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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/12/02 13:26:23 UTC
[GitHub] [hadoop] hfutatzhanghb opened a new pull request, #5181: HDFS-16859. RBF:move LOG.debug into if condition for method acquirePe…
hfutatzhanghb opened a new pull request, #5181:
URL: https://github.com/apache/hadoop/pull/5181
…rmit.
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### Description of PR
The invoke frequency of method AbstractRouterRpcFairnessPolicyController#acquirePermit is high. before getting the permit of a nameservice, there is always a LOG.debug statement.
It is better to move the statement into if condition statement.
### How was this patch tested?
no need to test.
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under [ASF 2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`, `NOTICE-binary` files?
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[GitHub] [hadoop] hfutatzhanghb commented on a diff in pull request #5181: HDFS-16859. RBF: Move LOG.debug into if condition acquirePermit
Posted by GitBox <gi...@apache.org>.
hfutatzhanghb commented on code in PR #5181:
URL: https://github.com/apache/hadoop/pull/5181#discussion_r1038724828
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/fairness/AbstractRouterRpcFairnessPolicyController.java:
##########
@@ -63,10 +63,14 @@ public void init(Configuration conf) {
@Override
public boolean acquirePermit(String nsId) {
try {
- LOG.debug("Taking lock for nameservice {}", nsId);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Taking lock for nameservice {}", nsId);
Review Comment:
i.m sorry, @goiri , here does not need if condition statement exactlly. i will close this pr.
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[GitHub] [hadoop] hfutatzhanghb commented on pull request #5181: HDFS-16859. RBF:move LOG.debug into if condition for method acquirePe…
Posted by GitBox <gi...@apache.org>.
hfutatzhanghb commented on PR #5181:
URL: https://github.com/apache/hadoop/pull/5181#issuecomment-1335240327
@tomscut @ZanderXu , hi, could you help me to review it. the modification is very simple.
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[GitHub] [hadoop] ayushtkn closed pull request #5181: HDFS-16859. RBF: Move LOG.debug into if condition acquirePermit
Posted by GitBox <gi...@apache.org>.
ayushtkn closed pull request #5181: HDFS-16859. RBF: Move LOG.debug into if condition acquirePermit
URL: https://github.com/apache/hadoop/pull/5181
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[GitHub] [hadoop] hadoop-yetus commented on pull request #5181: HDFS-16859. RBF:move LOG.debug into if condition for method acquirePe…
Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5181:
URL: https://github.com/apache/hadoop/pull/5181#issuecomment-1335456810
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 52s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available. |
| +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 | 41m 36s | | trunk passed |
| +1 :green_heart: | compile | 0m 56s | | trunk passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 0m 48s | | trunk passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 0m 41s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 54s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 59s | | trunk passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 1m 8s | | trunk passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 42s | | trunk passed |
| +1 :green_heart: | shadedclient | 27m 8s | | branch has no errors when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 45s | | the patch passed |
| +1 :green_heart: | compile | 0m 43s | | the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javac | 0m 43s | | the patch passed |
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| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. |
| +1 :green_heart: | checkstyle | 0m 25s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 48s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 38s | | the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 54s | | the patch passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 35s | | the patch passed |
| +1 :green_heart: | shadedclient | 24m 17s | | patch has no errors when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 37m 44s | | hadoop-hdfs-rbf in the patch passed. |
| +1 :green_heart: | asflicense | 0m 44s | | The patch does not generate ASF License warnings. |
| | | 147m 32s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5181/1/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/5181 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 10f306694c38 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / f7b32830465c5d10bc4453b62921e209f2435c9a |
| Default Java | Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07 |
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| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5181/1/testReport/ |
| Max. process+thread count | 2423 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project/hadoop-hdfs-rbf |
| Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5181/1/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
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[GitHub] [hadoop] goiri commented on a diff in pull request #5181: HDFS-16859. RBF: Move LOG.debug into if condition acquirePermit
Posted by GitBox <gi...@apache.org>.
goiri commented on code in PR #5181:
URL: https://github.com/apache/hadoop/pull/5181#discussion_r1038436246
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/fairness/AbstractRouterRpcFairnessPolicyController.java:
##########
@@ -63,10 +63,14 @@ public void init(Configuration conf) {
@Override
public boolean acquirePermit(String nsId) {
try {
- LOG.debug("Taking lock for nameservice {}", nsId);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Taking lock for nameservice {}", nsId);
Review Comment:
We have gone through this in the past.
LOG.debug with {} should already be equivalent to adding the safeguard.
Do you have some instrumentation showing that `LOG.isDebugEnabled()` is cheaper than just calling `LOG.debug()`?
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