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https://issues.apache.org/jira/browse/HADOOP-13452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15507731#comment-15507731
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Mingliang Liu commented on HADOOP-13452:
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{quote}
I do that. This code looks the same as mine, except I do not override load
factor to 1.0 (which saves space at expense of runtime).
{quote}
The point I was making is about the access order of the LinkedHashMap.
{{super(initialCapacity);}} by default, is using the insert order.
{{super(maxEntries + 1, 1.0f, true);}} along with the overridden
{{removeEldestEntry()}} will just make a LruCache. Sorry I should not have
mentioned {{removeEldestEntry()}} as your patch is pretty good regarding that.
If your motivation is about flexibility, I think it makes sense. Thanks.
> S3Guard: Implement access policy for intra-client consistency with in-memory
> metadata store.
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-13452
> URL: https://issues.apache.org/jira/browse/HADOOP-13452
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Chris Nauroth
> Assignee: Aaron Fabbri
> Attachments: HADOOP-13452.001.patch
>
>
> Implement an S3A access policy based on an in-memory metadata store. This
> can provide consistency within the same client without needing to integrate
> with an external system.
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