Release Notes for mongosync 1.16

Natural Scan Capability

Starting in version 1.16.0, mongosync supports copy in natural sort order for databases and collections to the destination cluster with the copyInNaturalOrder parameter in the /start API endpoint.

For more information, see /start Request Body Parameters.

Build Indexes After Data Copy

Adds new options for the buildIndexes parameter in the /start API endpoint:

• afterDataCopy option causes mongosync to build indexes on the destination cluster after collection copy, reducing migration time.

• excludeHashedAfterCopy option causes mongosync to build non-hashed indexes on the destination cluster after collection copy.

For more information, see /start Request Body Parameters.

OTel Metrics Logs

Adds new configuration options for OpenTelemetry (OTel) metrics logging when running the mongosync binary:

• disableMetricsLogging to disable the default metrics logging behavior.

• metricsLoggingFilepath to specify the file path for metrics logging.

For more information, see Mongosync Metrics.