Solr 1.4 takes long time to load cores (memory leak?)
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Key: SOLR-2138
URL: https://issues.apache.org/jira/browse/SOLR-2138
Project: Solr
Issue Type: Bug
Affects Versions: 1.4
Environment: 8 processors Intel(R) Xeon(R) CPU E5345 @
2.33GHz
Reporter: Renee Sun
1. 32 GB total memory, with 16GB allocated to Solr server.
2. 130 cores, with most cores having 50,000 documents, and 2,3 cores having
1~2.4Million documents (largest core takes about 11GB disk space)
3. in solr 1.3, there was no problem, it took 5,6 minutes to load up all cores.
4. just upgrade to solr 1.4, it takes about 45+ minutes to load all 130 cores.
5. no solrconfig or schema change
6. autowarmCount="0" for all caches
I have monitored the memory with JConsole. The 'queryConverter' warning in
catalina.out file helped me figured out that when about 70 cores were loaded,
the memory usage went from 300MB to 16GB, and stay at that level. Rest of the
cores are loaded up extremely slow.
I find Yonik's fix note for SOLR-1797: fix ConcurrentModificationException and
potential memory
leaks in ResourceLoader. (yonik)
We are in process of upgrading to 1.4.1
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