[FLINK-3998] Access to gauges and counters in StatsDReporter#report() is not properly synchronized

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 31/May/16 16:27
• Updated: 10/Jun/16 13:07
• Resolved: 10/Jun/16 13:07

Description

    for (Map.Entry<Gauge<?>, String> entry : gauges.entrySet()) {
      reportGauge(entry.getValue(), entry.getKey());
    }

    for (Map.Entry<Counter, String> entry : counters.entrySet()) {
      reportCounter(entry.getValue(), entry.getKey());

Access to gauges and counters should be protected by lock on AbstractReporter.this