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Avoid MySQL round trips

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Ian Gulliver
2019-04-15 03:21:19 +00:00
parent 9a1893dfd4
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2011-04-22-avoid-mysql-round-trips.html Normal file
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<!--# set var="title" value="Avoid MySQL round trips" -->
<!--# set var="date" value="April 22, 2011" -->
<!--# include file="include/top.html" -->
<p>100ms (e.g. cross-US) latency to your MySQL server? Running 100,000 statements? That's 3 hours of overhead before you even get to your statement runtime on the server. Quick hack:</p>
<pre><code>mysql&gt; delimiter |
mysql&gt; select 1;
-&gt; select 2;
-&gt; |
+---+
| 1 |
+---+
| 1 |
+---+
1 row in set (0.00 sec)
+---+
| 2 |
+---+
| 2 |
+---+
1 row in set (0.00 sec)
</code></pre>
<!--# include file="include/bottom.html" -->

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<li>2016-Feb-15: <a href="2016-02-15-cable-modem-channel-party.html">Cable modem channel party</a></li>
<li>2016-Feb-01: <a href="2016-02-01-how-to-enrage-your-cable-modem.html">How to enrage your cable modem</a></li>
<li>2016-Feb-01: <a href="2016-02-01-hall-of-2-4-ghz-shame-2016-edition.html">Hall of 2.4 GHz Shame, 2016 Edition</a></li>
<li>2011-Apr-22: <a href="2011-04-22-avoid-mysql-round-trips.html">Avoid MySQL round trips</a></li>
<li>2011-Apr-19: <a href="2011-04-19-video-sharing-sucks.html">Video sharing sucks</a></li>
<li>2011-Apr-01: <a href="2011-04-01-a-new-generation-of-google-mysql-tools.html">A new generation of Google MySQL tools</a></li>
<li>2010-Aug-22: <a href="2010-08-22-net-neutrality.html">Net Neutrality?</a></li>

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<!--# set var="title" value="Avoid MySQL round trips" -->
<!--# set var="date" value="April 22, 2011" -->
<!--# include file="include/top.html" -->
100ms (e.g. cross-US) latency to your MySQL server? Running 100,000 statements? That's 3 hours of overhead before you even get to your statement runtime on the server. Quick hack:
mysql> delimiter |
mysql> select 1;
-> select 2;
-> |
+---+
| 1 |
+---+
| 1 |
+---+
1 row in set (0.00 sec)
+---+
| 2 |
+---+
| 2 |
+---+
1 row in set (0.00 sec)
<!--# include file="include/bottom.html" -->

1
markdown/index.md
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@@ -19,6 +19,7 @@
1. 2016-Feb-15: [Cable modem channel party](2016-02-15-cable-modem-channel-party.html)
1. 2016-Feb-01: [How to enrage your cable modem](2016-02-01-how-to-enrage-your-cable-modem.html)
1. 2016-Feb-01: [Hall of 2.4 GHz Shame, 2016 Edition](2016-02-01-hall-of-2-4-ghz-shame-2016-edition.html)
1. 2011-Apr-22: [Avoid MySQL round trips](2011-04-22-avoid-mysql-round-trips.html)
1. 2011-Apr-19: [Video sharing sucks](2011-04-19-video-sharing-sucks.html)
1. 2011-Apr-01: [A new generation of Google MySQL tools](2011-04-01-a-new-generation-of-google-mysql-tools.html)
1. 2010-Aug-22: [Net Neutrality?](2010-08-22-net-neutrality.html)