Avoid MySQL round trips

markdown/2011-04-22-avoid-mysql-round-trips.md

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+<!--# set var="date" value="April 22, 2011" -->
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+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)
+
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