Php/docs/mongocursor.maxtimems

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MongoCursor::maxTimeMS

(PECL mongo >=1.5.0)

MongoCursor::maxTimeMSSets a server-side timeout for this query


Description

public MongoCursor::maxTimeMS ( int $ms ) : MongoCursor

Specifies a cumulative time limit in milliseconds to be allowed by the server for processing operations on the cursor.


Parameters

ms
Specifies a cumulative time limit in milliseconds to be allowed by the server for processing operations on the cursor.


Return Values

This cursor.


Errors/Exceptions

Throws MongoCursorException if this cursor has started iterating.

Causes methods that fetch results to throw a MongoExecutionTimeoutException if the query takes longer than the specified number of milliseconds in processing time.


Examples

Example #1 MongoCursor::maxTimeMS() example

In the following example, the server will abort the query if the cursor requires more than two seconds in processing time to return its results.


<?php$cursor = $collection->find();$cursor->maxTimeMS(2000);try {    $results = iterator_to_array($cursor);} catch (MongoExecutionTimeoutException $e) {    echo "query took too long!";}?>

Notes

Warning Unlike MongoCursor::timeout(), which specifies a client-side timeout, MongoCursor::maxTimeMS() can be used to cause the MongoDB server to abort long-running queries. This timeout is cumulative for the lifetime of the cursor (i.e. each batch will contribute to this time limit). The timeout only considers processing time; idle time is not considered.