progress-response.rst

Field	Type	Description
state	string	The current state of mongosync. For information on the possible states, see :ref:`c2c-states-descriptions`.
canCommit	boolean	If true, indicates that a :ref:`commit <c2c-api-commit>` request will succeed. This also means that the initial sync has completed and is applying change events.
canWrite	boolean	If true, indicates that writes are permitted on the destination cluster. Do not write to the destination cluster while canWrite is false. Index validation continues until the :ref:`commit <c2c-api-commit>` is complete.
info	string	Provides extra information on the synchronization progress. Possible info values include: "collection copy" "change event application" "waiting for commit to complete" "commit completed"
lagTimeSeconds	integer	Time difference in seconds between the latest event timestamp that mongosync applied to the destination cluster and the latest timestamp on the source cluster for this instance of mongosync. Note mongosync performs periodic no-op writes on the source cluster, which may prevent the value of the lagTimeSeconds field from reaching zero until mongosync commits the migration. Due to constant no-ops on the source cluster, the time difference is often a few seconds above zero, even if there are no real writes on the source cluster. The time difference becomes zero when mongosync commits the migration.
totalEventsApplied	integer	The approximate number of change events this instance of mongosync has applied to the destination cluster. This value may not be an accurate representation of the total number of events because it is not persisted and it omits certain events from the count.
collectionCopy	object	Estimates the total amount of data being copied from collections and the amount that has already been copied to the destination cluster
collectionCopy .estimatedTotalBytes	integer	Estimated total number of bytes to be copied globally by all mongosync instances during the initial copying of collections. Note mongosync approximates the estimated total number of bytes prior to migration and does not update this value during the synchronization process. This value does not reflect changes made to the source cluster during sync and is not an accurate indicator of migration progress.
collectionCopy .estimatedCopiedBytes	integer	Estimated number of bytes which have been copied to the destination cluster by this mongosync instance during the initial copying of collections. To calculate the total estimated progress as a percentage, add the value of the estimatedCopiedBytes field for each mongosync instance and divide the result by the value of the estimatedTotalBytes field . Then, multiply the result by 100. Note The value of estimatedCopiedBytes may be larger than the value of the estimatedTotalBytes due to retried operations. A comparison of estimatedTotalBytes and estimatedCopiedBytes is not an accurate indicator of migration progress.
directionMapping	object	Describes the mapping direction for the synchronization, namely the source and destination clusters.
directionMapping .Source	string	Source cluster. Returned in the form <cluster name>: <host>:<port>.
directionMapping .Destination	string	Destination cluster. Returned in the form <cluster name>: <host>:<port>.
mongosyncID	string	Identifier string for the mongosync instance.
coordinatorID	string	Identifier string for the coordinator instance. When mongosync is coordinated by another instance, this field shows the identifier string for the coordinator instance. When mongosync is a coordinator or runs alone, this field returns the same value as its mongosyncID field. When mongosync starts up, this field returns null until mongosync identifies the coordinator.