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Each Snap in a Pipeline consumes a slot, so Pipelines are only executed on nodes where the number of slots currently in use is below this threshold. Otherwise, the Pipelines fail or are placed in the Queued state, depending on how they are executed. The number of slots-in-use corresponds to the number of active threads on a node, which can be viewed on the Source Copy Monitoring Snaplex Health dashboard Health tab on the SnapLogic Dashboard.
A heuristic to use is that 2000 slots can be allocated per 8GB of RAM available on each Snaplex node. So for nodes with 16GB of RAM, use 4000 as the slot count.
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