Showing posts with label
JAVA
.
Show all posts
Showing posts with label
JAVA
.
Show all posts
Friday, June 27, 2014
Parameters regarding JAVA memory tunning
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This is cheat sheet regarding JAVA memory tunning. Please refer to < How to Tune Java Garbage Collection > for details. JVM Memory ...
How to check JAVA memory usage
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Many commands can check the memory utilization of JAVA processes, for example, pmap, ps, jmap, jstat. What are the differences? Before we ...
23 comments:
Monitor Java Garbage Collection using jstat
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After understanding the garbage collection concept in JAVA, this article lists the "jstat" commands&options to monitor JAVA GC...
Friday, June 6, 2014
How to use jmap and jhat
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1. Using jmap to take a memory dump of process 1234, save the dump file as "heapdump". [root]# jmap -dump:format=b,file=heapdump...
1 comment:
Thursday, May 22, 2014
Pressure testing tool for Greenplum -- HAOTPS
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HAOTPS is a handy pressure testing tool in JAVA written by me. It was created for Oracle, but this version is only for Greenplum/PostgreSQL...
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