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	<title>Comments for Journal de Jacques</title>
	<atom:link href="http://chester.id.au/comments/feed/" rel="self" type="application/rss+xml" />
	<link>http://chester.id.au</link>
	<description>Stuff I write. Things that happen to me.</description>
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		<title>Comment on Brian&#8217;s Latest Comments doesn&#8217;t scale. by Paul</title>
		<link>http://chester.id.au/2010/08/06/brians-latest-comments-doesnt-scale/comment-page-1/#comment-13521</link>
		<dc:creator>Paul</dc:creator>
		<pubDate>Thu, 12 Aug 2010 04:32:24 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=399#comment-13521</guid>
		<description>Try adding a covering index on COMMENTS to cover all
columns returned.

CREATE INDEX ix_comment_dt ON wp_comments(comment_post_ID, post_title,comment_approved,comment_date DESC);

Check the explain plan, if the temp table and file sort is not removed due to sorting by MAX(comment_date) not just comment_date. You may have to revert to comment_date and wrap the whole thing as a derived table.
ala.
select a.* from (select comment... comments join posts ... order by comment_date DESC) order by max(comment_date)

The hard yards in reducing the dataset are done within the derived table, the sorting on column which can&#039;t be determined until runtime is delayed until the rowset is small enough not to be a performance problem.</description>
		<content:encoded><![CDATA[<p>Try adding a covering index on COMMENTS to cover all<br />
columns returned.</p>
<p>CREATE INDEX ix_comment_dt ON wp_comments(comment_post_ID, post_title,comment_approved,comment_date DESC);</p>
<p>Check the explain plan, if the temp table and file sort is not removed due to sorting by MAX(comment_date) not just comment_date. You may have to revert to comment_date and wrap the whole thing as a derived table.<br />
ala.<br />
select a.* from (select comment&#8230; comments join posts &#8230; order by comment_date DESC) order by max(comment_date)</p>
<p>The hard yards in reducing the dataset are done within the derived table, the sorting on column which can&#8217;t be determined until runtime is delayed until the rowset is small enough not to be a performance problem.</p>
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	</item>
	<item>
		<title>Comment on How to run an opensource project. by Jacques Chester</title>
		<link>http://chester.id.au/2010/04/01/how-to-run-an-opensource-project/comment-page-1/#comment-13492</link>
		<dc:creator>Jacques Chester</dc:creator>
		<pubDate>Thu, 01 Apr 2010 12:33:31 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=376#comment-13492</guid>
		<description>Bonus points are granted for bitching about a project while using its software.</description>
		<content:encoded><![CDATA[<p>Bonus points are granted for bitching about a project while using its software.</p>
]]></content:encoded>
	</item>
	<item>
		<title>Comment on Google develops moral minerals by google将从”中国队“”被退役“再追踪 &#124; 文通博客</title>
		<link>http://chester.id.au/2010/01/13/google-develops-moral-minerals/comment-page-1/#comment-13450</link>
		<dc:creator>google将从”中国队“”被退役“再追踪 &#124; 文通博客</dc:creator>
		<pubDate>Wed, 13 Jan 2010 13:14:07 +0000</pubDate>
		<guid isPermaLink="false">http://clubtroppo.com.au/?p=10029#comment-13450</guid>
		<description>[...] Journal de Jacques :: Google develops moral minerals [...]</description>
		<content:encoded><![CDATA[<p>[...] Journal de Jacques :: Google develops moral minerals [...]</p>
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	<item>
		<title>Comment on Two things I like about my resume by Jacques Chester</title>
		<link>http://chester.id.au/2010/01/12/two-things-i-like-about-my-resume/comment-page-1/#comment-13449</link>
		<dc:creator>Jacques Chester</dc:creator>
		<pubDate>Wed, 13 Jan 2010 06:08:23 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=329#comment-13449</guid>
		<description>You and your high tech devilry!</description>
		<content:encoded><![CDATA[<p>You and your high tech devilry!</p>
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	</item>
	<item>
		<title>Comment on Two things I like about my resume by Tim Andrews</title>
		<link>http://chester.id.au/2010/01/12/two-things-i-like-about-my-resume/comment-page-1/#comment-13448</link>
		<dc:creator>Tim Andrews</dc:creator>
		<pubDate>Tue, 12 Jan 2010 18:22:54 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=329#comment-13448</guid>
		<description>Hey, some of us read it through an RSS feed, so not on either FB OR on your blog! :-p</description>
		<content:encoded><![CDATA[<p>Hey, some of us read it through an RSS feed, so not on either FB OR on your blog! :-p</p>
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	<item>
		<title>Comment on Moving a database from WordPress to WordPress Mu by Journal de Jacques :: Automated backups for Ozblogistan</title>
		<link>http://chester.id.au/2009/12/16/moving-a-database-from-wordpress-to-wordpress-mu/comment-page-1/#comment-13444</link>
		<dc:creator>Journal de Jacques :: Automated backups for Ozblogistan</dc:creator>
		<pubDate>Mon, 11 Jan 2010 04:00:54 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=288#comment-13444</guid>
		<description>[...] two key features to note. Firstly, the use of the &#8211;default-character-set option, necessary to circumvent MySQL retardation. Secondly, the use of the &#8211;defaults-extra-file option to import settings from a custom [...]</description>
		<content:encoded><![CDATA[<p>[...] two key features to note. Firstly, the use of the &#8211;default-character-set option, necessary to circumvent MySQL retardation. Secondly, the use of the &#8211;defaults-extra-file option to import settings from a custom [...]</p>
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		<title>Comment on Too many books by Jacques Chester</title>
		<link>http://chester.id.au/2010/01/10/too-many-books/comment-page-1/#comment-13443</link>
		<dc:creator>Jacques Chester</dc:creator>
		<pubDate>Mon, 11 Jan 2010 02:13:16 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=321#comment-13443</guid>
		<description>The problem is that none of what I want from Amazon is in the public domain. For those books I do in fact just go straight to Gutenberg.</description>
		<content:encoded><![CDATA[<p>The problem is that none of what I want from Amazon is in the public domain. For those books I do in fact just go straight to Gutenberg.</p>
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		<title>Comment on Too many books by Dave Bath</title>
		<link>http://chester.id.au/2010/01/10/too-many-books/comment-page-1/#comment-13441</link>
		<dc:creator>Dave Bath</dc:creator>
		<pubDate>Sun, 10 Jan 2010 01:59:05 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=321#comment-13441</guid>
		<description>Straw man project proposal(s):
(A)
* PostgreSQL database of &quot;books to read&quot;
* Database (plperlu, etc) procedures that
** Looks up availability, espec in Project Gutenberg, etc
** Retrieves text
* Put database procedure in
** Scheduled job
** On-insert / on-update triggers

(B)
* GoogleApp that does something similar, but
** Search/retrieves manually invoked
** Successful retrieval emails as attachment to you

(A) and (B) could be combined/co-operate

You should be able to do doc format munges to get a doc into preferred reading formats, whether eText or for hard copy (even on 2 or 4 up double sided).</description>
		<content:encoded><![CDATA[<p>Straw man project proposal(s):<br />
(A)<br />
* PostgreSQL database of &#8220;books to read&#8221;<br />
* Database (plperlu, etc) procedures that<br />
** Looks up availability, espec in Project Gutenberg, etc<br />
** Retrieves text<br />
* Put database procedure in<br />
** Scheduled job<br />
** On-insert / on-update triggers</p>
<p>(B)<br />
* GoogleApp that does something similar, but<br />
** Search/retrieves manually invoked<br />
** Successful retrieval emails as attachment to you</p>
<p>(A) and (B) could be combined/co-operate</p>
<p>You should be able to do doc format munges to get a doc into preferred reading formats, whether eText or for hard copy (even on 2 or 4 up double sided).</p>
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	</item>
	<item>
		<title>Comment on Musos and Masters by Jacques Chester</title>
		<link>http://chester.id.au/2009/12/29/musos-and-masters/comment-page-1/#comment-13440</link>
		<dc:creator>Jacques Chester</dc:creator>
		<pubDate>Sun, 10 Jan 2010 01:21:13 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=307#comment-13440</guid>
		<description>I definitely agree with you about the virtues of our elder buildings. Down the road from where I live is the old Midland Rail Yard, complete with its three massive worksheds.

They&#039;re utterly functional buildings. My Dad and I looked inside and he pointed out that all three are massively over-engineered so that they can bear the load of entire rail cars and engines being lifted and moved by cranes.

Yet they are quite beautiful buildings. Simple flourishes make them really very attractive.

My profession is very young, and already we have a rolling institutional amnesia that prevents us from remembering anything that happened more than 5 years ago. So when we forget the lessons of the 90s, 80s, 70s,60s and 50s -- well, only a few greybeards really grizzle about it.

But architecture is a field with a 10,000 year pedigree, yet modern architects seem utterly determined to reject all the virtues and rediscover all the follies &lt;em&gt;ab initio&lt;/em&gt;. It&#039;s thoroughly depressing for such an august and noble profession.</description>
		<content:encoded><![CDATA[<p>I definitely agree with you about the virtues of our elder buildings. Down the road from where I live is the old Midland Rail Yard, complete with its three massive worksheds.</p>
<p>They&#8217;re utterly functional buildings. My Dad and I looked inside and he pointed out that all three are massively over-engineered so that they can bear the load of entire rail cars and engines being lifted and moved by cranes.</p>
<p>Yet they are quite beautiful buildings. Simple flourishes make them really very attractive.</p>
<p>My profession is very young, and already we have a rolling institutional amnesia that prevents us from remembering anything that happened more than 5 years ago. So when we forget the lessons of the 90s, 80s, 70s,60s and 50s &#8212; well, only a few greybeards really grizzle about it.</p>
<p>But architecture is a field with a 10,000 year pedigree, yet modern architects seem utterly determined to reject all the virtues and rediscover all the follies <em>ab initio</em>. It&#8217;s thoroughly depressing for such an august and noble profession.</p>
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		<title>Comment on Musos and Masters by Nicholas Gruen</title>
		<link>http://chester.id.au/2009/12/29/musos-and-masters/comment-page-1/#comment-13439</link>
		<dc:creator>Nicholas Gruen</dc:creator>
		<pubDate>Sun, 10 Jan 2010 00:52:09 +0000</pubDate>
		<guid isPermaLink="false">http://chester.id.au/?p=307#comment-13439</guid>
		<description>Another way of looking at this is that modern times fetishise the hero.  In art and architecture and I suspect music though I know way too little to be confident, one used to work with a master and be inducted into a whole style whereupon one then worked within it - and as at a few hundred years ago, it became a touchstone of genius to extend that style in some way.  

But this idea of working within and perhaps extending a style gave way to iconoclasm in the twentieth century.  The artist broke the mould - to invoke one cliche.  And so we got an art and architecture of heroism. How heroic could one artist be?  How many styles could they trash, transcend and so on.  

The greatest disaster was in architecture for some reason I&#039;m not sure of, but the hit rate of substantial buildings or even houses that look really nice went from around 80% to about 1%.  A very sad state of affairs. I can think of only one building built since the 60s in a modernist style that I think of as a complete raging success - and that&#039;s the Sydney Opera House (and then only the outside bit that Utzon completed).  There are of course others that could be pointed out to me I&#039;m sure, but I can&#039;t think of them right now.  

On the other hand it&#039;s hard to think of a public building built before around 1940 that isn&#039;t somewhere between lovely and ravishingly beautiful - from pretty much any old railway station or post office and any number of terrace houses - Queanbeyan and Albury Railway Stations are faves - to the Legislative Council in Melbourne - or Burley Griffin&#039;s Dining Hall at Newman College in Melbourne.</description>
		<content:encoded><![CDATA[<p>Another way of looking at this is that modern times fetishise the hero.  In art and architecture and I suspect music though I know way too little to be confident, one used to work with a master and be inducted into a whole style whereupon one then worked within it &#8211; and as at a few hundred years ago, it became a touchstone of genius to extend that style in some way.  </p>
<p>But this idea of working within and perhaps extending a style gave way to iconoclasm in the twentieth century.  The artist broke the mould &#8211; to invoke one cliche.  And so we got an art and architecture of heroism. How heroic could one artist be?  How many styles could they trash, transcend and so on.  </p>
<p>The greatest disaster was in architecture for some reason I&#8217;m not sure of, but the hit rate of substantial buildings or even houses that look really nice went from around 80% to about 1%.  A very sad state of affairs. I can think of only one building built since the 60s in a modernist style that I think of as a complete raging success &#8211; and that&#8217;s the Sydney Opera House (and then only the outside bit that Utzon completed).  There are of course others that could be pointed out to me I&#8217;m sure, but I can&#8217;t think of them right now.  </p>
<p>On the other hand it&#8217;s hard to think of a public building built before around 1940 that isn&#8217;t somewhere between lovely and ravishingly beautiful &#8211; from pretty much any old railway station or post office and any number of terrace houses &#8211; Queanbeyan and Albury Railway Stations are faves &#8211; to the Legislative Council in Melbourne &#8211; or Burley Griffin&#8217;s Dining Hall at Newman College in Melbourne.</p>
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