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https://issues.apache.org/jira/browse/HDDS-1956?focusedWorklogId=294006&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-294006
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ASF GitHub Bot logged work on HDDS-1956:
----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Aug/19 16:31
Start Date: 13/Aug/19 16:31
Worklog Time Spent: 10m
Work Description: adoroszlai commented on pull request #1287: HDDS-1956.
Aged IO Thread exits on first read
URL: https://github.com/apache/hadoop/pull/1287#discussion_r313494917
##########
File path:
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/MiniOzoneLoadGenerator.java
##########
@@ -201,11 +210,12 @@ private void startAgedFilesLoad(long runTimeMillis) {
String keyName = null;
try {
if (agedWriteProbability.isTrue()) {
- keyName = writeData(agedFileWrittenIndex.incrementAndGet(),
+ keyName = writeData(agedFileWrittenIndex.getAndIncrement(),
Review comment:
Before key with index=0 is written, the current index is incremented to 1.
Please see my [example
log](https://github.com/apache/hadoop/pull/1287#issue-306801835) for reads of
the first key right after the first write (and even after the second one).
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Issue Time Tracking
-------------------
Worklog Id: (was: 294006)
Time Spent: 1.5h (was: 1h 20m)
> Aged IO Thread exits on first read
> ----------------------------------
>
> Key: HDDS-1956
> URL: https://issues.apache.org/jira/browse/HDDS-1956
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: test
> Affects Versions: 0.5.0
> Reporter: Doroszlai, Attila
> Assignee: Doroszlai, Attila
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Aged IO Thread in {{TestMiniChaosOzoneCluster}} exits on first read due to
> exception:
> {code}
> 2019-08-12 22:55:37,799 [pool-245-thread-1] INFO
> ozone.MiniOzoneLoadGenerator
> (MiniOzoneLoadGenerator.java:startAgedFilesLoad(194)) - AGED LOADGEN: Started
> Aged IO Thread:2139.
> ...
> 2019-08-12 22:55:47,147 [pool-245-thread-1] ERROR
> ozone.MiniOzoneLoadGenerator
> (MiniOzoneLoadGenerator.java:startAgedFilesLoad(213)) - AGED LOADGEN: 0
> Exiting due to exception
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.hadoop.ozone.MiniOzoneLoadGenerator.readData(MiniOzoneLoadGenerator.java:151)
> at
> org.apache.hadoop.ozone.MiniOzoneLoadGenerator.startAgedFilesLoad(MiniOzoneLoadGenerator.java:209)
> at
> org.apache.hadoop.ozone.MiniOzoneLoadGenerator.lambda$startIO$1(MiniOzoneLoadGenerator.java:235)
> 2019-08-12 22:55:47,149 [pool-245-thread-1] INFO
> ozone.MiniOzoneLoadGenerator
> (MiniOzoneLoadGenerator.java:startAgedFilesLoad(219)) - Terminating IO
> thread:2139.
> {code}
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