Mehran Hassani created YARN-7485:
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Summary: Add LOG.isDebugEnabled() guard for LOG.debug("")
Key: YARN-7485
URL: https://issues.apache.org/jira/browse/YARN-7485
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Mehran Hassani
Priority: Minor
I am conducting research on log related bugs. I tried to make a tool to fix
repetitive yet simple patterns of bugs that are related to logs. In these
files, there are debug level logging statements containing multiple string
concatenation without the if statement before them:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/HadoopYarnProtoRPC.java,
LOG.debug("Creating a HadoopYarnProtoRpc server for protocol " + protocol +"
with " + numHandlers + " handlers");, 61
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java,
LOG.debug("Received node update event:" + type + " for node:" + node+ " with
state:" + nodeState);, 985
Would you be interested in adding the if before these logging statements?
There are 14 more cases that I can mention if needed.
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