From 009d05ae4fc6ff8d32c5fee4b03d3e5b78df3de3 Mon Sep 17 00:00:00 2001 From: Gyuho Lee Date: Thu, 7 Jun 2018 10:26:45 -0700 Subject: [PATCH] Documentation/op-guide: highlight db size metrics change Signed-off-by: Gyuho Lee --- Documentation/op-guide/maintenance.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/op-guide/maintenance.md b/Documentation/op-guide/maintenance.md index 294d8c7d6..7e85a11cf 100644 --- a/Documentation/op-guide/maintenance.md +++ b/Documentation/op-guide/maintenance.md @@ -149,7 +149,9 @@ $ 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 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. +The metric `etcd_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. + +`etcd_debugging_mvcc_db_total_size_in_bytes` is renamed to `etcd_mvcc_db_total_size_in_bytes` from v3.4. ## Snapshot backup