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Merge pull request #9307 from yudai/gap_db_size

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*: allow dbSizeInUse not to equal to dbSize when growing
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Gyuho Lee
2018-02-12 09:46:13 -08:00
committed by GitHub
parent a3d0c2e60d 571e9a9e79
commit 7d8b0ba62d
2 changed files with 6 additions and 4 deletions
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Documentation/op-guide/maintenance.md
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@@ -104,7 +104,7 @@ $ ETCDCTL_API=3 etcdctl put newkey 123
OK
```
The metric `etcd_debugging_mvcc_db_total_size_in_use_in_bytes` indicates the actual database usage after a history compaction, while `etcd_debugging_mvcc_db_total_size_in_bytes` shows the database size including free space waiting for defragmentation. The latter increases only when the former equals to it, meaning when both of these metrics are close to the quota, a history compaction is required to avoid triggering the space quota.
The metric `etcd_debugging_mvcc_db_total_size_in_use_in_bytes` indicates the actual database usage after a history compaction, while `etcd_debugging_mvcc_db_total_size_in_bytes` shows the database size including free space waiting for defragmentation. The latter increases only when the former is close to it, meaning when both of these metrics are close to the quota, a history compaction is required to avoid triggering the space quota.
## Snapshot backup