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TIBCO iProcess® Engine 11.9.1

# WIS and WQS Process Configuration

The following process attributes allow you to configure the behavior of the `WQS` and `WIS` processes.

Attribute | Description
AUDIT_OPENKEEP | Controls whether the Open Work Item and Keep Work Item audit trail entries are enabled.
CCOUNT_CACHE_REFRESH | Enables you to define the refresh period for updating the cached list of cases currently on the system.
IGNORE_PACK_CHANGED | Defines whether users may keep or release work items even if pack data has changed.
RESTART_WIS_CACHE_THRESHOLD | 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.
RETRY_OFF_FOR_RAC | Determines whether to enable the retry function that retrieves work items from the `staffo` database table for the configured Oracle RAC.
RPC_SVR_CONTROL | Allows the batching of RPC calls to reduce the overhead in processing RPC calls individually.
RPC_SVR_NUM_THREADS | Defines the maximum number of threads that the `WIS` and `WQS` processes can use to process RPC requests from client applications.
SHMKEY_ID | Defines the UNIX shared memory key that is allocated (using the ftok system call) when the `WQS` process is started.
WIS_CACHE_POOL_SIZE | Defines the size (in threads) of the pool of threads that is used to perform caching of work queues.
WIS_CACHE_THRESHOLD | Defines the number of items that must exist in a work queue for it to be cached when the `WIS` process starts normally.
WIS_CACHE_WAIT_TIME | Defines the maximum amount of time (in seconds) that an RPC processing thread in the `WIS` process waits for a work queue to be cached.
WIS_CDQP_DATA_RECACHE_BATCH | Defines the number of work items that the `CDQP` update thread will update in a single operation when updating `CDQP` field values for a `WIS` process’ queues.
WIS_CHECK_STAFFO_RETRY_COUNT | Defines the number of times the `WIS` process attempts to retrieve the unfound work items from the `staffo` database table because a delay occurred between two Oracle RAC instances. Note: This attribute is only used on configured Oracle RAC.
WIS_FILTER_THREAD_BOUNDARIES | Defines the count boundary at which a work queue will be split into multiple blocks of work for filtering purposes, based on the number of work items in the queue
WIS_FILTER_THREAD_POOL_SIZE | Defines the number of threads in the queue filtering thread pool, used to process additional blocks of filtering work
WIS_INDEX_REFRESH | Defines the interval (in seconds) after which an index on a queue will be refreshed by a `WIS` process.
WIS_LOCK_NEGOTIATION |
WIS_LOCK_POOL_SIZES | Defines the number of locks in the internal lock pool used by the `WIS` process
WIS_NEW_ITEM_BATCH_SIZE | Defines the number of new item requests to be batched together.
WIS_QCHANGE_EXTENDED_CHECK | Defines whether or not a change in the lock status of a work item is counted as a change to the work item.
WIS_SESSION_TIMEOUT | Defines the timeout period (in seconds) after which a `WIS` process will automatically shut down, starting from the time at which it was last accessed (by a TIBCO iProcess Workspace, SAL application or TIBCO iProcess Objects Server).
WIS_SESSION_TIMEOUT_SHUTDOWN | Defines the timeout period (in seconds) after which a `WIS` process will automatically shut down, starting from the time at which iProcess Engine was shut down.
WIS_UNCACHE_PERIOD | Defines the time (in minutes) after which the cached work queue that waits to be handled by the `WIS` process is cleared from the cache, starting from the time at which the client who last accessed this work queue logs off. Note: This attribute only applies to the work queues that contain work items lesser than the count defined in the `WIS_CACHE_THESHOLD` attribute.
WIS_UPDATE_LENGTH | Defines the maximum amount of time (in seconds) that the queue update thread in the `WIS` process performs updates before going back to the idle state.
WIS_UPDATE_PERIOD | Defines how often the queue update thread in the `WIS` process wakes up and updates the queues handled by the `WIS` process.
WIS_USE_PRIORITY_ESCALATION | Allows the use of priority escalation in the `WIS` process to be disabled.
WQS_GATHER_RPC_STATS | Allows the gathering of RPC call stats within the `WQS` process to be configurable.
WQS_NUM_SEARCH_SLOTS | Defines the maximum number of slots available in the SWRPCMTS multi-threaded RPC server shared library for threads to perform queue searching.
WQS_PERSIST_SHMEM | Defines how often (in seconds) the contents of the WQS/WIS shared memory are written to the `wqs_index` database table.
WQS_SESSION_TIMEOUT | Defines the timeout period (in seconds) after which a WQS process will automatically shut down, starting from the time at which it was last accessed (by a TIBCO iProcess Workspace, SAL application or TIBCO iProcess Objects Server).
WQS_WIS_USER_COUNT | Defines the number of `WIS` processes that should be dedicated to handling user queues and group queues respectively.

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