[GitHub] [incubator-pinot] cxing opened a new issue #7159: Pinot retention failed when integrate with HDFS

Mon, 12 Jul 2021 19:35:18 -0700 


cxing opened a new issue #7159:
URL: https://github.com/apache/incubator-pinot/issues/7159


   1. Realtime table can't be retention and fund exceptions in leader 
controller log
   2021-07-11 03:08:50.378 ERROR [ControllerPeriodicTask] [pool-12-thread-4] 
Caught exception while running task: RetentionManager
   java.lang.IllegalArgumentException: Wrong FS: 
file:/user/hzpda/pinot_backup/Deleted_Segments/people_call_chat_relations, 
expected: hdfs://rpbt1hmn002.webex.com:8020
           at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:646) 
~[hadoop-common-2.7.0.jar:?]
           at 
org.apache.hadoop.hdfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:194)
 ~[hadoop-hdfs-2.7.0.jar:?]
           at 
org.apache.hadoop.hdfs.DistributedFileSystem.access$000(DistributedFileSystem.java:106)
 ~[hadoop-hdfs-2.7.0.jar:?]
           at 
org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)
 ~[hadoop-hdfs-2.7.0.jar:?]
           at 
org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)
 ~[hadoop-hdfs-2.7.0.jar:?]
           at 
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
 ~[hadoop-common-2.7.0.jar:?]
           at 
org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)
 ~[hadoop-hdfs-2.7.0.jar:?]
           at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1424) 
~[hadoop-common-2.7.0.jar:?]
           at 
org.apache.pinot.plugin.filesystem.HadoopPinotFS.listFiles(HadoopPinotFS.java:145)
 ~[pinot-hdfs-0.8.0-SNAPSHOT-shaded.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.controller.helix.core.SegmentDeletionManager.removeAgedDeletedSegments(SegmentDeletionManager.java:233)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.controller.helix.core.retention.RetentionManager.postprocess(RetentionManager.java:90)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.controller.helix.core.periodictask.ControllerPeriodicTask.postprocess(ControllerPeriodicTask.java:135)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.controller.helix.core.periodictask.ControllerPeriodicTask.processTables(ControllerPeriodicTask.java:101)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.controller.helix.core.periodictask.ControllerPeriodicTask.runTask(ControllerPeriodicTask.java:68)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.core.periodictask.BasePeriodicTask.run(BasePeriodicTask.java:120)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
org.apache.pinot.core.periodictask.PeriodicTaskScheduler.lambda$start$0(PeriodicTaskScheduler.java:85)
 
~[pinot-all-0.8.0-SNAPSHOT-jar-with-dependencies.jar:0.8.0-SNAPSHOT-${buildNumber}]
           at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_241]
           at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) 
[?:1.8.0_241]
           at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_241]
           at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_241]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_241]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_241]
           at java.lang.Thread.run(Thread.java:748) [?:1.8.0_241]
   2021-07-11 03:08:50.379 INFO [BasePeriodicTask] [pool-12-thread-4] Finish 
running task: RetentionManager in 453ms
   
   2. Debugging from the code we found that pinot lost hdfs host and port when 
RetentionManager call delete old data
   <img width="1235" alt="pinot_bug" 
src="https://user-images.githubusercontent.com/13634486/125380271-85093380-e3c4-11eb-8e5f-01d1cd8364e1.png";>
   3. SegmentDeletionManager: pinotFS.listFiles(tableNameURI, false); this 
function lost hdfs host and port info and next line code will return default 
schema file://
   <img width="1119" alt="pinot-bug-fix" 
src="https://user-images.githubusercontent.com/13634486/125381126-f1d0fd80-e3c5-11eb-82df-2fabd7c9dc02.png";>
   
   
   


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