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Posted to common-commits@hadoop.apache.org by vi...@apache.org on 2016/10/28 18:04:46 UTC
[48/50] [abbrv] hadoop git commit: YARN-5027. NM should clean up app
log dirs after NM restart. Contributed by sandflee
YARN-5027. NM should clean up app log dirs after NM restart. Contributed by sandflee
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/7146359b
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/7146359b
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/7146359b
Branch: refs/heads/HDFS-9806
Commit: 7146359bfd436a76585fb1f3ea93716795308cec
Parents: c017171
Author: Jason Lowe <jl...@apache.org>
Authored: Fri Oct 28 15:48:58 2016 +0000
Committer: Jason Lowe <jl...@apache.org>
Committed: Fri Oct 28 15:48:58 2016 +0000
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.../localizer/ResourceLocalizationService.java | 56 +++++++++++++++++++-
1 file changed, 54 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/7146359b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
index 2cf6ee9..4bd004b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
@@ -242,6 +242,7 @@ public class ResourceLocalizationService extends CompositeService
if (!stateStore.canRecover()|| stateStore.isNewlyCreated()) {
cleanUpLocalDirs(lfs, delService);
+ cleanupLogDirs(lfs, delService);
initializeLocalDirs(lfs);
initializeLogDirs(lfs);
}
@@ -1374,9 +1375,9 @@ public class ResourceLocalizationService extends CompositeService
}
}
- private void initializeLogDir(FileContext lfs, String logDir) {
+ private void initializeLogDir(FileContext fs, String logDir) {
try {
- lfs.mkdir(new Path(logDir), null, true);
+ fs.mkdir(new Path(logDir), null, true);
} catch (FileAlreadyExistsException fe) {
// do nothing
} catch (IOException e) {
@@ -1386,6 +1387,57 @@ public class ResourceLocalizationService extends CompositeService
}
}
+ private void cleanupLogDirs(FileContext fs, DeletionService del) {
+ for (String logDir : dirsHandler.getLogDirsForCleanup()) {
+ try {
+ cleanupLogDir(fs, del, logDir);
+ } catch (IOException e) {
+ LOG.warn("failed to cleanup app log dir " + logDir, e);
+ }
+ }
+ }
+
+ private void cleanupLogDir(FileContext fs, DeletionService del,
+ String logDir) throws IOException {
+ if (!fs.util().exists(new Path(logDir))){
+ return;
+ }
+ renameAppLogDir(logDir);
+ deleteAppLogDir(fs, del, logDir);
+ }
+
+ private void renameAppLogDir(String logDir) throws IOException {
+ long currentTimeStamp = System.currentTimeMillis();
+ RemoteIterator<FileStatus> fileStatuses =
+ lfs.listStatus(new Path(logDir));
+ if (fileStatuses != null) {
+ while (fileStatuses.hasNext()) {
+ FileStatus fileStatus = fileStatuses.next();
+ String appName = fileStatus.getPath().getName();
+ if (appName.matches("^application_\\d+_\\d+$")) {
+ lfs.rename(new Path(logDir, appName),
+ new Path(logDir, appName + "_DEL_" + currentTimeStamp));
+ }
+ }
+ }
+ }
+
+ private void deleteAppLogDir(FileContext fs, DeletionService del,
+ String logDir) throws IOException {
+ RemoteIterator<FileStatus> fileStatuses =
+ fs.listStatus(new Path(logDir));
+ if (fileStatuses != null) {
+ while (fileStatuses.hasNext()) {
+ FileStatus fileStatus = fileStatuses.next();
+ String appName = fileStatus.getPath().getName();
+ if (appName.matches("^application_\\d+_\\d+_DEL_\\d+$")) {
+ LOG.info("delete app log dir," + appName);
+ del.delete(null, fileStatus.getPath());
+ }
+ }
+ }
+ }
+
private void cleanUpLocalDirs(FileContext lfs, DeletionService del) {
for (String localDir : dirsHandler.getLocalDirsForCleanup()) {
cleanUpLocalDir(lfs, del, localDir);
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