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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Trivial Update of "SolrPerformanceProblems" by ShawnHeisey
Date Thu, 20 Oct 2016 15:31:26 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SolrPerformanceProblems" page has been changed by ShawnHeisey:
https://wiki.apache.org/solr/SolrPerformanceProblems?action=diff&rev1=65&rev2=66

Comment:
clarify mention of OOME exception to indicate 'heap space'.

  
  The [[http://docs.oracle.com/cd/E19146-01/821-1834/ggkge/index.html|java heap]] is the memory
that a java program (such as Solr) requires in order to actually run.
  
- You might end up here if you are seeing [[SolrPerformanceFactors#OutOfMemoryErrors|OutOfMemoryError]]
(OOME) exceptions in your log.  If you are seeing this, your Solr install needs more heap
memory than it is allowed to access.  There are '''only''' two choices for dealing with OOME.
 One is to increase the size of the Java heap, the other is to reduce the amount of memory
that Solr needs.
+ You might end up here if you are seeing [[SolrPerformanceFactors#OutOfMemoryErrors|OutOfMemoryError]]
(OOME) exceptions in your log with a message saying there's not enough heap space.  If you
are seeing this, your Solr install needs more heap memory than it is allowed to access.  There
are '''only''' two choices for dealing with OOME.  One is to increase the size of the Java
heap, the other is to reduce the amount of memory that Solr needs.
  
  Certain configurations and conditions in Solr will require a lot of heap memory.  The following
list is incomplete, but in no particular order, these include:
  

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