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  1. PHP Driver: Extension
  2. PHPC-894

BSON get_properties handlers leak during gc_possible_root() checks

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • 1.2.4
    • Affects Version/s: 1.2.3
    • Component/s: None
    • None
    • Environment:
      Ubuntu 16.04 x64
      PHP 7.1.0

      The following code shows memory leakage for collection that has more than 9997 docs.

      $mongo = new \MongoDB\Driver\Manager("mongodb://username:password@127.0.0.1:27017/dbname");
$query = new \MongoDB\Driver\Query([]);

while (true) {
    $mongo->executeQuery('dbname.test', $query)->toArray();
    echo memory_get_peak_usage() . PHP_EOL;
}

      db.test.drop(); for (var i = 0; i < 9998; ++i) {db.test.insert({x: "y"});}

      $ php index.php 
15881112
17801272
19720888
21640504
23560120
25479736
27399352
29318968
31238584
33158200
35077816
36997432
38917048
40836664
42756280
44675896
46595512
48515128
50434744

      db.test.drop(); for (var i = 0; i < 9997; ++i) {db.test.insert({x: "y"});}

      $ php index.php 
15880312
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        1. index.php
          0.3 kB
          Andrey Kostin

            Assignee:
            jmikola@mongodb.com Jeremy Mikola
            Reporter:
            lisio Andrey Kostin
            Votes:
            1 Vote for this issue
            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved: