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https://issues.apache.org/jira/browse/HDFS-13099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-13099:
-----------------------------
Attachment: HDFS-13099.005.patch
> RBF: Use the ZooKeeper as the default State Store
> -------------------------------------------------
>
> Key: HDFS-13099
> URL: https://issues.apache.org/jira/browse/HDFS-13099
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: documentation
> Affects Versions: 3.0.0
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Labels: incompatible, incompatibleChange
> Attachments: HDFS-13099.001.patch, HDFS-13099.002.patch,
> HDFS-13099.003.patch, HDFS-13099.004.patch, HDFS-13099.005.patch
>
>
> Currently the State Store Driver relevant settings only written in its
> implement classes.
> {noformat}
> public class StateStoreZooKeeperImpl extends StateStoreSerializableImpl {
> ...
> /** Configuration keys. */
> public static final String FEDERATION_STORE_ZK_DRIVER_PREFIX =
> DFSConfigKeys.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_PARENT_PATH_DEFAULT =
> "/hdfs-federation";
> ..
> {noformat}
> Actually, they should be moved into class {{DFSConfigKeys}} and documented in
> file {{hdfs-default.xml}}. This will help more users know these settings and
> know how to use.
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