private int updateAttrCache() { LOG.debug("Updating attr cache..."); int recNo = 0; int numMetrics = 0; for (MetricsRecordImpl record : lastRecs) { for (MetricsTag t : record.tags()) { setAttrCacheTag(t, recNo); ++numMetrics; } for (Metric m : record.metrics()) { setAttrCacheMetric(m, recNo); ++numMetrics; } ++recNo; } LOG.debug("Done. numMetrics=" + numMetrics); return numMetrics; }