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new 5598066a0 [doc] Note changelog-producer to compact performance
5598066a0 is described below
commit 5598066a01f80179a6d03b8a30b81a00dc1c4714
Author: Jingsong <[email protected]>
AuthorDate: Tue Jul 2 10:28:36 2024 +0800
[doc] Note changelog-producer to compact performance
---
docs/content/maintenance/manage-snapshots.md | 2 +-
docs/content/primary-key-table/changelog-producer.md | 4 +---
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/docs/content/maintenance/manage-snapshots.md
b/docs/content/maintenance/manage-snapshots.md
index e2ea92c37..a974b0da9 100644
--- a/docs/content/maintenance/manage-snapshots.md
+++ b/docs/content/maintenance/manage-snapshots.md
@@ -216,7 +216,7 @@ Please note that too short retain time or too small retain
number may result in:
- Batch queries cannot find the file. For example, the table is relatively
large and
the batch query takes 10 minutes to read, but the snapshot from 10 minutes
ago
expires, at which point the batch query will read a deleted snapshot.
-- Streaming reading jobs on table files (without the external log system) fail
to restart.
+- Streaming reading jobs on table files fail to restart.
When the job restarts, the snapshot it recorded may have expired. (You can
use
[Consumer Id]({{< ref "flink/sql-query#consumer-id" >}}) to protect
streaming reading
in a small retain time of snapshot expiration).
diff --git a/docs/content/primary-key-table/changelog-producer.md
b/docs/content/primary-key-table/changelog-producer.md
index 88ae5817e..bf7a23fae 100644
--- a/docs/content/primary-key-table/changelog-producer.md
+++ b/docs/content/primary-key-table/changelog-producer.md
@@ -31,9 +31,7 @@ Streaming write can continuously produce the latest changes
for streaming read.
By specifying the `changelog-producer` table property when creating the table,
users can choose the pattern of changes produced from table files.
{{< hint info >}}
-
-The `changelog-producer` table property only affects changelog from table
files. It does not affect the external log system.
-
+`changelog-producer` may significantly reduce compaction performance, please
do not enable it unless necessary.
{{< /hint >}}
## None
