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app/vmstorage: rename vm_{big|small}_merge_need_free_disk_space to vm_merge_need_free_disk_space

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This simplifies alerting.
This commit is contained in:
Aliaksandr Valialkin 2020-09-29 22:44:16 +03:00
parent 097a4c10dd
commit 536aa8779a
2 changed files with 3 additions and 2 deletions
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4
app/vmstorage/main.go
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@ -325,10 +325,10 @@ func registerStorageMetrics(strg *storage.Storage) {
})
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686
metrics.NewGauge(`vm_small_merge_need_free_disk_space`, func() float64 {
metrics.NewGauge(`vm_merge_need_free_disk_space{type="storage/small"}`, func() float64 {
return float64(tm().SmallMergeNeedFreeDiskSpace)
})
metrics.NewGauge(`vm_big_merge_need_free_disk_space`, func() float64 {
metrics.NewGauge(`vm_merge_need_free_disk_space{type="storage/big"}`, func() float64 {
return float64(tm().BigMergeNeedFreeDiskSpace)
})

1
docs/Single-server-VictoriaMetrics.md
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@ -1175,6 +1175,7 @@ VictoriaMetrics also exposes currently running queries with their execution time
has at least 20% of free space comparing to disk size. The remaining amount of free space
can be [monitored](#monitoring) via `vm_free_disk_space_bytes` metric. The total size of data
stored on the disk can be monitored via sum of `vm_data_size_bytes` metrics.
See also `vm_merge_need_free_disk_space` metrics, which are set to 1 if background merge cannot be initiated due to free disk space shortage.
* If VictoriaMetrics doesn't work because of certain parts are corrupted due to disk errors,
then just remove directories with broken parts. This will recover VictoriaMetrics at the cost