Date: Tue, 7 Jan 2014 20:16:42 +0400 From: Dmitry Sivachenko <trtrmitya@gmail.com> To: hackers@freebsd.org Subject: FreeBSD-10 and processes swapping out for no reason Message-ID: <FDB6C5BD-54EB-4CDC-99BC-F8350196ADE0@gmail.com>
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Hello! Recently I updated several of my servers from 9.2-STABLE 10.0: 10.0-PRERELEASE FreeBSD 10.0-PRERELEASE #0 r259661 Workload did not change at all, same programs, same load, same hardware. I noticed that some of the processes on 10.0 boxes are marked as swapped = out in top(1) output: 1436 root 1 43 0 16524K 0K nanslp 14 1:14 0.00% = <cron> 1381 smmsp 1 20 0 23988K 0K pause 18 0:04 0.00% = <sendma 99348 mitya 1 21 0 23492K 0K pause 16 0:00 0.00% = <csh> ps also shows them as swapped out (W as second character in state = field): 1381 - IWs 0:00.00 sendmail: Queue runner@00:30:00 for = /var/spool/clie 1436 - IWs 0:00.00 /usr/sbin/cron -s 80231 - IWs 0:00.00 /usr/local/sbin/collectdmon -c = /usr/local/sbin/coll 99348 1 IWs 0:00.00 -csh (csh) These machines have enought RAM and that never happened on 9.2-STABLE. I turned off swap: # swapinfo Device 1K-blocks Used Avail Capacity # And state of these processes did not change: still second characted in = state field of ps output is W, and top shows them in angles. How should I treat that? Thanks.=
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