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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. I
use tcpdump to capture the packet of read request, just as the image shows. The
first 10 GET requests arrive from 3.54 second to 3.56 second. But the next 14
GET requests arrive from 4.41 second to 12.23 second. I think the reason is in
aws-cli.
!screenshot-3.png!
was:
By s3gateway, write a 187MB file cost 5 seconds, but read it cost 17 seconds. I
use tcpdump to capture the packet of read request, just as the image shows. The
first 10 GET requests arrive from 3.54 second to 3.56 second. But the next 14
GET requests arrive from 4.41 second to 12.23 second.
!screenshot-3.png!
> 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
> Attachments: screenshot-1.png, screenshot-2.png, screenshot-3.png
>
>
> By s3gateway, write a 187MB file cost 5 seconds, but read it cost 17 seconds.
> I use tcpdump to capture the packet of read request, just as the image shows.
> The first 10 GET requests arrive from 3.54 second to 3.56 second. But the
> next 14 GET requests arrive from 4.41 second to 12.23 second. I think the
> reason is in aws-cli.
> !screenshot-3.png!
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