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https://issues.apache.org/jira/browse/HDDS-3223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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runzhiwang updated HDDS-3223:
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Description: By s3gateway, write a 187MB file cost 5 seconds, but read it
cost 17 seconds. The write and read request both split the 187MB file into 24
parts, write request write all the 24 parts in parallel, read request read 10
parts in parallel and then read the left 14 parts in sequential. So read cost 2
times more than write. (was: By s3gateway, write a 187MB file cost 5 seconds,
but read it cost 17 seconds. The write and read request both split the 187MB
file into 24 parts, write request write all the 24 parts in parallel, the read
request read 10 parts in parallel and then read the left 14 parts in
sequential. So read cost 2 times more than write.)
> Read a big object cost 2 times more than write it by s3g
> --------------------------------------------------------
>
> Key: HDDS-3223
> URL: https://issues.apache.org/jira/browse/HDDS-3223
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
>
> By s3gateway, write a 187MB file cost 5 seconds, but read it cost 17 seconds.
> The write and read request both split the 187MB file into 24 parts, write
> request write all the 24 parts in parallel, read request read 10 parts in
> parallel and then read the left 14 parts in sequential. So read cost 2 times
> more than write.
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