Start/notes.ini Parameters/Server_Pool_Tasks

Server_Pool_Tasks

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Parameter: Server_Pool_Tasks
Short description: Number of worker threads in the general server task pool – affects the throughput of background tasks (agents, events, admin requests).

Profile

Parameter
Server_Pool_Tasks
Category
Performance / Memory
Component
Server
Available since
10.0
Supported versions
10.0, 11.0, 12.0, 14.0, 14.5, 14.5.1
GUI equivalent
notes.ini only (no GUI)
Possible values
Integer (default 20; typically 20–200, depending on CPU / RAM)

Description

The Domino server maintains a general worker pool from which agents, events, admin requests, scheduler tasks, and other background tasks draw threads. If this pool is too small, background jobs pile up – typical symptoms: agents start with delay, admin requests are processed slowly, event handlers react sluggishly. Server_Pool_Tasks sets the total size of the pool. On modern multi-core servers with sufficient RAM, the value may be set significantly above the default.

Example configuration

Server_Pool_Tasks=80

Notes & pitfalls

  • Do not raise arbitrarily – each additional thread costs RAM and context switching.
  • Takes effect after a server restart.
  • Monitor with show stat Server.Tasks* and show server.
  • Pairs with Server_MaxConcurrentTrans (front-end load) and Server_MaxSessions.