Author: toad
Date: 2008-03-11 18:04:49 +0000 (Tue, 11 Mar 2008)
New Revision: 18471
Modified:
trunk/freenet/src/freenet/node/Node.java
Log:
Reduce nodesPerScan to 50 to hopefully reduce latency cost.
Modified: trunk/freenet/src/freenet/node/Node.java
===================================================================
--- trunk/freenet/src/freenet/node/Node.java 2008-03-11 18:03:15 UTC (rev
18470)
+++ trunk/freenet/src/freenet/node/Node.java 2008-03-11 18:04:49 UTC (rev
18471)
@@ -1288,8 +1288,8 @@
envConfig.setConfigParam("je.log.faultReadSize", "6144");
//
http://www.oracle.com/technology/products/berkeley-db/faq/je_faq.html#35
envConfig.setConfigParam("je.evictor.lruOnly", "false"); //Is
not a mutable config option and must be set before opening of environment.
- envConfig.setConfigParam("je.evictor.nodesPerScan", "100");
//Is not a mutable config option and must be set before opening of environment.
- // FIXME consider reducing nodesPerScan to reduce maximum
latency. It's a tradeoff between eviction scan accuracy and maximum latency
cost.
+ envConfig.setConfigParam("je.evictor.nodesPerScan", "50");
//Is not a mutable config option and must be set before opening of environment.
+ // Recommended is 100, but smaller values reduce latency cost.
// Tune latency
envConfig.setConfigParam("je.env.backgroundReadLimit", "65536");
