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Posted to dev@lucene.apache.org by "Dirk Högemann (JIRA)" <ji...@apache.org> on 2014/11/06 14:15:34 UTC
[jira] [Created] (SOLR-6710) EarlyTerminatingCollectorException
thrown during auto-warming
Dirk Högemann created SOLR-6710:
-----------------------------------
Summary: EarlyTerminatingCollectorException thrown during auto-warming
Key: SOLR-6710
URL: https://issues.apache.org/jira/browse/SOLR-6710
Project: Solr
Issue Type: Bug
Affects Versions: 4.10.1
Environment: Solaris, Solr in multicore-setup
Reporter: Dirk Högemann
Priority: Minor
Our production Solr-Slaves-Cores (we have about 40 Cores (each has a moderate size about 10K documents to 90K documents)) produce many exceptions of type:
014-11-05 15:06:06.247 [searcherExecutor-158-thread-1] ERROR org.apache.solr.search.SolrCache: Error during auto-warming of key:org.apache.solr.search.QueryResultKey@62340b01:org.apache.solr.search.EarlyTerminatingCollectorException
Our relevant solrconfig is
<updateHandler class="solr.DirectUpdateHandler2">
<autoCommit>
<maxTime>180000</maxTime><!-- in ms -->
</autoCommit>
</updateHandler>
<query>
<maxWarmingSearchers>2</maxWarmingSearchers>
<filterCache
class="solr.FastLRUCache"
size="8192"
initialSize="8192"
autowarmCount="4096"/>
<!-- queryResultCache caches results of searches - ordered lists of
document ids (DocList) based on a query, a sort, and the range
of documents requested. -->
<queryResultCache
class="solr.FastLRUCache"
size="8192"
initialSize="8192"
autowarmCount="4096"/>
<!-- documentCache caches Lucene Document objects (the stored fields for each document).
Since Lucene internal document ids are transient, this cache will not be autowarmed. -->
<documentCache
class="solr.FastLRUCache"
size="8192"
initialSize="8192"
autowarmCount="4096"/>
</query>
Answer from List (Mikhail Khludnev):
https://github.com/apache/lucene-solr/blob/20f9303f5e2378e2238a5381291414881ddb8172/solr/core/src/java/org/apache/solr/search/SolrIndexSearcher.java#L522
at least this ERRORs broke nothing see
https://github.com/apache/lucene-solr/blob/20f9303f5e2378e2238a5381291414881ddb8172/solr/core/src/java/org/apache/solr/search/FastLRUCache.java#L165
anyway, here are two usability issues:
- of key:org.apache.solr.search.QueryResultKey@62340b01 lack of readable
toString()
- I don't think regeneration exceptions are ERRORs, they seem WARNs for me
or even lower. also for courtesy, particularly
EarlyTerminatingCollectorExcepions can be recognized, and even ignored,
providing SolrIndexSearcher.java#L522
-> Maybe the log-level could be set to info/warn, if there are no implications on the functionality?
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