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https://issues.apache.org/jira/browse/HDFS-16257?focusedWorklogId=661279&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-661279
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ASF GitHub Bot logged work on HDFS-16257:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Oct/21 02:19
Start Date: 07/Oct/21 02:19
Worklog Time Spent: 10m
Work Description: symious commented on a change in pull request #3524:
URL: https://github.com/apache/hadoop/pull/3524#discussion_r723798888
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/resolver/MountTableResolver.java
##########
@@ -138,6 +138,8 @@ public MountTableResolver(Configuration conf, Router
routerService,
FEDERATION_MOUNT_TABLE_MAX_CACHE_SIZE,
FEDERATION_MOUNT_TABLE_MAX_CACHE_SIZE_DEFAULT);
this.locationCache = CacheBuilder.newBuilder()
+ // To warkaround guava bug
https://github.com/google/guava/issues/1055
Review comment:
Updated, please help to check.
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Issue Time Tracking
-------------------
Worklog Id: (was: 661279)
Time Spent: 1h 10m (was: 1h)
> [HDFS] [RBF] Guava cache performance issue in Router MountTableResolver
> -----------------------------------------------------------------------
>
> Key: HDFS-16257
> URL: https://issues.apache.org/jira/browse/HDFS-16257
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.10.1
> Reporter: Janus Chow
> Assignee: Janus Chow
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Branch 2.10.1 uses guava version of 11.0.2, which has a bug which affects the
> performance of cache, which was mentioned in HDFS-13821.
> Since upgrading guava version seems affecting too much, this ticket is to add
> a configuration setting when initializing cache to walk around this issue.
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