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Posted to issues@hbase.apache.org by GitBox <gi...@apache.org> on 2021/05/19 09:33:18 UTC

[GitHub] [hbase] sunhelly opened a new pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

sunhelly opened a new pull request #3280:
URL: https://github.com/apache/hbase/pull/3280


   More details in [HBASE-25899](https://issues.apache.org/jira/browse/HBASE-25899)


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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-844713121


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-843966389


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
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   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-844658762


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 12s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 22s |  master passed  |
   | +1 :green_heart: |  checkstyle  |   1m  8s |  master passed  |
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   | +1 :green_heart: |  spotbugs  |   2m 23s |  the patch passed  |
   ||| _ Other Tests _ |
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   |  |   |  51m 15s |   |
   
   
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   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-844723701


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 56s |  master passed  |
   | +1 :green_heart: |  compile  |   1m 16s |  master passed  |
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   | -1 :x: |  unit  | 157m 53s |  hbase-server in the patch failed.  |
   |  |   | 196m 11s |   |
   
   
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   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/2/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-844115617


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 58s |  master passed  |
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   | +1 :green_heart: |  javadoc  |   0m 44s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 49s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 16s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m 16s |  the patch passed  |
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   | +1 :green_heart: |  javadoc  |   0m 41s |  the patch passed  |
   ||| _ Other Tests _ |
   | -1 :x: |  unit  | 208m 13s |  hbase-server in the patch failed.  |
   |  |   | 244m 41s |   |
   
   
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   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] sunhelly merged pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
sunhelly merged pull request #3280:
URL: https://github.com/apache/hbase/pull/3280


   


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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-844119212


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 19s |  master passed  |
   | +1 :green_heart: |  compile  |   1m  3s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   8m 54s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 38s |  master passed  |
   ||| _ Patch Compile Tests _ |
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   | +1 :green_heart: |  compile  |   1m  2s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m  2s |  the patch passed  |
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   | +1 :green_heart: |  javadoc  |   0m 36s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 216m 52s |  hbase-server in the patch passed.  |
   |  |   | 249m 14s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
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   | modules | C: hbase-server U: hbase-server |
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   | versions | git=2.17.1 maven=3.6.3 |
   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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[GitHub] [hbase] sunhelly commented on a change in pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
sunhelly commented on a change in pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#discussion_r636656646



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
##########
@@ -226,7 +226,7 @@ public synchronized void triggerCacheRefreshForTesting() {
     return unReferencedFiles;
   }
 
-  private void refreshCache() throws IOException {
+  private synchronized void refreshCache() throws IOException {

Review comment:
       This method is also called in getUnreferencedFiles, which is used in concurrently checking deletable files. I kept the synchronize in RefreshCacheTask, because it will clear the cache when encountered exception. But when in getUnreferencedFiles the exception should throw out.




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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-845927805


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
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   | +0 :ok: |  reexec  |   2m 10s |  Docker mode activated.  |
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   6m  9s |  master passed  |
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   | +1 :green_heart: |  shadedjars  |   9m 55s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 48s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   5m 45s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 33s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m 33s |  the patch passed  |
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   | +1 :green_heart: |  javadoc  |   0m 50s |  the patch passed  |
   ||| _ Other Tests _ |
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   | Subsystem | Report/Notes |
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   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
   | Optional Tests | javac javadoc unit shadedjars compile |
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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-845811690


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m  8s |  Docker mode activated.  |
   ||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 17s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 24s |  master passed  |
   | +1 :green_heart: |  checkstyle  |   1m 10s |  master passed  |
   | +1 :green_heart: |  spotbugs  |   2m 15s |  master passed  |
   ||| _ Patch Compile Tests _ |
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   | +1 :green_heart: |  compile  |   3m 24s |  the patch passed  |
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   | +1 :green_heart: |  spotbugs  |   2m 45s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  asflicense  |   0m 15s |  The patch does not generate ASF License warnings.  |
   |  |   |  52m 33s |   |
   
   
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   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/3/artifact/yetus-general-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
   | uname | Linux 509089b13db5 4.15.0-128-generic #131-Ubuntu SMP Wed Dec 9 06:57:35 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/hbase-personality.sh |
   | git revision | master / 15e861169f |
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[GitHub] [hbase] Apache9 commented on a change in pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache9 commented on a change in pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#discussion_r636113573



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
##########
@@ -91,12 +91,12 @@
   private final FileSystem fs, workingFs;
   private final SnapshotFileInspector fileInspector;
   private final Path snapshotDir, workingSnapshotDir;
-  private final Set<String> cache = new HashSet<>();
+  private volatile ImmutableSet<String> cache = ImmutableSet.of();
   /**
    * This is a helper map of information about the snapshot directories so we don't need to rescan
    * them if they haven't changed since the last time we looked.
    */
-  private final Map<String, SnapshotDirectoryInfo> snapshots = new HashMap<>();
+  private volatile ImmutableMap<String, SnapshotDirectoryInfo> snapshots = ImmutableMap.of();

Review comment:
       We will only access this in the RefreshCacheTask thread, so do not need to be volatile?

##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
##########
@@ -184,7 +184,7 @@ public synchronized void triggerCacheRefreshForTesting() {
   // XXX this is inefficient to synchronize on the method, when what we really need to guard against
   // is an illegal access to the cache. Really we could do a mutex-guarded pointer swap on the
   // cache, but that seems overkill at the moment and isn't necessarily a bottleneck.
-  public synchronized Iterable<FileStatus> getUnreferencedFiles(Iterable<FileStatus> files,
+  public Iterable<FileStatus> getUnreferencedFiles(Iterable<FileStatus> files,

Review comment:
       I think we should store cache into a local variable and use it in the method, as it may be switched during the method execution.

##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
##########
@@ -226,7 +226,7 @@ public synchronized void triggerCacheRefreshForTesting() {
     return unReferencedFiles;
   }
 
-  private void refreshCache() throws IOException {
+  private synchronized void refreshCache() throws IOException {

Review comment:
       We do not need to make it synchronized? We will only call it below in RefreshCacheTask and we have synchronized there.




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[GitHub] [hbase] Apache-HBase commented on pull request #3280: HBASE-25899 Improve efficiency of SnapshotHFileCleaner

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3280:
URL: https://github.com/apache/hbase/pull/3280#issuecomment-845921226


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m  4s |  Docker mode activated.  |
   | -0 :warning: |  yetus  |   0m  3s |  Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck  |
   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m  5s |  master passed  |
   | +1 :green_heart: |  compile  |   1m  1s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   8m 55s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 36s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m  2s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m  2s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m  2s |  the patch passed  |
   | +1 :green_heart: |  shadedjars  |   9m  0s |  patch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 35s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 220m 38s |  hbase-server in the patch passed.  |
   |  |   | 252m 57s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/3/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3280 |
   | Optional Tests | javac javadoc unit shadedjars compile |
   | uname | Linux 1b523a83c285 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/hbase-personality.sh |
   | git revision | master / 15e861169f |
   | Default Java | AdoptOpenJDK-1.8.0_282-b08 |
   |  Test Results | https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/3/testReport/ |
   | Max. process+thread count | 2681 (vs. ulimit of 30000) |
   | modules | C: hbase-server U: hbase-server |
   | Console output | https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3280/3/console |
   | versions | git=2.17.1 maven=3.6.3 |
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