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https://issues.apache.org/jira/browse/HADOOP-19613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18008576#comment-18008576
]
ASF GitHub Bot commented on HADOOP-19613:
-----------------------------------------
manika137 commented on code in PR #7801:
URL: https://github.com/apache/hadoop/pull/7801#discussion_r2218118739
##########
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/services/TestAbfsInputStream.java:
##########
@@ -921,10 +921,14 @@ private AzureBlobFileSystem createTestFile(Path
testFilePath, long testFileSize,
}
private void resetReadBufferManager(int bufferSize, int threshold) {
- ReadBufferManager.getBufferManager()
+ getBufferManager()
.testResetReadBufferManager(bufferSize, threshold);
// Trigger GC as aggressive recreation of ReadBufferManager buffers
// by successive tests can lead to OOM based on the dev VM/machine
capacity.
System.gc();
}
+
+ private ReadBufferManager getBufferManager() {
+ return ReadBufferManagerV1.getBufferManager();
+ }
}
Review Comment:
nit: add EOL
> ABFS: [ReadAheadV2] Refactor ReadBufferManager to isolate new code with the
> current working code
> ------------------------------------------------------------------------------------------------
>
> Key: HADOOP-19613
> URL: https://issues.apache.org/jira/browse/HADOOP-19613
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.5.0, 3.4.1
> Reporter: Anuj Modi
> Assignee: Anuj Modi
> Priority: Major
> Labels: pull-request-available
>
> Read Buffer Manager used today was introduced way back and has been stable
> for quite a while.
> Read Buffer Manager to be introduced as part of
> https://issues.apache.org/jira/browse/HADOOP-19596 will introduce many
> changes incrementally over time. While the development goes on and we are
> able to fully stabilise the optimized version we need the current flow to be
> functional and undisturbed.
> This work item is to isolate that from new code by refactoring
> ReadBufferManager class to have 2 different implementations with same public
> interfaces: ReadBufferManagerV1 and ReadBufferManagerV2.
> This will also introduce new configs that can be used to toggle between new
> and old code.
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