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https://issues.apache.org/jira/browse/HADOOP-18829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17763542#comment-17763542
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ASF GitHub Bot commented on HADOOP-18829:
-----------------------------------------
virajjasani commented on code in PR #5893:
URL: https://github.com/apache/hadoop/pull/5893#discussion_r1320971978
##########
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3APrefetchingLruEviction.java:
##########
@@ -175,7 +177,9 @@ public void testSeeksWithLruEviction() throws Throwable {
LOG.info("IO stats: {}", ioStats);
verifyStatisticGaugeValue(ioStats, STREAM_READ_BLOCKS_IN_FILE_CACHE, 0);
assertThatStatisticCounter(ioStats,
- STREAM_EVICT_BLOCKS_FROM_FILE_CACHE).isGreaterThanOrEqualTo(5);
+ STREAM_EVICT_BLOCKS_FROM_FILE_CACHE).isGreaterThanOrEqualTo(4);
Review Comment:
sounds good, since the eventually() throws last exception (which comes from
assertj library, they are not taking any error msg as argument), let me add
comments on this.
we don't see flakiness as such but 4 is good enough based on multiple rounds
of tests that i did last week.
> s3a prefetch LRU cache eviction metric
> --------------------------------------
>
> Key: HADOOP-18829
> URL: https://issues.apache.org/jira/browse/HADOOP-18829
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
>
> Follow-up from HADOOP-18291:
> Add new IO statistics metric to capture s3a prefetch LRU cache eviction.
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