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https://issues.apache.org/jira/browse/HDFS-12537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lokesh Jain updated HDFS-12537:
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Attachment: HDFS-12537-HDFS-7240.001.patch
This patch adds two options in Corona: -
# optimizedWrites - This option enables usage of single randomly generated key
value for all the keys to be created. Even if the option is not provided then
only a part of the key value is changed for keys and rest is kept same for all
the keys.
# jsonDir - This option creates a json in the provided directory. The json
stores some stats like volumeCreationTime, keyCreationTime etc.
> Ozone: Reduce key creation overhead in Corona
> ---------------------------------------------
>
> Key: HDFS-12537
> URL: https://issues.apache.org/jira/browse/HDFS-12537
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Lokesh Jain
> Assignee: Lokesh Jain
> Attachments: HDFS-12537-HDFS-7240.001.patch
>
>
> Currently Corona creates random key values for each key. This creates a lot
> of overhead. An option should be provided to use a single key value.
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