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TIBCO iProcess® Engine 11.10.0

# RESTART_WIS_CACHE_THRESHOLD

WIS and WQS Process Configuration

## Summary

This attribute defines the number of items that must exist in a work queue for it to be cached when the `WIS` process restarts or quick starts.

## Applies To

This attribute can only be used when a `WIS` process restarts or quick starts.

## Permissible Values

This attribute must be an integer in the range `0` to `500000`.

## Default Value

This attribute is not defined on a newly installed iProcess Engine node. In this case, the default value is:

Machine ID | Process | Instance | Value
0 | WIS | 0 | 1000

This attribute only appears in the output of the `SHOW_ALL_ATTRIBUTES` command if you have explicitly assigned a value to it using the `SET_ATTRIBUTE` command. The default setting is not displayed.

## Notes

A queue is usually cached in the following two situations:

| • | When the `WIS` process first handles the queue (either on startup or after a MoveSysInfo operation).

| • | When the queue is first accessed by a client application.

This attribute is only used when the `WIS` process restarts or quick starts in conjunction with the `WISCACHE` queue attribute to control whether a queue is cached:

| • | If the value of `WISCACHE` is set to `YES`, the `WIS` process caches the queue (irrespective of how many work items there are in the queue).

| • | If `WISCACHE` is not created or set, the `WIS` process caches the queue when the number of work items in the queue equals or exceeds the value of the `RESTART_WIS_CACHE_THRESHOLD` attribute.

See Configuring When WIS Processes Cache Their Queues for more information.

## See Also

WIS_CACHE_THRESHOLD, WIS_CACHE_POOL_SIZE, WIS_CACHE_WAIT_TIME

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