At the system level, you can look at not just how much memory a process is using, but where it is using the memory, in detail. Use pmap… First find the process id: [root@jbtest ~]# ps -ef | grep java bbod 11987 11929 0 Feb29 ? 00:04:03 /opt/jdk/bin/java -Dprogram.name=run.sh -server -Xms2048m -Xmx2048m -XX:MaxPermSize=256m -Dcom.test.cookiedomain=test.com -Dtangosol.mode=prod…
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transfer moinmoin wiki to mediawiki
I switched from Moin Moin wiki to Mediawiki for system admin notes. Moin Moin is file-based and the search function failed to return results after I got up into the thousands of entries. Originally in the long ago dark ages this was an Access database, then for a while it was mysql and then postgres…
Continue Readingapache semaphores…
Troubleshooting an application that wouldn’t come up. I found that apache refused to start… In the log I found: [emerg] (28)No space left on device: Couldn’t create accept lock Disk space was fine, and we are not using quotas on the application filesystem. That leaves semaphores… I always have to go find the commands to…
Continue Readinganother tool for SVN – list_repositories.pl
One of the features of subversion + apache2 is the ability to list repositories – natively. SVNParentPath /apps/repos SVNListParentPath on Unfortunately, once you restrict the httpd.conf to individual repositories and start handling permissions separately you lose that. Both of these permissions, set at the top level, at the parent path to the repositories,…
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