Hi there All- Sorry if my first email was confusing. The "problem" itself is not fixed by the installer, the installer just sets sudo sysctl -w kernel.pid_max=65535 on all nodes.
Thanks. On Tue, Sep 8, 2015 at 11:02 AM, Selva Govindarajan < [email protected]> wrote: > Hi Amanda, > > I presume that the installer will flag this as a requirement for Trafodion > to be installed. Will it abort the installation or will the installer fix > the pid_max settings automatically. > > Selva > > -----Original Message----- > From: Amanda Moran [mailto:[email protected]] > Sent: Tuesday, September 8, 2015 9:20 AM > To: [email protected] > Cc: Lijian (Q) <[email protected]> > Subject: Re: [Urgent Help] Trafodion Build Environment Problem > > Hi there- > > This is fixed in latest version of installer. > > Thanks. > > Sent from my iPhone > > > On Sep 8, 2015, at 9:07 AM, Dave Birdsall <[email protected]> > wrote: > > > > Hi, > > > > I'm wondering if this should be reported as a problem? Perhaps > > Nieyuanyuan would like to open a JIRA about supporting higher PID > numbers in Trafodion? > > > > Dave > > > > -----Original Message----- > > From: Narendra Goyal [mailto:[email protected]] > > Sent: Monday, September 7, 2015 7:04 PM > > To: [email protected] > > Cc: Lijian (Q) <[email protected]> > > Subject: RE: [Urgent Help] Trafodion Build Environment Problem > > > > Hi Nieyuanyuan, > > > > Could you please check the 'pid_max' settings: > > sysctl -q kernel.pid_max > > (or cat /proc/sys/kernel/pid_max) > > > > If the value is > 64K, I would recommend you set it to 64K, like so: > > sudo sysctl -w kernel.pid_max=65535 > > > > You will have to restart Tradfodion and other Hadoop/HBase processes: > > swstopall > > ckillall > > swstartall > > sqstart > > > > Just fyi, to check the list of Trafodion processes only, please run > 'cstat' > > on your bash. > > > > Thanks, > > -Narendra > > > > > > -----Original Message----- > > From: Nieyuanyuan [mailto:[email protected]] > > Sent: Monday, September 7, 2015 6:40 PM > > To: [email protected] > > Cc: Lijian (Q) <[email protected]> > > Subject: [Urgent Help] Trafodion Build Environment Problem > > > > Dear Guys, > > > > I recently downloaded trafodion 1.1 from > > https://github.com/apache/incubator-trafodion/tree/stable/1.1, and > > followed the build guide from > > https://wiki.trafodion.org/wiki/index.php/Building_the_Software, and > > solved a lot of problems (no need to list all details), I am able to > > run trafodion over a hadoop sandbox environment. > > > > But I got a serious problem, that is, all Trafodion related process > > will go down after several minutes (not sure how long), only few of > > them will > > left: > > [nieyy@redhat-72 ~]$ ps ux > > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME > COMMAND > > nieyy 76554 0.1 0.1 590988 139768 pts/6 Sl 19:14 0:04 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -XX:OnOutOfMemoryError=kill -9 %p -Xmx128m > > nieyy 118833 0.7 0.3 1535452 420996 ? Sl 19:40 0:12 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -Dproc_namenode -Xmx1000m > > -Djava.net.prefe > > nieyy 119085 0.6 0.2 1572688 367388 ? Sl 19:40 0:10 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -Dproc_datanode -Xmx1000m > > -Djava.net.prefe > > nieyy 119320 0.4 0.2 1512656 340636 ? Sl 19:41 0:07 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -Dproc_secondarynamenode -Xmx1000m -Djava. > > nieyy 119972 1.2 0.2 1708408 378536 pts/6 Sl 19:41 0:20 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -Dproc_resourcemanager -Xmx1000m -Dhadoop. > > nieyy 120133 0.9 0.2 1616388 309976 ? Sl 19:41 0:16 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -Dproc_nodemanager -Xmx1000m -Dhadoop.log. > > nieyy 120371 0.0 0.0 9824 1772 pts/6 S 19:41 0:00 > /bin/sh > > ./bin/mysqld_safe > > > --defaults-file=/home/nieyy/trafodion_build/incubator-trafodion-stable-1. > > nieyy 120594 0.0 0.0 452604 89908 pts/6 Sl 19:41 0:01 > > /home/nieyy/trafodion_build/incubator-trafodion-stable-1.1/core/sqf/sq > > l/lo > > cal_hadoop/mysql/bin/mysq > > nieyy 120789 0.0 0.0 9692 1736 pts/6 S 19:41 0:00 bash > > /home/nieyy/trafodion_build/incubator-trafodion-stable-1.1/core/sqf/sq > > l/lo > > cal_hadoop/hbase/bin > > nieyy 120806 2.0 0.3 1809048 509164 pts/6 Sl 19:41 0:34 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java -Dproc_master > > -XX:OnOutOfMemoryError=kill > > nieyy 122554 0.0 0.0 13624 1304 pts/6 S 19:41 0:00 mpirun > > -disable-auto-cleanup -demux select -env SQ_IC TCP -env > > MPI_ERROR_LEVEL > > 2 -env SQ_PIDMAP 1 - > > nieyy 122555 0.0 0.0 0 0 ? Zs 19:41 0:00 > > [hydra_pmi_proxy] <defunct> > > nieyy 122556 1.0 0.0 335212 36748 ? Ssl 19:41 0:17 > > /home/nieyy/trafodion_build/incubator-trafodion-stable-1.1/core/sqf/ex > > port > > /bin64d/monitor COLD > > nieyy 122557 0.8 0.0 335212 36768 ? Ssl 19:41 0:14 > > /home/nieyy/trafodion_build/incubator-trafodion-stable-1.1/core/sqf/ex > > port > > /bin64d/monitor COLD > > nieyy 123946 0.9 0.1 828072 223088 pts/6 Sl 19:42 0:14 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -XX:OnOutOfMemoryError=kill -9 %p -Xmx128m > > nieyy 124044 1.0 0.1 629200 187180 pts/6 Sl 19:42 0:16 > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/bin/java > > -XX:OnOutOfMemoryError=kill -9 %p -Xmx128m > > > > And then I need to kill all processes and use swstartall and sqstart > > to reset the environment, however, the environment will still go down > > after a while, and I need to restart again. > > > > I found some cores under > > trafodion_build/incubator-trafodion-stable-1.1/core/sqf/sql/scripts, > > all cored were generated by mxssmp: > > [nieyy@redhat-72 scripts]$ ll core* > > ... > > -rw------- 1 nieyy nieyy 156008448 Sep 7 17:56 core.mxssmp.173357 > > -rw------- 1 nieyy nieyy 145518592 Sep 7 17:56 core.mxssmp.173372 > > -rw------- 1 nieyy nieyy 156008448 Sep 7 19:24 core.mxssmp.74146 > > -rw------- 1 nieyy nieyy 145518592 Sep 7 19:24 core.mxssmp.74197 > > > > I used gdb to track the stack: > > [nieyy@redhat-72 scripts]$ gdb > > /home/nieyy/trafodion_build/incubator-trafodion-stable-1.1/core/sql/li > > b/li nux/64bit/debug/mxssmp ./core.mxssmp.141469 ... > > (gdb) where > > #0 0x000000000044166c in ProcessStats::getHeap (this=0x2000) at > > ../runtimestats/SqlStats.h:271 > > #1 0x000000000043990a in StatsGlobals::removeProcess > > (this=0x10000000, pid=65536, calledAtAdd=0) at > > ../runtimestats/SqlStats.cpp:276 > > #2 0x0000000000439e05 in StatsGlobals::checkForDeadProcesses > > (this=0x10000000, myPid=141469) at ../runtimestats/SqlStats.cpp:382 > > #3 0x00000000004440be in SsmpGlobals::work (this=0x7f062660c7e8) at > > ../runtimestats/ssmpipc.cpp:582 > > #4 0x000000000042f06a in runServer (argc=1, argv=0x7fff5b0e5a48) at > > ../bin/ex_ssmp_main.cpp:259 > > #5 0x000000000042eb12 in main (argc=1, argv=0x7fff5b0e5a48) at > > ../bin/ex_ssmp_main.cpp:127 > > > > Then I searched via Google, and found a link > > https://bugs.launchpad.net/trafodion/+bug/1368891 which looks similar, > > but it claimed the bug has been fixed at v0.9, but my version is 1.1. > > > > So, could you kindly help me to solve this problem cause I can't find > > more useful information via Google. > > > > Thanks a lot. > -- Thanks, Amanda Moran
