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https://issues.apache.org/jira/browse/HDFS-16848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17654444#comment-17654444
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ASF GitHub Bot commented on HDFS-16848:
---------------------------------------
howzi commented on code in PR #5147:
URL: https://github.com/apache/hadoop/pull/5147#discussion_r1061436260
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/driver/impl/StateStoreZooKeeperImpl.java:
##########
@@ -63,8 +72,17 @@ public class StateStoreZooKeeperImpl extends
StateStoreSerializableImpl {
RBFConfigKeys.FEDERATION_STORE_PREFIX + "driver.zk.";
public static final String FEDERATION_STORE_ZK_PARENT_PATH =
FEDERATION_STORE_ZK_DRIVER_PREFIX + "parent-path";
+ public static final String FEDERATION_STORE_ZK_CLIENT_THREADS_SIZE =
+ FEDERATION_STORE_ZK_DRIVER_PREFIX + "client.size";
+ public static final int FEDERATION_STORE_ZK_CLIENT_THREADS_SIZE_DEFAULT = 10;
+ public static final String FEDERATION_STORE_ZK_CLIENT_CONCURRENT =
+ FEDERATION_STORE_ZK_DRIVER_PREFIX + "client.concurrent";
+ public static final boolean FEDERATION_STORE_ZK_CLIENT_CONCURRENT_DEFAULT =
false;
Review Comment:
Thank you very much for your help! Just fixed all above problems, please
check it again~
> RBF: Improve StateStoreZookeeperImpl
> -------------------------------------
>
> Key: HDFS-16848
> URL: https://issues.apache.org/jira/browse/HDFS-16848
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Sun Hao
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> Currently, router is getting/updating state from zk sequentially. It will
> slowdown router load/update state cache especially for a large cluster or a
> multi region cluster.
> We propose adding a threadpool to deal with zk state synchronization。
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