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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2021/01/25 23:49:38 UTC
[GitHub] [hadoop] Nargeshdb opened a new pull request #2652: HDFS-15791. fix a possible resource leak
Nargeshdb opened a new pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652
This PR fixes the issue mentioned [here](https://issues.apache.org/jira/browse/HDFS-15791).
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[GitHub] [hadoop] goiri commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
goiri commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564221594
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
That's true we want to keep it open.
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[GitHub] [hadoop] Nargeshdb commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
Nargeshdb commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564139504
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
I don't think we can use try-with-resources here, since in the normal case, `in` gets returned, and it is a wrapper for `fin`.
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[GitHub] [hadoop] Nargeshdb commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
Nargeshdb commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564140700
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
[This](https://github.com/apache/hadoop/blob/06a5d3437f68546207f18d23fe527895920c756a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java#L236) is a call site invoking this method where InputStream gets closed by the caller.
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[GitHub] [hadoop] goiri commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
goiri commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564134011
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
We could have:
try (FileInputStream fin = new FileInputStream(filename)) {
}
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[GitHub] [hadoop] hadoop-yetus commented on pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#issuecomment-767301813
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 1m 25s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain any @author tags. |
| -1 :x: | test4tests | 0m 0s | | The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 39m 55s | | trunk passed |
| +1 :green_heart: | compile | 1m 43s | | trunk passed with JDK Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | compile | 1m 31s | | trunk passed with JDK Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +1 :green_heart: | checkstyle | 1m 3s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 40s | | trunk passed |
| +1 :green_heart: | shadedclient | 21m 48s | | branch has no errors when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 1m 4s | | trunk passed with JDK Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javadoc | 1m 36s | | trunk passed with JDK Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +0 :ok: | spotbugs | 3m 26s | | Used deprecated FindBugs config; considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 3m 23s | | trunk passed |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 13s | | the patch passed |
| +1 :green_heart: | compile | 1m 16s | | the patch passed with JDK Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javac | 1m 16s | | the patch passed |
| +1 :green_heart: | compile | 1m 9s | | the patch passed with JDK Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +1 :green_heart: | javac | 1m 9s | | the patch passed |
| -0 :warning: | checkstyle | 0m 41s | [/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2652/1/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt) | hadoop-hdfs-project/hadoop-hdfs: The patch generated 7 new + 22 unchanged - 0 fixed = 29 total (was 22) |
| +1 :green_heart: | mvnsite | 1m 13s | | the patch passed |
| +1 :green_heart: | whitespace | 0m 0s | | The patch has no whitespace issues. |
| +1 :green_heart: | shadedclient | 16m 37s | | patch has no errors when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 0m 48s | | the patch passed with JDK Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javadoc | 1m 21s | | the patch passed with JDK Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +1 :green_heart: | findbugs | 3m 20s | | the patch passed |
|||| _ Other Tests _ |
| -1 :x: | unit | 221m 45s | [/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2652/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt) | hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 0m 46s | | The patch does not generate ASF License warnings. |
| | | 326m 44s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
| | hadoop.hdfs.TestRollingUpgrade |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2652/1/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/2652 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 81f60f13913a 4.15.0-126-generic #129-Ubuntu SMP Mon Nov 23 18:53:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 06a5d3437f6 |
| Default Java | Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2652/1/testReport/ |
| Max. process+thread count | 2604 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2652/1/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
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[GitHub] [hadoop] jojochuang merged pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
jojochuang merged pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652
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[GitHub] [hadoop] Nargeshdb commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
Nargeshdb commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564139504
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
I don't think we can use try-with-resources here, since in the normal case, `in` gets returned, and it is a wrapper for `fin`.
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
[This](https://github.com/apache/hadoop/blob/06a5d3437f68546207f18d23fe527895920c756a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java#L236) is a call site invoking this method where InputStream gets closed by the caller.
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[GitHub] [hadoop] Nargeshdb commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
Nargeshdb commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r565486885
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
Thanks a lot for the review. I really appreciate it.
I was wondering if I need to do anything else to get the change merged.
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[GitHub] [hadoop] goiri commented on a change in pull request #2652: HDFS-15791. Possible Resource Leak in FSImageFormatProtobuf
Posted by GitBox <gi...@apache.org>.
goiri commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564134011
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
We could have:
try (FileInputStream fin = new FileInputStream(filename)) {
}
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