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https://issues.apache.org/jira/browse/HADOOP-19729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18034932#comment-18034932
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ASF GitHub Bot commented on HADOOP-19729:
-----------------------------------------
anujmodi2021 commented on PR #8043:
URL: https://github.com/apache/hadoop/pull/8043#issuecomment-3478667095
------------------------------
:::: AGGREGATED TEST RESULT ::::
============================================================
HNS-OAuth-DFS
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 875, Failures: 0, Errors: 0, Skipped: 214
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23
============================================================
HNS-SharedKey-DFS
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 4
[WARNING] Tests run: 878, Failures: 0, Errors: 0, Skipped: 166
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 10
============================================================
NonHNS-SharedKey-DFS
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 717, Failures: 0, Errors: 0, Skipped: 279
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 11
============================================================
AppendBlob-HNS-OAuth-DFS
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 875, Failures: 0, Errors: 0, Skipped: 225
[WARNING] Tests run: 126, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23
============================================================
NonHNS-SharedKey-Blob
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 724, Failures: 0, Errors: 0, Skipped: 137
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 11
============================================================
NonHNS-OAuth-DFS
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 714, Failures: 0, Errors: 0, Skipped: 281
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24
============================================================
NonHNS-OAuth-Blob
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 721, Failures: 0, Errors: 0, Skipped: 149
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24
============================================================
AppendBlob-NonHNS-OAuth-Blob
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 716, Failures: 0, Errors: 0, Skipped: 195
[WARNING] Tests run: 135, Failures: 0, Errors: 0, Skipped: 4
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24
============================================================
HNS-Oauth-DFS-IngressBlob
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 749, Failures: 0, Errors: 0, Skipped: 223
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23
============================================================
NonHNS-OAuth-DFS-IngressBlob
============================================================
[WARNING] Tests run: 217, Failures: 0, Errors: 0, Skipped: 10
[WARNING] Tests run: 714, Failures: 0, Errors: 0, Skipped: 278
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24
Time taken: 275 mins 19 secs.
> ABFS: [Perf] Network Profiling of Tailing Requests and Killing Bad
> Connections Proactively
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-19729
> URL: https://issues.apache.org/jira/browse/HADOOP-19729
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.4.2
> Reporter: Anuj Modi
> Assignee: Anuj Modi
> Priority: Major
> Labels: pull-request-available
>
> It has been observed that certain requests taking more time than expected to
> complete hinders the performance of whole workload. Such requests are known
> as tailing requests. They can be taking more time due to a number of reasons
> and the prominent among them is a bad network connection. In Abfs driver we
> cache network connections and keeping such bad connections in cache and
> reusing them can be bad for perf.
> In this effort we try to identify such connections and close them so that new
> good connetions can be established and perf can be improved. There are two
> parts of this effort.
> # Identifying Tailing Requests: This involves profiling all the network
> calls and getting percentiles value optimally. By default we consider p99 as
> the tail latency and all the future requests taking more than tail latency
> will be considere as Tailing requests.
> # Proactively Killing Socket Connections: With Apache client, we can now
> kill the socket connection and fail the tailing request. Such failures will
> not be thrown back to user and retried immediately without any sleep but from
> another socket connection.
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