Method merge

prometheus_client/multiprocess.py:36–44

Merge metrics from given mmap files. By default, histograms are accumulated, as per prometheus wire format. But if writing the merged data back to mmap files, use accumulate=False to avoid compound accumulation.

(files, accumulate=True)

    @staticmethod
    def merge(files, accumulate=True):
        """Merge metrics from given mmap files.

        By default, histograms are accumulated, as per prometheus wire format.
        But if writing the merged data back to mmap files, use
        accumulate=False to avoid compound accumulation.
        """
        metrics = MultiProcessCollector._read_metrics(files)
        return MultiProcessCollector._accumulate_metrics(metrics, accumulate)

    @staticmethod
    def _read_metrics(files):