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- writeBacksQueued
writeBacksQueued¶
- writeBacksQueued¶
writeBacksQueued is an internal command that returns a document reporting there are operations in the write back queue for the given mongos and information about the queues.
- writeBacksQueued.hasOpsQueued¶
Boolean.
hasOpsQueued is true if there are write Back operations queued.
- writeBacksQueued.totalOpsQueued¶
Integer.
totalOpsQueued reflects the number of operations queued.
- writeBacksQueued.queues¶
Document.
queues holds an embedded document where the fields are all write back queues. These field hold a document with two fields that reports on the state of the queue. The fields in these documents are:
- writeBacksQueued.queues.n¶
n reflects the size, by number of items, in the queues.
The command document has the following prototype form:
{writeBacksQueued: 1}
To call writeBacksQueued from the mongo shell, use the following db.runCommand() form:
db.runCommand({writeBacksQueued: 1})
Consider the following example output:
{ "hasOpsQueued" : true, "totalOpsQueued" : 7, "queues" : { "50b4f09f6671b11ff1944089" : { "n" : 0, "minutesSinceLastCall" : 1 }, "50b4f09fc332bf1c5aeaaf59" : { "n" : 0, "minutesSinceLastCall" : 0 }, "50b4f09f6671b1d51df98cb6" : { "n" : 0, "minutesSinceLastCall" : 0 }, "50b4f0c67ccf1e5c6effb72e" : { "n" : 0, "minutesSinceLastCall" : 0 }, "50b4faf12319f193cfdec0d1" : { "n" : 0, "minutesSinceLastCall" : 4 }, "50b4f013d2c1f8d62453017e" : { "n" : 0, "minutesSinceLastCall" : 0 }, "50b4f0f12319f193cfdec0d1" : { "n" : 0, "minutesSinceLastCall" : 1 } }, "ok" : 1 }
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