We are migrating from Solr 3.5 to Solr 4.2.
After some performance testing, we found 4.2's memory usage is a lot higher
than 3.5. Our 12GM max heap process used to handle the test pretty well with
3.5. while, with 4.2, the same test runs into serious GC half way (20
minutes) into the test.
Anyone
No, exactly the same JVM of Java6
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Here is the JVM info:
$ java -version
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
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We have master/slave setup. We disabled autocommits/autosoftcommits. So the
slave only replicates from master and serve query. Master does all the
indexing and commit every 5 minutes. Slave polls master every 2.5 minutes
and does replication.
Both tests with Solr 3.5 and 4.2 was run with the same
Hi,
Does anyone know what the default scorer for 4.10 is? BM25 or classic
tf-idf?
I have been trying to change that, in cloud mode. I have managed to change
the schema.xml in the zookeeper to add the following lines:
The commented line was also tried. So I have tried different syntax, usin
I got the debug info like this. It turns out that queryNorm is
negative so the total solr score is negative too. It is not really a
problem for me. But I'm curious why it can even be negative after
reading its definition (1/sumOfSquaredWeights)?
-1.1151254E-4 = (MATCH) product of:
-0.0032338637
