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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/03/23 18:34:51 UTC

[GitHub] [hadoop] li-leyang opened a new pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

li-leyang opened a new pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100


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   ### Description of PR
   
   https://issues.apache.org/jira/browse/HDFS-16518
   
   ### How was this patch tested?
   
   
   ### For code changes:
   
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[GitHub] [hadoop] ibuenros commented on pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
ibuenros commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1076700669


   @li-leyang this change is invalidating the singleton cache every time a DFSClient is closed. I thought the intention was to use a shutdown hook to close key provider clients instead?


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[GitHub] [hadoop] hadoop-yetus commented on pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1076988908


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] aajisaka commented on pull request #4100: HDFS-16518: Add shutdownhook in KeyProviderCache to invalidate cache at jvm shutdown

Posted by GitBox <gi...@apache.org>.
aajisaka commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1081888202


   Hi @omalley - it is committed to trunk, branch-3.3, and branch-2.10 without your approval in either JIRA or GitHub PR. Do you have any reason to approve the change?


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[GitHub] [hadoop] li-leyang commented on a change in pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
li-leyang commented on a change in pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#discussion_r833664651



##########
File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
##########
@@ -85,6 +90,26 @@ public KeyProvider call() throws Exception {
     }
   }
 
+  public static final int SHUTDOWN_HOOK_PRIORITY = FileSystem.SHUTDOWN_HOOK_PRIORITY - 1;
+
+  private class KeyProviderCacheFinalizer implements Runnable {
+    @Override
+    public synchronized void run() {
+      invalidateCache();
+    }
+  }
+
+  /**
+   * Invalidate cache and auto close KeyProviders in the cache
+   */
+  @VisibleForTesting
+  synchronized void invalidateCache() {
+    LOG.debug("Invalidating all cached KeyProviders in ShutdownHookManager.");
+    if (cache != null) {
+      cache.invalidateAll();

Review comment:
       Added




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[GitHub] [hadoop] omalley closed pull request #4100: HDFS-16518: Add shutdownhook in KeyProviderCache to invalidate cache at jvm shutdown

Posted by GitBox <gi...@apache.org>.
omalley closed pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100


   


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[GitHub] [hadoop] omalley commented on pull request #4100: HDFS-16518: Add shutdownhook in KeyProviderCache to invalidate cache at jvm shutdown

Posted by GitBox <gi...@apache.org>.
omalley commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1083620684


   Sorry, I meant to also close & comment on the jira. Committing it and referencing this PR, means that I approved it.


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[GitHub] [hadoop] li-leyang commented on a change in pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
li-leyang commented on a change in pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#discussion_r833665038



##########
File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
##########
@@ -85,6 +90,26 @@ public KeyProvider call() throws Exception {
     }
   }
 
+  public static final int SHUTDOWN_HOOK_PRIORITY = FileSystem.SHUTDOWN_HOOK_PRIORITY - 1;
+
+  private class KeyProviderCacheFinalizer implements Runnable {
+    @Override
+    public synchronized void run() {
+      invalidateCache();
+    }
+  }
+
+  /**
+   * Invalidate cache and auto close KeyProviders in the cache
+   */
+  @VisibleForTesting
+  synchronized void invalidateCache() {
+    LOG.debug("Invalidating all cached KeyProviders in ShutdownHookManager.");

Review comment:
       fixed




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[GitHub] [hadoop] omalley commented on pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
omalley commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1078244353


   I commented on the jira, but:
   
   I don't understand why this is required. Obviously at jvm shutdown the cache will be discarded. The order of shutdown hooks isn't deterministic, so using this isn't a fix against other shutdown hooks using the cache.
   
   Is there some other call to KeyProvider.close() that this should replace?


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[GitHub] [hadoop] ibuenros commented on a change in pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
ibuenros commented on a change in pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#discussion_r833658315



##########
File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
##########
@@ -85,6 +90,26 @@ public KeyProvider call() throws Exception {
     }
   }
 
+  public static final int SHUTDOWN_HOOK_PRIORITY = FileSystem.SHUTDOWN_HOOK_PRIORITY - 1;
+
+  private class KeyProviderCacheFinalizer implements Runnable {
+    @Override
+    public synchronized void run() {
+      invalidateCache();
+    }
+  }
+
+  /**
+   * Invalidate cache and auto close KeyProviders in the cache
+   */
+  @VisibleForTesting
+  synchronized void invalidateCache() {
+    LOG.debug("Invalidating all cached KeyProviders in ShutdownHookManager.");

Review comment:
       This log is technically not correct in that we don't know the call is coming form ShutdownHookManager. Maybe just remove the last two words from the log.

##########
File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
##########
@@ -85,6 +90,26 @@ public KeyProvider call() throws Exception {
     }
   }
 
+  public static final int SHUTDOWN_HOOK_PRIORITY = FileSystem.SHUTDOWN_HOOK_PRIORITY - 1;
+
+  private class KeyProviderCacheFinalizer implements Runnable {
+    @Override
+    public synchronized void run() {
+      invalidateCache();
+    }
+  }
+
+  /**
+   * Invalidate cache and auto close KeyProviders in the cache
+   */
+  @VisibleForTesting
+  synchronized void invalidateCache() {
+    LOG.debug("Invalidating all cached KeyProviders in ShutdownHookManager.");
+    if (cache != null) {
+      cache.invalidateAll();

Review comment:
       Maybe add a comment that this will close the providers due to the cache hook?




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[GitHub] [hadoop] hadoop-yetus commented on pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1076995582


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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[GitHub] [hadoop] hadoop-yetus commented on pull request #4100: HDFS-16518: Close cached KeyProvider when DFSClient is closed

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #4100:
URL: https://github.com/apache/hadoop/pull/4100#issuecomment-1077009230


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 50s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to include 1 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |  12m 19s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  25m 42s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   6m 34s |  |  trunk passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  compile  |   6m 13s |  |  trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  checkstyle  |   1m 22s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m 47s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 53s |  |  trunk passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javadoc  |   2m 22s |  |  trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   6m 44s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  26m 57s |  |  branch has no errors when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 23s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   2m  8s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   6m 27s |  |  the patch passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javac  |   6m 27s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   6m  2s |  |  the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |   6m  2s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks issues.  |
   | -0 :warning: |  checkstyle  |   1m  7s | [/results-checkstyle-hadoop-hdfs-project.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4100/1/artifact/out/results-checkstyle-hadoop-hdfs-project.txt) |  hadoop-hdfs-project: The patch generated 2 new + 43 unchanged - 0 fixed = 45 total (was 43)  |
   | +1 :green_heart: |  mvnsite  |   2m 14s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 29s |  |  the patch passed with JDK Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javadoc  |   2m  4s |  |  the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   6m 22s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  26m  3s |  |  patch has no errors when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   2m 17s |  |  hadoop-hdfs-client in the patch passed.  |
   | +1 :green_heart: |  unit  | 335m 49s |  |  hadoop-hdfs in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 38s |  |  The patch does not generate ASF License warnings.  |
   |  |   | 483m 40s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4100/1/artifact/out/Dockerfile |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4100 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux 8113c28b4d11 4.15.0-163-generic #171-Ubuntu SMP Fri Nov 5 11:55:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 6b9414bc8efd322aaac25eea6cb5598c53db7b5d |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   |  Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4100/1/testReport/ |
   | Max. process+thread count | 2082 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
   | Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4100/1/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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