szetszwo commented on a change in pull request #267:
URL: https://github.com/apache/incubator-ratis/pull/267#discussion_r520985260
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File path:
ratis-server/src/main/java/org/apache/ratis/server/RaftServerConfigKeys.java
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@@ -410,7 +410,7 @@ static void setRetentionFileNum(RaftProperties properties,
int numSnapshotFilesR
String PREFIX = RaftServerConfigKeys.PREFIX + ".data-stream";
String ASYNC_THREAD_POOL_SIZE_KEY = PREFIX + ".async.thread.pool.size";
- int ASYNC_THREAD_POOL_SIZE_DEFAULT = 4;
+ int ASYNC_THREAD_POOL_SIZE_DEFAULT = 16;
Review comment:
Choose 16 for a value close to the number of cores of a machine; 4 seems
too small. For large value like 500, it might be good for application like
Ozone but the value is too large for general applications.
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