Github user vrozov commented on a diff in the pull request:
https://github.com/apache/apex-core/pull/350#discussion_r70151318
--- Diff:
bufferserver/src/main/java/com/datatorrent/bufferserver/server/Server.java ---
@@ -169,7 +168,7 @@ public String toString()
return identity;
}
- private final HashMap<String, DataList> publisherBuffers = new
HashMap<String, DataList>();
+ private final ConcurrentHashMap<String, DataList> publisherBuffers = new
ConcurrentHashMap<String, DataList>();
--- End diff --
Please use 1 for concurrency level instead of default 16. There is only one
thread that modifies publisherBuffers. Use default 0.75f for the load factor
and 1 as the initial capacity.
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