Linux servers "stop" or respond eratically The cause of this is most always the STORBUF is set too small, and the storage overcommit is higher than the STORBUF accounts for. For example, if storage is overcommitted by factor of 3, then STORBUF must be set to 300 300 300.
Or, "We changed vm.swappiness=100 and the problem disappeared." is a solution tried by one installation.
or, VM par: "VM64297: PAGING SPIKE DEMAND SCAN SHUTS DOWN SYSTEM HANG"
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