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https://issues.apache.org/jira/browse/HDFS-10219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lin Yiqun updated HDFS-10219:
-----------------------------
Status: Patch Available (was: Open)
> Change the default value for dfs.namenode.replication.pending.timeout-sec
> from -1 to 300
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-10219
> URL: https://issues.apache.org/jira/browse/HDFS-10219
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Akira AJISAKA
> Assignee: Lin Yiqun
> Priority: Minor
> Attachments: HDFS-10219.001.patch
>
>
> The default value for "dfs.namenode.replication.pending.timeout-sec"
> ({{DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_DEFAULT}}) is -1, but the
> timeout is 5 minutes by default.
> {code:title=BlockManager.java}
> pendingReplications = new PendingReplicationBlocks(conf.getInt(
> DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_KEY,
> DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_DEFAULT) *
> 1000L);
> {code}
> {code:title=PendingReplicationBlocks.java}
> private long timeout = 5 * 60 * 1000;
> private final static long DEFAULT_RECHECK_INTERVAL = 5 * 60 * 1000;
> PendingReplicationBlocks(long timeoutPeriod) {
> if ( timeoutPeriod > 0 ) {
> this.timeout = timeoutPeriod;
> }
> pendingReplications = new HashMap<>();
> timedOutItems = new ArrayList<>();
> }
> {code}
> I'm thinking we can change
> {{DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_DEFAULT}} from -1 to 300 for
> improving readability.
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