| To: | Ken McDonell <kenj@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: pmlogger -u questions |
| From: | "Frank Ch. Eigler" <fche@xxxxxxxxxx> |
| Date: | Thu, 17 Apr 2014 18:51:50 -0400 |
| Cc: | Nathan Scott <nathans@xxxxxxxxxx>, pcp@xxxxxxxxxxx |
| Delivered-to: | pcp@xxxxxxxxxxx |
| In-reply-to: | <53505571.6050900@xxxxxxxxxxxxxxxx> |
| References: | <01e901cf56df$4ce97de0$e6bc79a0$@internode.on.net> <534B4330.1060008@xxxxxxxxxxxxxxxx> <y0meh104nvl.fsf@xxxxxxxx> <534C4FF4.5000304@xxxxxxxxxxxxxxxx> <20140414212551.GK14108@xxxxxxxxxx> <534C6531.6050502@xxxxxxxxxxxxxxxx> <155006091.5545657.1397518977813.JavaMail.zimbra@xxxxxxxxxx> <20140415002952.GM14108@xxxxxxxxxx> <216112516.5558630.1397522268210.JavaMail.zimbra@xxxxxxxxxx> <53505571.6050900@xxxxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.4.2.2i |
Hi, Ken - > I have completed the first round of this work ... as usual the final > implementation is a little messier than first expected ... Looks good! > [...] > CPU #writes Avg write size > (sec) (bytes) > short - 3.9.2 1.15 142 3946 > short - new I/O 1.30 10004 56 > [...] It would be informative to know how this translates to disk i/o. We don't use O_SYNC or fsync at this point, so it would be nice to be reassured that we're not triggering many more physical I/Os than before. (We'd just be pushing buffering to the kernel.) - FChE |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: pmlogger -u questions, Ken McDonell |
|---|---|
| Next by Date: | pcp updates - archive I/O, Ken McDonell |
| Previous by Thread: | Re: pmlogger -u questions, Ken McDonell |
| Next by Thread: | RE: pmlogger -u questions, Ken McDonell |
| Indexes: | [Date] [Thread] [Top] [All Lists] |