Hi Stephan, Till I am looking for the memory usage info in flink_<user>_jobmanager... log. As there are no other log files in /log dir I assumed this is the right place to look. I will try to setup a new clean instance and check whether it will work.
Thank you very much for your assistance! Best regards, Filip Łęczycki Pozdrawiam, Filip Łęczycki 2015-12-09 11:13 GMT+01:00 Stephan Ewen <se...@apache.org>: > Hi Filip! > > Someone else just used the memory logging with the exact described > settings - it worked. > > There is probably some mixup, you may be looking into the wrong log file, > or may setting the a value in a different config... > > Stephan > > > On Wed, Dec 9, 2015 at 10:58 AM, Till Rohrmann <trohrm...@apache.org> > wrote: > >> I assume you're looking in the taskmanager log file for the memory usage >> logging statements, right? >> >> Cheers, >> Till >> >> On Wed, Dec 9, 2015 at 12:15 AM, Filip Łęczycki <filipleczy...@gmail.com> >> wrote: >> >>> Hi, >>> >>> Thank you for your reply! >>> >>> I have made sure I restarted the TaskManager after changing config, but >>> it didn't resolve the issue.The config is loaded as I can see the following >>> line in the log: >>> 09:12:2015 00:00:21,894 DEBUG >>> org.apache.flink.configuration.GlobalConfiguration - Loading >>> configuration property: taskmanager.debug.memory.startLogThread, true >>> >>> I am running a job on local standalone flink instance and my >>> log4j.properties look like this: >>> log4j.rootLogger=DEBUG, file >>> >>> # Log all infos in the given file >>> log4j.appender.file=org.apache.log4j.FileAppender >>> log4j.appender.file.file=${log.file} >>> log4j.appender.file.append=false >>> log4j.appender.file.layout=org.apache.log4j.PatternLayout >>> log4j.appender.file.layout.ConversionPattern=%d{dd:MM:YYY HH:mm:ss,SSS} >>> %-5p %-60c %x - %m%n >>> >>> # suppress the irrelevant (wrong) warnings from the netty channel handler >>> log4j.logger.org.jboss.netty.channel.DefaultChannelPipeline=ERROR, file >>> >>> Maybe I can set some property in the job's code so that it would force >>> such verbose logging? I need those logs to run some flink performance >>> tests but maybe I can somehow extract the benchmark results without them, >>> do >>> you know any other way to monitor Flink Job's memory usage and GC time, >>> other than looking at web interface? >>> >>> Best regards, >>> Filip Łęczycki >>> >>> Pozdrawiam, >>> Filip Łęczycki >>> >>> 2015-12-08 20:48 GMT+01:00 Stephan Ewen <se...@apache.org>: >>> >>>> Hi! >>>> >>>> That is exactly the right way to do it. Logging has to be at least INFO >>>> and the parameter "taskmanager.debug.memory.startLogThread" set to true. >>>> The log output should be under >>>> "org.apache.flink.runtime.taskmanager.TaskManager". >>>> >>>> Do you see other outputs for that class in the log? >>>> >>>> Make sure you restarted the TaskManager processes after you changed the >>>> config file. >>>> >>>> Greetings, >>>> Stephan >>>> >>>> >>>> >>>> On Tue, Dec 8, 2015 at 6:56 PM, Filip Łęczycki <filipleczy...@gmail.com >>>> > wrote: >>>> >>>>> Hi, >>>>> >>>>> I am trying to enable logging of memory usage on flink 0.10.0 by >>>>> adding: >>>>> >>>>> taskmanager.debug.memory.startLogThread: true >>>>> >>>>> to config.yaml and setting log4j level to DEBUG however in the logs after >>>>> running the job I cannot see any info regarding memory usage.My job >>>>> lasted 30s so it should catch few intervals. Should I change something >>>>> else in the configuration? >>>>> >>>>> >>>>> Best regards/Pozdrawiam, >>>>> >>>>> Filip Łęczycki >>>>> >>>> >>>> >>> >> >