<div dir="ltr">Hi, can you post output of <a href="https://github.com/d-helios/dtrace/blob/master/zfs/zfs_rwlatency.d">https://github.com/d-helios/dtrace/blob/master/zfs/zfs_rwlatency.d</a><div>And if you have separate log device output of <a href="https://github.com/d-helios/dtrace/blob/master/zfs/zil_latency.d">https://github.com/d-helios/dtrace/blob/master/zfs/zil_latency.d</a></div><div>---</div><div>What is your nfs-server settings? (sharectl get nfs)</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">чт, 24 авг. 2017 г. в 19:35, Richard Elling <<a href="mailto:richard.elling@richardelling.com">richard.elling@richardelling.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div><blockquote type="cite"><div>On Aug 24, 2017, at 5:41 AM, Schweiss, Chip <<a href="mailto:chip@innovates.com" target="_blank">chip@innovates.com</a>> wrote:</div><br class="m_5699970619622455576Apple-interchange-newline"><div><div dir="ltr">I just move one of my production systems to OmniOS CE 151022m from 151014 and my NFS performance has tanked. <div><br></div><div>Here's a snapshot of nfssvrtop:</div><div><br></div><div><div><font face="monospace, monospace" size="1">2017 Aug 24 07:34:39, load: 1.54, read: 5427 KB, swrite: 104 KB, awrite: 9634 KB</font></div><div><font face="monospace, monospace" size="1">Ver Client NFSOPS Reads SWrites AWrites Commits Rd_bw SWr_bw AWr_bw Rd_t SWr_t AWr_t Com_t Align%</font></div><div><font face="monospace, monospace" size="1">3 10.28.17.1 0 0 0 0 0 0 0 0 0 0 0 0 0</font></div><div><font face="monospace, monospace" size="1">3 all 0 0 0 0 0 0 0 0 0 0 0 0 0</font></div><div><font face="monospace, monospace" size="1">4 10.28.17.1 9 0 0 0 0 0 0 0 0 0 0 0 0</font></div><div><font face="monospace, monospace" size="1">4 10.28.16.160 17 0 0 0 0 0 0 0 0 0 0 0 0</font></div><div><font face="monospace, monospace" size="1">4 10.28.16.127 20 0 0 0 0 0 0 0 0 0 0 0 0</font></div><div><font face="monospace, monospace" size="1">4 10.28.16.113 74 6 6 0 0 48 56 0 1366 20824 0 0 100</font></div><div><font face="monospace, monospace" size="1">4 10.28.16.64 338 16 0 36 3 476 0 1065 120 0 130 <span style="background-color:rgb(255,0,0)"><font color="#ffffff">117390</font></span> 100</font></div><div><font face="monospace, monospace" size="1">4 10.28.16.54 696 68 0 91 5 2173 0 2916 52 0 93 <span style="background-color:rgb(255,0,0)"><font color="#ffffff">142083</font></span> 100</font></div><div><font face="monospace, monospace" size="1">4 all 1185 90 6 127 8 2697 56 3996 151 20824 104 <font color="#ffffff"><span style="background-color:rgb(255,0,0)">133979</span> </font> 100</font></div></div><div><br></div><div>The pool is not doing anything but serving NFS. Before the upgrade, the pool would sustain 20k NFS ops. </div></div></div></blockquote><div><br></div></div></div><div style="word-wrap:break-word"><div><div>The commit time is in microseconds, and it does look high. Is there a slog?</div></div></div><div style="word-wrap:break-word"><div><div> — richard</div></div></div><div style="word-wrap:break-word"><div><br><blockquote type="cite"><div><div dir="ltr"><div><br></div><div>Is there some significant change in NFS that I need to adjust its tuning?</div><div><br></div><div>-Chip</div><div><br></div><div><br></div><div><br></div></div>
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