[CentOS] Too much memory cache being used while moving large file
Sean O Sullivan
seanos at seanos.netWed Nov 30 21:00:53 UTC 2005
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System : CentOS 4.2 2.6.9-22.0.1.ELsmp System fully up-to-date. 3GB RAM 3ware 9000S card, with Raid5 array. I think that's about all relevant info ... Had file on disk (not array), attempted to mv file to array. Went fine till 2.4GB was copied, then it slowed down to a meg every few minutes. Free memory was ~50MB (Typically is 1.5-2GB), and cache was 2.5GB. Stopped the move, however cache not being cleared out -- and this issue continues to happen - unsure if it was always a problem/known issue, it does however only occur when copying a single file > 2.4GB (I have copied 5+GB of 1+GB files in the past without issue). Also, saw following in dmesg while this was going on: Out of Memory: Killed process 12467 (mysqld). I'll be restarting server later on tonight, which will 'fix' immediate problem, however just curious on thoughts in regards to this. Regards, Sean O Sullivan
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