Re: Explain buffers display units.
От | Greg Smith |
---|---|
Тема | Re: Explain buffers display units. |
Дата | |
Msg-id | 4B79E8D3.1060006@2ndquadrant.com обсуждение исходный текст |
Ответ на | Re: Explain buffers display units. (Greg Stark <stark@mit.edu>) |
Список | pgsql-hackers |
Greg Stark wrote:<br /><blockquote cite="mid:407d949e1002151544y53f6da3dmb7fe7a5b39cce41a@mail.gmail.com" type="cite"><prewrap="">We do *not* display raw block numbers anywhere else. Generally I think we should have a policy of outputing human-readable standard units of memory whenever displaying a memory quantity. Actually I thought we already had that policy, hence things like... </pre></blockquote><br /> The first counter example I thought of is log_checkpointswhich looks like this:<br /><br /><font size="2">LOG: checkpoint complete: wrote 133795 buffers (25.5%); 0transaction log file(s) added, 0 removed, 98 recycled; write=112.281 s, sync=108.809 s, total=221.166 s</font><br /><br/><blockquote cite="mid:407d949e1002151544y53f6da3dmb7fe7a5b39cce41a@mail.gmail.com" type="cite"><pre wrap=""> Probablythe XML schema should include the units as an attribute for each tag so tools don't have to hard-code knowledge about what unit each tag is in. </pre></blockquote><br /> I don't know if it's practical at this point, but it might be helpful for the trulymachine-targeted output formats to include specifically BLCKSZ somewhere in their header--just so there's a universalway to interpret the output even if the user tuned that.<br /><br /><pre class="moz-signature" cols="72">-- Greg Smith 2ndQuadrant US Baltimore, MD PostgreSQL Training, Services and Support <a class="moz-txt-link-abbreviated" href="mailto:greg@2ndQuadrant.com">greg@2ndQuadrant.com</a> <a class="moz-txt-link-abbreviated"href="http://www.2ndQuadrant.us">www.2ndQuadrant.us</a> </pre>
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