[GNUnet-SVN] r15172 - gnunet/src/datastore

[gnunet]

Author: grothoff
Date: 2011-05-06 14:25:50 +0200 (Fri, 06 May 2011)
New Revision: 15172

Added:
   gnunet/src/datastore/selectrandom.sql
Modified:
   gnunet/src/datastore/perf_plugin_datastore.c
Log:
idea

Modified: gnunet/src/datastore/perf_plugin_datastore.c
===================================================================
--- gnunet/src/datastore/perf_plugin_datastore.c        2011-05-06 12:23:07 UTC 
(rev 15171)
+++ gnunet/src/datastore/perf_plugin_datastore.c        2011-05-06 12:25:50 UTC 
(rev 15172)
@@ -37,7 +37,7 @@
  * those take too long to run them in the usual "make check"
  * sequence.  Hence the value used for shipping is tiny.
  */
-#define MAX_SIZE 1024LL * 1024 * 32
+#define MAX_SIZE 1024LL * 1024 * 16
 
 #define ITERATIONS 2
 

Added: gnunet/src/datastore/selectrandom.sql
===================================================================
--- gnunet/src/datastore/selectrandom.sql                               (rev 0)
+++ gnunet/src/datastore/selectrandom.sql       2011-05-06 12:25:50 UTC (rev 
15172)
@@ -0,0 +1,9 @@
+select *
+from (select random() as v from (values(1))) t1,
+     (select max(repl) as m from data) t2,
+     (select * from data
+      where repl=t2.m and
+            rnd>=t.v
+      order by rnd
+      limit 1)
+