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Clarify Javadoc comment regarding CacheSegment locks

This commit is contained in:
Jason Tedor 2015-10-07 10:36:05 -04:00
parent bde4889daf
commit 0fb908178d
1 changed files with 1 additions and 1 deletions
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2
core/src/main/java/org/elasticsearch/common/cache/Cache.java vendored
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@ -40,7 +40,7 @@ import java.util.function.ToLongBiFunction;
* evictions are exposed.
* <p>
* The design of the cache is relatively simple. The cache is segmented into 256 segments which are backed by HashMaps.
* The segments are protected by a re-entrant read/write lock. The read/write locks permit multiple concurrent readers
* Each segment is protected by a re-entrant read/write lock. The read/write locks permit multiple concurrent readers
* without contention, and the segments gives us write throughput without impacting readers (so readers are blocked only
* if they are reading a segment that a writer is writing to).
* <p>