[jira] [Commented] (IGNITE-3176) Need to create gc log for each client separately [ yardstick-ignite ]

["Ilya Suntsov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15670118#comment-15670118 ] 

Ilya Suntsov commented on IGNITE-3176:
--------------------------------------

I told about a little different use case:
1. Set in properties file number of servers and drivers (drivers are clients if we set --client parameter, please take a look at attachment) e.g:
{noformat}
# Comma-separated list of the hosts to run BenchmarkServers on. 2 nodes on local host are enabled by default.
SERVER_HOSTS=localhost,localhost,localhost

# Comma-separated list of the hosts to run BenchmarkDrivers on. 1 node on local host is enabled by default.
DRIVER_HOSTS=localhost,localhost
{noformat}

2. bin/benchmark-run-all.sh config/benchmark.properties only in one terminal.

I this case we receive 2 gc files.

> Need to create gc log for each client separately [ yardstick-ignite ]
> ---------------------------------------------------------------------
>
>                 Key: IGNITE-3176
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3176
>             Project: Ignite
>          Issue Type: Bug
>          Components: clients, general
>    Affects Versions: 1.6
>            Reporter: Ilya Suntsov
>            Assignee: Chandresh Pancholi
>            Priority: Critical
>             Fix For: 1.8
>
>
> In case when started more than one client/server on one host yardstick re-write GC logs.
> GC options contain in *.properties files:
> {noformat}
> now0=`date +'%H%M%S'`
> # JVM options.
> JVM_OPTS=${JVM_OPTS}" -DIGNITE_QUIET=false"
> # Uncomment to enable concurrent garbage collection (GC) if you encounter long GC pauses.
> JVM_OPTS=${JVM_OPTS}" \
> -Xloggc:./gc${now0}.log \
> -XX:+PrintGCDetails \
> -verbose:gc \
> -XX:+UseParNewGC \
> -XX:+UseConcMarkSweepGC \
> -XX:+UseTLAB \
> -XX:NewSize=128m \
> -XX:MaxNewSize=128m \
> -XX:MaxTenuringThreshold=0 \
> -XX:SurvivorRatio=1024 \
> -XX:+UseCMSInitiatingOccupancyOnly \
> -XX:CMSInitiatingOccupancyFraction=60 \
> {noformat}
> As you can see here will be created 1 log file and if you start another driver/server with the same properties file will be re-write.



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