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by custardcream
4232 days ago
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That's of absolutely no use when the box is under heavy load. Perf counters just stop working. We had a system wide thrashing problem with ReaderWriterLockSlim which doesn't work properly under load. Took 15 mins to log into the box to blast the process. Couldn't even get any performance info out of it. Happens on a JVM on Unix; no problem. For ref the concurrent collections should not be trusted under heavy load in processes with more threads than CPUs. Its to be honest piss poor quality. |
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