed by GitHub
parent 5368066b58
commit 7727b9012e
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2 changed files with 2 additions and 2 deletions
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2
cmd/prometheus/main.go
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@ -204,7 +204,7 @@ func main() {
a.Flag("storage.tsdb.retention.time", "How long to retain samples in storage. When this flag is set it overrides \"storage.tsdb.retention\". If neither this flag nor \"storage.tsdb.retention\" nor \"storage.tsdb.retention.size\" is set, the retention time defaults to "+defaultRetentionString+". Units Supported: y, w, d, h, m, s, ms.").
SetValue(&newFlagRetentionDuration)
a.Flag("storage.tsdb.retention.size", "[EXPERIMENTAL] Maximum number of bytes that can be stored for blocks. Units supported: KB, MB, GB, TB, PB. This flag is experimental and can be changed in future releases.").
a.Flag("storage.tsdb.retention.size", "[EXPERIMENTAL] Maximum number of bytes that can be stored for blocks. A unit is required, supported units: B, KB, MB, GB, TB, PB, EB. Ex: \"512MB\". This flag is experimental and can be changed in future releases.").
BytesVar(&cfg.tsdb.MaxBytes)
a.Flag("storage.tsdb.no-lockfile", "Do not create lockfile in data directory.").

2
docs/storage.md
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@ -61,7 +61,7 @@ Prometheus has several flags that allow configuring the local storage. The most
* `--storage.tsdb.path`: This determines where Prometheus writes its database. Defaults to `data/`.
* `--storage.tsdb.retention.time`: This determines when to remove old data. Defaults to `15d`. Overrides `storage.tsdb.retention` if this flag is set to anything other than default.
* `--storage.tsdb.retention.size`: [EXPERIMENTAL] This determines the maximum number of bytes that storage blocks can use (note that this does not include the WAL size, which can be substantial). The oldest data will be removed first. Defaults to `0` or disabled. This flag is experimental and can be changed in future releases. Units supported: KB, MB, GB, PB. Ex: "512MB"
* `--storage.tsdb.retention.size`: [EXPERIMENTAL] This determines the maximum number of bytes that storage blocks can use (note that this does not include the WAL size, which can be substantial). The oldest data will be removed first. Defaults to `0` or disabled. This flag is experimental and can be changed in future releases. Units supported: B, KB, MB, GB, TB, PB, EB. Ex: "512MB"
* `--storage.tsdb.retention`: This flag has been deprecated in favour of `storage.tsdb.retention.time`.
* `--storage.tsdb.wal-compression`: This flag enables compression of the write-ahead log (WAL). Depending on your data, you can expect the WAL size to be halved with little extra cpu load. Note that if you enable this flag and subsequently downgrade Prometheus to a version below 2.11.0 you will need to delete your WAL as it will be unreadable.