Re: BUG: *FF WALs under 9.2 (WAS: .ready files appearing on slaves)

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От Michael Paquier
Тема Re: BUG: *FF WALs under 9.2 (WAS: .ready files appearing on slaves)
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Msg-id CAB7nPqQR9WxafiLtwDvcF_mXA+PSOP=2t1PsjMx87PWCxHNKPg@mail.gmail.com
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Ответ на Re: BUG: *FF WALs under 9.2 (WAS: .ready files appearing on slaves)  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Ответы Re: BUG: *FF WALs under 9.2 (WAS: .ready files appearing on slaves)
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<div dir="ltr"><br /><div class="gmail_extra"><br /><div class="gmail_quote">On Thu, Oct 23, 2014 at 1:45 PM, Heikki
Linnakangas<span dir="ltr"><<a href="mailto:hlinnakangas@vmware.com"
target="_blank">hlinnakangas@vmware.com</a>></span>wrote:<br /><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px#ccc solid;padding-left:1ex"><span class="">On 10/23/2014 01:25 PM, Michael Paquier wrote:<br
/><blockquoteclass="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> On Thu, Oct 23,
2014at 10:09 AM, Heikki Linnakangas <<br /><a href="mailto:hlinnakangas@vmware.com"
target="_blank">hlinnakangas@vmware.com</a>>wrote:<br /><br /><blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px#ccc solid;padding-left:1ex"> On 10/23/2014 08:59 AM, Fujii Masao wrote:<br /> Sounds reasonable,
forback-branches. Although I'm still worried we might<br /> miss some corner-case unless we go with a more wholesale
solution.<br/><br /></blockquote><br /> Don't really want to be the intruder here, but isn't that the simple patch<br
/>attached?<br /></blockquote><br /></span> That's not right. Should check *after* the write if the segment was
completed,and close it if so. Like the attached.<span class=""><br /><br /><blockquote class="gmail_quote"
style="margin:00 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> There is still a small window between
XLogWalRcvFlushand<br /> XLogArchiveForceDone in XLogWalRcvWrite if the standby crashes exactly<br /> between them.<br
/></blockquote><br/></span> Yeah. I think we can live with that.<span class="HOEnZb"><font color="#888888"><br
/></font></span></blockquote></div>Justtested this patch with the combo pg_switch_xlog() + stop/immediate and the
apparitionof the .ready files is not fixed.</div><div class="gmail_extra">Regards,<br />-- <br /></div><div
class="gmail_extra">Michael<br/></div></div> 

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