I have a grand total of 3 files, each holding a single long! Could it
really be in gc hell because of this? I passed in -Xmx256m on the command
On Tue, Jun 2, 2009 at 12:52 PM, Ted Dunning <ted.dunn...@gmail.com> wrote:
> I have seen this when I was over-loading our zookeeper instance. When
> data or total number of files gets large, the system can wind up in GC
> almost permanently. Zookeeper being Zookeeper, it does an amazing job of
> keeping on, but eventually things go bad.
> To test if this is your problem, you can do a couple of things.
> - first, figure out how many files you have and how much space they take
> - second, review how much memory you gave ZK to start. It looks from what
> you show here that you didn't give it much memory.
> - third, turn on verbose GC and see what that says.
> - fourth, write back and tell me why I was wrong with this guess so that we
> all get smarter!
> On Tue, Jun 2, 2009 at 12:07 PM, Satish Bhatti <cthd2...@gmail.com> wrote:
> > I am running a 5 node ZooKeeper cluster and I noticed that one of them
> > very high CPU usage:
> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> > 6883 infact 22 0 725m 41m 4188 S 95 0.5
> > 5671:54 java
> > It is not "doing anything" application-wise at this point, so I was
> > wondering why the heck it's using up so much CPU! I have attached a
> > logfile to this email.
> > Satish
> Ted Dunning, CTO
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