David Boyes wrote:
What do your swap rate and vmstat output look like?
was1:~ # vmstat procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 2 0 2 0 1104 5028 8452 0 0 17 19 0 20 4 9 87
was1:~ # vmstat 5 5 procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 3 0 1 0 1128 1160 7928 0 0 17 19 0 20 4 9 87 6 0 1 0 1420 1156 7644 0 0 90 21 0 1006 1 99 0 5 0 1 0 1472 1084 7660 0 0 1 0 0 24 1 99 0 5 0 1 0 1440 1084 7684 0 0 11 11 0 28 1 99 0 4 0 1 0 1168 1084 7872 0 0 82 2 0 44 6 94 0
Two of the users were reporting response time problems during this time; one guy said flat out that when the other guy got on, his stuff ground to a halt.
If I'm reading "vmstat" correctly, we're not swapping; in fact, the cache size looks reassuringly large. However, we seem to have several Java-intensive processes going on, based on talking to users.
Do I replace the file system with one that's not ReiserFS, or what? Is the JVM max heap size somehow tunable?
Sigh, Nick
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