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Valid values are 0 through 100.

When free disk space falls below the specified value, files are automatically purged until the specified percentage of free disk space is reached.

FSC_MaxCacheAgeDays 3650 Specifies (in days) the maximum time a file is not accessed. Cache files not accessed in the specified time are purged from the whole file cache.

Valid values are 0 through 3650.

Any files not accessed within the specified time are purged during the next scheduled purge.

FSC_WholeFilePurge PeriodMinutes

240 Specifies the time (in minutes) between background cache purge cycles. Valid values are 0 through 10080. Set to 0 to run the background purge process continuously.

If a background purge cycle exceeds the specified time, one more purge cycles are skipped as necessary to maintain the specified schedule.

FSC_WholeFilePurgeInitial WaitMinutes

0 Specifies the time (in minutes) to wait after starting the FSC before starting the first background cache purge cycle.

Valid values are -1 through 2880. Set to -1 to disable the background purge process. To run the background cache purge cycle as an overnight cron job, set this parameter to -1 to disable the automatic background cache purge, and then use a cron job to run the purgeFSCWholeFileCache script. The script is generated by the FSC on startup and stored in the FSC cache directory. The script uses theFSCWholeFileCacheUtil command line utility to purge the cache. For more information, seeMaintaining the FSC whole file cache.

FSC read cache parameters

Name Default value Description

FSC_ReadCache Location

$HOME\FSCCache|/tmp/FSCCache Defines the read cache location. The

value is entered through Teamcenter Environment Manager during FSC installation.

Modify the value either by running Teamcenter Environment Manager in maintenance mode or by manually editing the fmsmaster.xml file. All cache directories must be on a local hard disk. Cache directories cannot be on a file share directory or a mapped drive.

FSC_MaximumReadCache FilePages

40960 Defines maximum number of file pages in the read cache. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_MaximumReadCache Segments

9216 Defines the maximum number of read

cache segments. For more information about recommended values, see Overview of FMS fast cache methods.

FSC_ReadCacheHash BlockPages

2048 Defines the maximum number of

hash block pages. Each hash block contains 128 hash entries. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_MaximumReadCache ExtentFiles

3 Defines the maximum number of

read cache extent files. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_MaximumReadCache ExtentFileSizeMegabytes

256 Defines the size (in megabytes) of

read cache extent files. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_ReadCache PurgePolicy

age Ignored. Reserved for future use.

FSC write cache parameters

Name Default value Description

FSC_WriteCacheLocation $HOME\FSCCache|/tmp/FSCCache Defines the write cache location. The value is entered through Teamcenter Environment Manager during FSC installation.

Modify the value either by running Teamcenter Environment Manager in maintenance mode or by manually editing the fmsmaster.xml file. All cache directories must be on a local hard disk. Cache directories cannot be

Name Default value Description

on a file share directory or a mapped drive.

FSC_MaximumWriteCache FilePages

40960 Defines maximum number of file pages in the write cache. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_MaximumWriteCache Segments

9216 Defines the maximum number of write

cache segments. For more information about recommended values, see Overview of FMS fast cache methods.

FSC_WriteCacheHash BlockPages

2048 Defines the maximum number of hash

block pages. Each hash block contains 128 hash entries. For more information about recommended values, see Overview of FMS fast cache methods.

FSC_MaximumWriteCache ExtentFiles

3 Defines the maximum number of

write cache extent files. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_MaximumWriteCache ExtentFileSizeMegabytes

256 Defines the size (in megabytes) of

write cache extent files. For more information about recommended values, seeOverview of FMS fast cache methods.

FSC_WriteCache PurgePolicy

age Ignored. Reserved for future use.

FSC internal cache parameters for idle file handles

Name Default value Description

FSC_MaximumIdleFile Handles

100 Defines the maximum number of idle file

handles the server can cache.

FSC_MaximumIdleFile HandlesPerFile

5 Defines the maximum number of cached idle file

handles allowed for a single file.

FSC_MaximumIdleFile HandleAgeMs

10000 Defines the amount of time (in milliseconds) an idle file handle remains open before being closed. Siemens PLM Software recommends the value be set between 1000 to 10000 ms.

FSC internal cache parameters for ticket caches

Name Default value Description

FSC_MaximumCached Tickets

500 Defines the maximum number of valid tickets

cached. Use this parameter to reduce the need to revalidate a valid ticket on a repeated request.

WebRAID FSC tuning parameters

Name Default value Description

FSC_WebRaidThreshold 32K Defines the minimum request size for WAN acceleration. WAN acceleration is provided by WebRAID. Requests smaller than this value use traditional (unaccelerated) LAN transports.

FSC_WebRaidDownloader ConnectTimeoutMs

20000 Defines the amount of time (in milliseconds) of the initial connect timeout.

FSC_WebRaidDownloader SlotRatio

3 Tuning parameter for WebRAID

internal workings. WebRAID documentation recommends this value.

WebRAID downloaders are more difficult to create and maintain than traditional LAN downloaders. You can use a cache of WebRAID downloaders to help reduce the number of instances that must be created. The following table lists the values available for WebRAID instance cache parameters.

Name Default value Description

FSC_MaximumIdleWebRaid Downloaders

20 Defines the maximum number of idle

downloaders. An idle downloader is a downloader not currently in use that can be used on a new, incoming request.

FSC_MaximumWebRaid Downloaders

30 Defines the maximum number of

WebRAID downloaders.

FSC_MaximumIdleWebRaid DownloaderAgeMs

15000 Defines the lifetime of an idle WebRAID downloader. Idle downloaders that exceed the specified timeout limit are disposed of.