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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/02/25 06:41:00 UTC
[jira] [Work logged] (HIVE-25980) Support HiveMetaStoreChecker.checkTable operation with multi-threaded
[ https://issues.apache.org/jira/browse/HIVE-25980?focusedWorklogId=732881&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-732881 ]
ASF GitHub Bot logged work on HIVE-25980:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/22 06:40
Start Date: 25/Feb/22 06:40
Worklog Time Spent: 10m
Work Description: cravani opened a new pull request #3053:
URL: https://github.com/apache/hive/pull/3053
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### What changes were proposed in this pull request?
Make [HiveMetaStoreChecker.checkTable](https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreChecker.java#L299) operation run with multi threaded plus allow user to configure number of threads.
### Why are the changes needed?
Currently [HiveMetaStoreChecker.checkTable](https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreChecker.java#L299) is implemented with serialized operation to check current partitions in a table as part of MSCK operation, this can be run in parallel to improve the overall performance for MSCK Repair table queries.
If the table has 1000s of partitions on Cloud Storage (S3), this operation could take longer to run. Changing it to run multithreaded will improve performance.
### Does this PR introduce _any_ user-facing change?
Yes, PR introduces new configuration property with no changes for user by default.
Property: hive.metastore.msck.fshandler.threads/metastore.msck.fshandler.threads which defaults to 1 and that is current behavior, however based on user requirement it can be configured at the service/session level.
### How was this patch tested?
For stability of the patch added new clientpositive test case -> msck_repair_multi_thread.q
additionally the patch was tested manually in terms of performance.
i.e with 33k partitions without patch MSCK operation took 2000 seconds vs with Patch 200 seconds.
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Issue Time Tracking
-------------------
Worklog Id: (was: 732881)
Remaining Estimate: 0h
Time Spent: 10m
> Support HiveMetaStoreChecker.checkTable operation with multi-threaded
> ---------------------------------------------------------------------
>
> Key: HIVE-25980
> URL: https://issues.apache.org/jira/browse/HIVE-25980
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore
> Affects Versions: 3.1.2, 4.0.0
> Reporter: Chiran Ravani
> Assignee: Chiran Ravani
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> MSCK Repair table for high partition table can perform slow on Cloud Storage such as S3, one of the case we found where slowness was observed in HiveMetaStoreChecker.checkTable.
> {code:java}
> "HiveServer2-Background-Pool: Thread-382" #382 prio=5 os_prio=0 tid=0x00007f97fc4a4000 nid=0x5c2a runnable [0x00007f97c41a8000]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
> at java.net.SocketInputStream.read(SocketInputStream.java:171)
> at java.net.SocketInputStream.read(SocketInputStream.java:141)
> at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:464)
> at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:68)
> at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1341)
> at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:73)
> at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:957)
> at com.amazonaws.thirdparty.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
> at com.amazonaws.thirdparty.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)
> at com.amazonaws.thirdparty.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:280)
> at com.amazonaws.thirdparty.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
> at com.amazonaws.thirdparty.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
> at com.amazonaws.thirdparty.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
> at com.amazonaws.thirdparty.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
> at com.amazonaws.thirdparty.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157)
> at com.amazonaws.thirdparty.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
> at com.amazonaws.http.protocol.SdkHttpRequestExecutor.doReceiveResponse(SdkHttpRequestExecutor.java:82)
> at com.amazonaws.thirdparty.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at com.amazonaws.thirdparty.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
> at com.amazonaws.thirdparty.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
> at com.amazonaws.thirdparty.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
> at com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
> at com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
> at com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1331)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1145)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:802)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:770)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:744)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:704)
> at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:686)
> at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:550)
> at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:530)
> at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5437)
> at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5384)
> at com.amazonaws.services.s3.AmazonS3Client.getObjectMetadata(AmazonS3Client.java:1367)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.lambda$getObjectMetadata$10(S3AFileSystem.java:2458)
> at org.apache.hadoop.fs.s3a.S3AFileSystem$$Lambda$437/835000758.apply(Unknown Source)
> at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:414)
> at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:377)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:2446)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:2426)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:3689)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.innerGetFileStatus(S3AFileSystem.java:3601)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.lambda$exists$34(S3AFileSystem.java:4604)
> at org.apache.hadoop.fs.s3a.S3AFileSystem$$Lambda$436/741067886.apply(Unknown Source)
> at org.apache.hadoop.fs.statistics.impl.IOStatisticsBinding.lambda$trackDurationOfOperation$5(IOStatisticsBinding.java:499)
> at org.apache.hadoop.fs.statistics.impl.IOStatisticsBinding$$Lambda$404/116715871.apply(Unknown Source)
> at org.apache.hadoop.fs.statistics.impl.IOStatisticsBinding.trackDuration(IOStatisticsBinding.java:444)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.trackDurationAndSpan(S3AFileSystem.java:2250)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.trackDurationAndSpan(S3AFileSystem.java:2269)
> at org.apache.hadoop.fs.s3a.S3AFileSystem.exists(S3AFileSystem.java:4602)
> at org.apache.hadoop.hive.metastore.HiveMetaStoreChecker.checkTable(HiveMetaStoreChecker.java:338)
> at org.apache.hadoop.hive.metastore.HiveMetaStoreChecker.checkTable(HiveMetaStoreChecker.java:288)
> at org.apache.hadoop.hive.metastore.HiveMetaStoreChecker.checkMetastore(HiveMetaStoreChecker.java:153)
> at org.apache.hadoop.hive.metastore.Msck.repair(Msck.java:139)
> at org.apache.hadoop.hive.ql.ddl.misc.msck.MsckOperation.execute(MsckOperation.java:77)
> at org.apache.hadoop.hive.ql.ddl.DDLTask.execute(DDLTask.java:82)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:213)
> at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:105)
> at org.apache.hadoop.hive.ql.Executor.launchTask(Executor.java:357)
> at org.apache.hadoop.hive.ql.Executor.launchTasks(Executor.java:330)
> at org.apache.hadoop.hive.ql.Executor.runTasks(Executor.java:246)
> at org.apache.hadoop.hive.ql.Executor.execute(Executor.java:109)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:756)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:505)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:499)
> at org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:166)
> at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:230)
> at org.apache.hive.service.cli.operation.SQLOperation.access$700(SQLOperation.java:87)
> at org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:329)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1898)
> at org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:349)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - <0x00000003c4180c98> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
> - <0x00000003f74448c0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> {code}
> Proposal is to introduce multi threaded run for checkTable to improve performance for Cloud Storage.
> My initial thought is to introduce new config property hive.metastore.msck.fshandler.threads or use existing config property hive.metastore.fshandler.threads
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