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TIBCO iProcess® Engine 11.9.1

# WIS_NEW_ITEM_BATCH_SIZE

WIS and WQS Process Configuration

## Summary

This attribute value defines the number of new item requests to be batched together so more can be processed in a single write lock.

## Applies To

The attribute can be set for a `WIS` process.

## Permissible Values

The attribute value must be an integer between 0 and 500000 where 0 means that batching is not used.

## 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 | 0

## Notes

If you have batching turned on and less than the batch size value number of items come into the queue, then the update thread, when it next wakes up, will process any items batched up. Or, if another RPC request comes in to add a new item that takes the batch size over the configured value, then all items will be processed.

Using this attribute means that incoming items from the `WISMBD` are batched up before the index is updated (similar to pre 10.3 versions). This reduces the load on the system, but does mean that new items take longer to appear in the queue (by at most the WIS_INDEX_REFRESH period of time).

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