[
https://issues.apache.org/jira/browse/HDFS-6934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tsz Wo Nicholas Sze updated HDFS-6934:
--------------------------------------
Description:
Since local RAM is considered reliable we can avoid writing checksums on the
hot path when replicas are being written to a local RAM disk.
The checksum can be computed by the lazy writer when moving replicas to disk.
Environment: (was: Since local RAM is considered reliable we can avoid
writing checksums on the hot path when replicas are being written to a local
RAM disk.
The checksum can be computed by the lazy writer when moving replicas to disk.)
> Move checksum computation off the hot path when writing to RAM disk
> -------------------------------------------------------------------
>
> Key: HDFS-6934
> URL: https://issues.apache.org/jira/browse/HDFS-6934
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Arpit Agarwal
> Assignee: Tsz Wo Nicholas Sze
>
> Since local RAM is considered reliable we can avoid writing checksums on the
> hot path when replicas are being written to a local RAM disk.
> The checksum can be computed by the lazy writer when moving replicas to disk.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
