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new 122efbc HBASE-25642 Fix or stop warning about already cached block
(#3638)
122efbc is described below
commit 122efbcd822f3a2164ff326d798abb6def9edacd
Author: Andrew Purtell <[email protected]>
AuthorDate: Tue Aug 31 09:25:31 2021 -0700
HBASE-25642 Fix or stop warning about already cached block (#3638)
Our logs have as a fairly common occurrence: 2021-03-05 22:24:31,034 WARN
[StoreFileOpener-foo-1] hfile.BlockCacheUtil: Caching an already cached
block: blah.bub. This is harmless and can happen in rare cases (see
HBASE-8547)
Because it is harmless, log at DEBUG level, not WARN.
Signed-off-by: Baiqiang Zhao <[email protected]>
Signed-off-by: Duo Zhang <[email protected]>
Signed-off-by: Viraj Jasani <[email protected]>
Reviewed-by: Rushabh Shah <[email protected]>
---
.../src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
index 2672992..c2cf821 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java
@@ -244,7 +244,7 @@ public class BlockCacheUtil {
+ "nextBlockOnDiskSize set, Keeping cached block.");
return false;
} else {
- LOG.warn("Caching an already cached block: {}. This is harmless and
can happen in rare "
+ LOG.debug("Caching an already cached block: {}. This is harmless and
can happen in rare "
+ "cases (see HBASE-8547)",
cacheKey);
return false;
