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https://issues.apache.org/jira/browse/HDFS-16257?focusedWorklogId=660754&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-660754
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ASF GitHub Bot logged work on HDFS-16257:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Oct/21 08:02
Start Date: 06/Oct/21 08:02
Worklog Time Spent: 10m
Work Description: symious opened a new pull request #3524:
URL: https://github.com/apache/hadoop/pull/3524
### Description of PR
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.
### How was this patch tested?
Locally tested.
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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Issue Time Tracking
-------------------
Worklog Id: (was: 660754)
Remaining Estimate: 0h
Time Spent: 10m
> [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
> Time Spent: 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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