Sort on internal lucene ID led to OOM

2020-08-04 Thread sanjay dutt
Hello, We were investigating one HEAP DUMP in which FielsCaceImpl has occupied around 5GB. Upon further investigation, I got to know that FieldCacheImpl$SortedDocValues occupies 90% of the memory where FieldCacheImpl$CacheKey is "id". When I checked the logs I was trying to find any query in

Slow query response from SOLR 5.4.1

2020-08-04 Thread Abhijit Pawar
Hello, I am seeing a performance issue in querying in one of the SOLR servers - instance version 5.4.1. Total number of documents indexed are 20K plus. Data returned for this particular query is just as less as 22 documents however it takes almost 2 minutes to get the results back. Is there a

Re: How to route requests to a specific core of a node hosting multiple shards?

2020-08-04 Thread Jason J Baik
Thanks for looking into this @Erick Erickson. What'd be the proper way to get David Smiley's attention on this issue? A JIRA ticket? As for the performance difference, we haven't had a chance to test it. We're still in the dev phase for migrating to solr 8, so we'll run our benchmarks afterward,

Re: org.apache.lucene.util.fst.FST taking up lot of Java Heap Memory

2020-08-04 Thread Erick Erickson
Possibly https://issues.apache.org/jira/browse/LUCENE-9286? I’m not quite sure whether this only affects 8.5 or not. Also: https://issues.apache.org/jira/browse/LUCENE-8920 and https://issues.apache.org/jira/browse/LUCENE-9398 might be of interest. I have no idea whether these are relevant or

Re: solr classloader and cores

2020-08-04 Thread Vincenzo D'Amore
Hi all, sorry for not being clear in the first instance. What I'm trying to say is, what happens when a core loads a library, are the classes present in the library even available for other cores? I think no. But if there is some sort of encapsulation this should be clear in the documentation. In

solr classloader and cores

2020-08-04 Thread Vincenzo D'Amore
Hi all, I know that Solr allows loading classes by defining the directive into the solrconfig.xml. What it's not clear is if there is a separate (private?) classloader for each core. Is this correct? Best regards, Vincenzo -- Vincenzo D'Amore

Solr-7 CorruptIndexException: checksum failed (hardware problem?)

2020-08-04 Thread slly
Hello everyone, I use the version of Solr-7.7.3. The following error occurred during the index write phase, but after restarting the Solr service, the file was deleted, and access to the index has also been restored. Has anyone ever encountered this mistake? Caused by: