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Bug
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Resolution: Fixed
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Critical
The SupportLogFormatter.format could potential cause a performance issue if there is lots of log information being printed. I have only seen this issue happen if the log content is over 16MB in size, or lots of log data is being sent.
Thread dumps
Blocking thread:
Thread 15139: (state = IN_VM) - java.lang.Throwable.fillInStackTrace(int) @bci=0 (Compiled frame; information may be imprecise) - java.lang.Throwable.fillInStackTrace() @bci=16, line=782 (Compiled frame) - java.lang.Throwable.<init>() @bci=24, line=250 (Compiled frame) - java.util.logging.LogRecord.inferCaller() @bci=13, line=528 (Compiled frame) - java.util.logging.LogRecord.getSourceMethodName() @bci=8, line=336 (Compiled frame) - com.cloudbees.jenkins.support.SupportLogFormatter.format(java.util.logging.LogRecord) @bci=73, line=55 (Compiled frame) - java.util.logging.StreamHandler.publish(java.util.logging.LogRecord) @bci=14, line=196 (Compiled frame) - com.cloudbees.jenkins.support.impl.JenkinsLogs$LogFile.publish(java.util.logging.LogRecord) @bci=58, line=497 (Compiled frame) - com.cloudbees.jenkins.support.impl.JenkinsLogs$CustomHandler.publish(java.util.logging.LogRecord) @bci=171, line=536 (Compiled frame) - java.util.logging.Logger.log(java.util.logging.LogRecord) @bci=82, line=610 (Compiled frame) - java.util.logging.Logger.doLog(java.util.logging.LogRecord) @bci=43, line=631 (Compiled frame) - java.util.logging.Logger.log(java.util.logging.Level, java.lang.String) @bci=34, line=654 (Compiled frame) - java.util.logging.Logger.fine(java.lang.String) @bci=19, line=1204 (Compiled frame)
Blocked threads:
Thread 15140: (state = BLOCKED) - java.util.logging.StreamHandler.publish(java.util.logging.LogRecord) @bci=0, line=191 (Compiled frame) - com.cloudbees.jenkins.support.impl.JenkinsLogs$LogFile.publish(java.util.logging.LogRecord) @bci=58, line=497 (Compiled frame) - com.cloudbees.jenkins.support.impl.JenkinsLogs$CustomHandler.publish(java.util.logging.LogRecord) @bci=171, line=536 (Compiled frame) - java.util.logging.Logger.log(java.util.logging.LogRecord) @bci=82, line=610 (Compiled frame) - java.util.logging.Logger.doLog(java.util.logging.LogRecord) @bci=43, line=631 (Compiled frame) - java.util.logging.Logger.log(java.util.logging.Level, java.lang.String, java.lang.Object[]) @bci=42, line=695 (Compiled frame)
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