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https://issues.apache.org/jira/browse/HDFS-1572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Homan updated HDFS-1572:
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Status: Patch Available (was: Open)
re-triggering hudson.
> Checkpointer should trigger checkpoint with specified period.
> -------------------------------------------------------------
>
> Key: HDFS-1572
> URL: https://issues.apache.org/jira/browse/HDFS-1572
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.22.0
> Reporter: Liyin Liang
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: 1527-1.diff, 1572-2.diff, HDFS-1572-2.patch,
> HDFS-1572.patch
>
>
> {code:}
> long now = now();
> boolean shouldCheckpoint = false;
> if(now >= lastCheckpointTime + periodMSec) {
> shouldCheckpoint = true;
> } else {
> long size = getJournalSize();
> if(size >= checkpointSize)
> shouldCheckpoint = true;
> }
> {code}
> {dfs.namenode.checkpoint.period} in configuration determines the period of
> checkpoint. However, with above code, the Checkpointer triggers a checkpoint
> every 5 minutes (periodMSec=5*60*1000). According to SecondaryNameNode.java,
> the first *if* statement should be:
> {code:}
> if(now >= lastCheckpointTime + 1000 * checkpointPeriod) {
> {code}
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