Github user shroman commented on a diff in the pull request:
https://github.com/apache/incubator-rocketmq/pull/61#discussion_r101706230
--- Diff: common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java
---
@@ -47,6 +47,7 @@
private boolean autoCreateSubscriptionGroup = true;
private String messageStorePlugIn = "";
+ //thread counts for sending message, if large number threads are
needed, we suggest setting useReentrantLockWhenPutMessage=true(in
MessageStoreConfig)
--- End diff --
> OS is getting so smart that things may have changed considerably.
Exactly. That is why I wouldn't make such a suggestion in the code. You
cannot bet it would perform better when you switch to lock mutex.
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