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Question

Web Accelerator taking up large amounts of storage

Web Accelerator
Updated July 18, 2018
asked on July 11, 2018

Hello,

We have a client that is noticing that a folder from Web Accelerator is using quite a bit of their storage on their server. Currently, the folder "c:\program files\laserfiche\web accelerator\web files\persistentlayer\image" is using 28.3GB. (See screenshot below.)

 

I tried finding information on this, but couldn't find anything on the support site. Are these files necessary to keep on their system, or can they be removed?

2018-07-11_14-11-26.png
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replied on July 11, 2018

You can configure how much drive space Web Accelerator uses via the configuration page (https://www.laserfiche.com/support/webhelp/Laserfiche/10/en-us/administration/Default.htm#../Subsystems/LFAdmin/Content/Web%20Accelerator/WebAcceleratorConfiguration.htm).  In general, Web Accelerator assumes that it can use all of the machine's resources.

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replied on July 13, 2018

Hi Brian,

Thanks for the response!

We do have one other question on this, if they set the max hard drive space limit to an amount smaller that what is currently specified (and now being used by files in the cache) and save the change, what does the system do to the files already there? I.E. there is more storage being used than what is now specified. Does the system delete files/folders to get the space back to be under what is specified?

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replied on July 13, 2018

It should purge from the cache until it reaches the new level.  I'm not sure what kind of a schedule it will do that on, if it will start immediately or if it will wait a bit.

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replied on July 16, 2018

Hi Brian,

Is there a way to manually restart the service or task that’s scheduled to purge those files? Or if there’s a supported method to manually purge the files.

Last week, they updated the configuration page to take up less space, but it still has not decreased in size on their system over the weekend.

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replied on July 17, 2018

The cache eviction algorithm runs every few minutes and the cache size should be updated as soon as you save the settings, so I'm not sure what would have gone wrong.  It's possible that its internal list of documents has gotten out of sync with what is actually on disk, but I'm not sure how that would happen.  You can reset Web Accelerator's database by stopping the service and renaming the "WebAccelerator.sdf" file.  It should recreate the file on startup.  With the new sdf file it won't know about the existing files on disk and you can delete them.

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replied on July 18, 2018

Thanks for the response! Do you know, is the service only found in the Application Pools of IIS? Or does it go by another name in Services?

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replied on July 18, 2018

You're right, it runs as a web application so the only place to control it is in the IIS application pools interface.

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