[jira] [Updated] (HDFS-16896) HDFS Client hedged read has increased failure rate than without hedged read

2024-01-27 Thread Shilun Fan (Jira) 


 [ 
https://issues.apache.org/jira/browse/HDFS-16896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shilun Fan updated HDFS-16896:
--
 Hadoop Flags: Reviewed
 Target Version/s: 3.3.5, 3.4.0
Affects Version/s: 3.3.5
   3.4.0

> HDFS Client hedged read has increased failure rate than without hedged read
> ---
>
> Key: HDFS-16896
> URL: https://issues.apache.org/jira/browse/HDFS-16896
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: hdfs-client
>Affects Versions: 3.4.0, 3.3.5
>Reporter: Tom McCormick
>Assignee: Tom McCormick
>Priority: Major
>  Labels: pull-request-available
> Fix For: 3.4.0, 3.3.5
>
>
> When hedged read is enabled by HDFS client, we see an increased failure rate 
> on reads.
> *stacktrace*
>  
> {code:java}
> Caused by: org.apache.hadoop.hdfs.BlockMissingException: Could not obtain 
> block: BP-1183972111-10.197.192.88-1590025572374:blk_17114848218_16043459722 
> file=/data/tracking/streaming/AdImpressionEvent/daily/2022/07/18/compaction_1/part-r-1914862.1658217125623.1362294472.orc
> at 
> org.apache.hadoop.hdfs.DFSInputStream.refetchLocations(DFSInputStream.java:1077)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1060)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1039)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.hedgedFetchBlockByteRange(DFSInputStream.java:1365)
> at org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1572)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1535)
> at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:121)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.RetryingInputStream.lambda$readFully$3(RetryingInputStream.java:172)
> at org.apache.hadoop.fs.RetryPolicy.lambda$run$0(RetryPolicy.java:137)
> at org.apache.hadoop.fs.NoOpRetryPolicy.run(NoOpRetryPolicy.java:36)
> at org.apache.hadoop.fs.RetryPolicy.run(RetryPolicy.java:136)
> at 
> org.apache.hadoop.fs.RetryingInputStream.readFully(RetryingInputStream.java:168)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> io.trino.plugin.hive.orc.HdfsOrcDataSource.readInternal(HdfsOrcDataSource.java:76)
> ... 46 more
> {code}
>  



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[jira] [Updated] (HDFS-16896) HDFS Client hedged read has increased failure rate than without hedged read

2023-03-01 Thread Tom McCormick (Jira) 


 [ 
https://issues.apache.org/jira/browse/HDFS-16896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tom McCormick updated HDFS-16896:
-
Fix Version/s: 3.4.0
   3.3.5

> HDFS Client hedged read has increased failure rate than without hedged read
> ---
>
> Key: HDFS-16896
> URL: https://issues.apache.org/jira/browse/HDFS-16896
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: hdfs-client
>Reporter: Tom McCormick
>Assignee: Tom McCormick
>Priority: Major
>  Labels: pull-request-available
> Fix For: 3.4.0, 3.3.5
>
>
> When hedged read is enabled by HDFS client, we see an increased failure rate 
> on reads.
> *stacktrace*
>  
> {code:java}
> Caused by: org.apache.hadoop.hdfs.BlockMissingException: Could not obtain 
> block: BP-1183972111-10.197.192.88-1590025572374:blk_17114848218_16043459722 
> file=/data/tracking/streaming/AdImpressionEvent/daily/2022/07/18/compaction_1/part-r-1914862.1658217125623.1362294472.orc
> at 
> org.apache.hadoop.hdfs.DFSInputStream.refetchLocations(DFSInputStream.java:1077)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1060)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1039)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.hedgedFetchBlockByteRange(DFSInputStream.java:1365)
> at org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1572)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1535)
> at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:121)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.RetryingInputStream.lambda$readFully$3(RetryingInputStream.java:172)
> at org.apache.hadoop.fs.RetryPolicy.lambda$run$0(RetryPolicy.java:137)
> at org.apache.hadoop.fs.NoOpRetryPolicy.run(NoOpRetryPolicy.java:36)
> at org.apache.hadoop.fs.RetryPolicy.run(RetryPolicy.java:136)
> at 
> org.apache.hadoop.fs.RetryingInputStream.readFully(RetryingInputStream.java:168)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> io.trino.plugin.hive.orc.HdfsOrcDataSource.readInternal(HdfsOrcDataSource.java:76)
> ... 46 more
> {code}
>  



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[jira] [Updated] (HDFS-16896) HDFS Client hedged read has increased failure rate than without hedged read

2023-01-23 Thread ASF GitHub Bot (Jira) 


 [ 
https://issues.apache.org/jira/browse/HDFS-16896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

ASF GitHub Bot updated HDFS-16896:
--
Labels: pull-request-available  (was: )

> HDFS Client hedged read has increased failure rate than without hedged read
> ---
>
> Key: HDFS-16896
> URL: https://issues.apache.org/jira/browse/HDFS-16896
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: hdfs-client
>Reporter: Tom McCormick
>Assignee: Tom McCormick
>Priority: Major
>  Labels: pull-request-available
>
> When hedged read is enabled by HDFS client, we see an increased failure rate 
> on reads.
> *stacktrace*
>  
> {code:java}
> Caused by: org.apache.hadoop.hdfs.BlockMissingException: Could not obtain 
> block: BP-1183972111-10.197.192.88-1590025572374:blk_17114848218_16043459722 
> file=/data/tracking/streaming/AdImpressionEvent/daily/2022/07/18/compaction_1/part-r-1914862.1658217125623.1362294472.orc
> at 
> org.apache.hadoop.hdfs.DFSInputStream.refetchLocations(DFSInputStream.java:1077)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1060)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:1039)
> at 
> org.apache.hadoop.hdfs.DFSInputStream.hedgedFetchBlockByteRange(DFSInputStream.java:1365)
> at org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1572)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1535)
> at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:121)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.RetryingInputStream.lambda$readFully$3(RetryingInputStream.java:172)
> at org.apache.hadoop.fs.RetryPolicy.lambda$run$0(RetryPolicy.java:137)
> at org.apache.hadoop.fs.NoOpRetryPolicy.run(NoOpRetryPolicy.java:36)
> at org.apache.hadoop.fs.RetryPolicy.run(RetryPolicy.java:136)
> at 
> org.apache.hadoop.fs.RetryingInputStream.readFully(RetryingInputStream.java:168)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:112)
> at 
> io.trino.plugin.hive.orc.HdfsOrcDataSource.readInternal(HdfsOrcDataSource.java:76)
> ... 46 more
> {code}
>  



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