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https://issues.apache.org/jira/browse/SLING-1872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-1872.
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> Web Console Request Log display unusable under load
> ---------------------------------------------------
>
> Key: SLING-1872
> URL: https://issues.apache.org/jira/browse/SLING-1872
> Project: Sling
> Issue Type: Bug
> Components: Engine
> Affects Versions: Engine 2.1.0
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Engine 2.2.0
>
>
> The Web Console plugin to list the recent requests processed by Sling does
> not properly work.
> This plugin internally uses a rotating buffer of recent requests and displays
> information about these buffer entries. Access to a single entry then takes
> place with the numeric index into this buffer. This of course fails under
> load when the rotating buffer is constantly being overwritten.
> We should devise another mechanism to show information on requests. One
> option would be an LRU Cache, which is indexed by some unique key, which is
> never reused (may well be a steadily growing number, of course). Requests
> then happen by using the key.
> Under load the plugin can then either cope by allowing a bigger cache size
> (e.g. temporarily increasing the size) but at least handle the case of a
> request having fallen off the cache more gracefully.
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