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new 8449d47c2 [docs] Add Metrics Updates to the Upgrade Notes v0.8 (#1698)
8449d47c2 is described below
commit 8449d47c23b65fe4e603432b5008725dedc14781
Author: yunhong <[email protected]>
AuthorDate: Tue Sep 16 18:03:17 2025 +0800
[docs] Add Metrics Updates to the Upgrade Notes v0.8 (#1698)
---
.../maintenance/operations/upgrade-notes-0.8.md | 27 +++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/website/docs/maintenance/operations/upgrade-notes-0.8.md
b/website/docs/maintenance/operations/upgrade-notes-0.8.md
index 3361e6516..12c0802e2 100644
--- a/website/docs/maintenance/operations/upgrade-notes-0.8.md
+++ b/website/docs/maintenance/operations/upgrade-notes-0.8.md
@@ -27,6 +27,27 @@ Please also upgrade your Flink deployment to **Java 11 or
above**. All Flink ver
We have updated the report level for some metrics and also removed some
metrics, this greatly reduces the metrics amount and improves the performance.
-The following metrics are removed: TODO
-
-The following metrics are changed: TODO
\ No newline at end of file
+The following metrics are removed:
+
+- `fluss_tabletserver_table_bucket_inSyncReplicasCount` - Removed as
redundant. Use `fluss_tabletserver_underReplicated` instead
+- `fluss_tabletserver_table_bucket_log_size` - Removed as improvement. Use
`fluss_tabletserver_table_bucket_logicalStorage_logSize` instead
+- `fluss_tabletserver_table_bucket_kv_snapshot_latestSnapshotSize` - Removed
as improvement. Use `fluss_tabletserver_table_bucket_logicalStorage_kvSize`
instead
+
+The following metrics are changed:
+
+- The reporting level has been shifted from the `tableBucket` level to the
`tabletserver` level:
+ - `fluss_tabletserver_table_bucket_underMinIsr` to
`fluss_tabletserver_underMinIsr`
+ - `fluss_tabletserver_table_bucket_underReplicated` to
`fluss_tabletserver_underReplicated`
+ - `fluss_tabletserver_table_bucket_atMinIsr` to `fluss_tabletserver_atMinIsr`
+ - `fluss_tabletserver_table_bucket_isrExpandsPerSecond` to
`fluss_tabletserver_isrExpandsPerSecond`
+ - `fluss_tabletserver_table_bucket_isrShrinksPerSecond` to
`fluss_tabletserver_isrShrinksPerSecond`
+ - `fluss_tabletserver_table_bucket_failedIsrUpdatesPerSecond` to
`fluss_tabletserver_failedIsrUpdatesPerSecond`
+ - `fluss_tabletserver_table_bucket_log_flushPerSecond` to
`fluss_tabletserver_logFlushPerSecond`
+ - `fluss_tabletserver_table_bucket_log_flushLatencyMs` to
`fluss_tabletserver_logFlushLatencyMs`
+ - `fluss_tabletserver_table_bucket_kv_preWriteBufferFlushPerSecond` to
`fluss_tabletserver_kvFlushPerSecond`
+ - `fluss_tabletserver_table_bucket_kv_preWriteBufferFlushLatencyMs` to
`fluss_tabletserver_kvFlushLatencyMs`
+ -
`fluss_tabletserver_table_bucket_kv_preWriteBufferTruncateAsDuplicatedPerSecond`
to `fluss_tabletserver_preWriteBufferTruncateAsDuplicatedPerSecond`
+ -
`fluss_tabletserver_table_bucket_kv_preWriteBufferTruncateAsErrorPerSecond` to
`fluss_tabletserver_preWriteBufferTruncateAsErrorPerSecond`
+- Correction addresses reporting errors in metric names by changing the
`table` level metric prefix from `fluss_tabletserver_table__` (used a double
underscore (__)) to `fluss_tabletserver_table_`.
+ - The affected metrics are all metrics with [Scope: tableserver, infix:
table](docs/maintenance/observability/monitor-metrics.md#tablebucket)
+ - For example, change `fluss_tabletserver_table__messagesInPerSecond` to
`fluss_tabletserver_table_messagesInPerSecond`.
\ No newline at end of file
