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Low-Latency Match Service

Tune performance of the low-latency match service.

Beginning with v.2020.001, parts of the Low-Latency Match service use port 9170. To use the service, open this port.

Configuring Low-Latency Match Service

  • Throughput is the total time to match a set of records.
  • Latency is the total time between request and first response.

To tune throughput and latency for the Low-Latency Match Service:

  1. Set the value of the configuration variable TAMR_LLM_BATCH_SIZE to the expected largest batch size using the administration utility. See Creating or Updating a Configuration Variable.
    The default value is 1000.
  • A lower value reduces latency while decreasing throughput.
  • A higher value increases latency while increasing throughput.
  1. Restart Tamr and its dependencies. See Restarting.

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