Examples with MetricsMap org.apache.solr.metrics.MetricsMap used on opensource projects

Example 26 with MetricsMap

use of org.apache.solr.metrics.MetricsMap in project lucene-solr by apache.

the class LFUCache method initializeMetrics.

@Override
public void initializeMetrics(SolrMetricManager manager, String registryName, String scope) {
    registry = manager.registry(registryName);
    cacheMap = new MetricsMap((detailed, map) -> {
        if (cache != null) {
            ConcurrentLFUCache.Stats stats = cache.getStats();
            long lookups = stats.getCumulativeLookups();
            long hits = stats.getCumulativeHits();
            long inserts = stats.getCumulativePuts();
            long evictions = stats.getCumulativeEvictions();
            long size = stats.getCurrentSize();
            map.put("lookups", lookups);
            map.put("hits", hits);
            map.put("hitratio", calcHitRatio(lookups, hits));
            map.put("inserts", inserts);
            map.put("evictions", evictions);
            map.put("size", size);
            map.put("warmupTime", warmupTime);
            map.put("timeDecay", timeDecay);
            long clookups = 0;
            long chits = 0;
            long cinserts = 0;
            long cevictions = 0;
            // NOTE: It is safe to iterate on a CopyOnWriteArrayList
            for (ConcurrentLFUCache.Stats statistics : statsList) {
                clookups += statistics.getCumulativeLookups();
                chits += statistics.getCumulativeHits();
                cinserts += statistics.getCumulativePuts();
                cevictions += statistics.getCumulativeEvictions();
            }
            map.put("cumulative_lookups", clookups);
            map.put("cumulative_hits", chits);
            map.put("cumulative_hitratio", calcHitRatio(clookups, chits));
            map.put("cumulative_inserts", cinserts);
            map.put("cumulative_evictions", cevictions);
            if (detailed && showItems != 0) {
                Map items = cache.getMostUsedItems(showItems == -1 ? Integer.MAX_VALUE : showItems);
                for (Map.Entry e : (Set<Map.Entry>) items.entrySet()) {
                    Object k = e.getKey();
                    Object v = e.getValue();
                    String ks = "item_" + k;
                    String vs = v.toString();
                    map.put(ks, vs);
                }
            }
        }
    });
    manager.registerGauge(this, registryName, cacheMap, true, scope, getCategory().toString());
}