Examples with StatTrackingStore voldemort.store.stats.StatTrackingStore used on opensource projects

Example 6 with StatTrackingStore

use of voldemort.store.stats.StatTrackingStore in project voldemort by voldemort.

the class RoutedStoreTest method testNoReadRepair.

/**
     * See Issue #211: Unnecessary read repairs during getAll with more than one
     * key
     */
@Test
public void testNoReadRepair() throws Exception {
    cluster = VoldemortTestConstants.getThreeNodeCluster();
    StoreDefinition storeDef = ServerTestUtils.getStoreDef("test", 3, 2, 1, 3, 2, RoutingStrategyType.CONSISTENT_STRATEGY);
    Map<Integer, Store<ByteArray, byte[], byte[]>> subStores = Maps.newHashMap();
    /* We just need to keep a store from one node */
    StatTrackingStore statTrackingStore = null;
    for (int i = 0; i < 3; ++i) {
        int id = Iterables.get(cluster.getNodes(), i).getId();
        statTrackingStore = new StatTrackingStore(new InMemoryStorageEngine<ByteArray, byte[], byte[]>("test"), null);
        subStores.put(id, statTrackingStore);
    }
    setFailureDetector(subStores);
    routedStoreThreadPool = Executors.newFixedThreadPool(1);
    RoutedStoreFactory routedStoreFactory = createFactory();
    RoutedStore routedStore = routedStoreFactory.create(cluster, storeDef, subStores, failureDetector, createConfig(BANNAGE_PERIOD));
    ByteArray key1 = aKey;
    routedStore.put(key1, Versioned.value("value1".getBytes()), null);
    ByteArray key2 = TestUtils.toByteArray("voldemort");
    routedStore.put(key2, Versioned.value("value2".getBytes()), null);
    long putCount = statTrackingStore.getStats().getCount(Tracked.PUT);
    routedStore.getAll(Arrays.asList(key1, key2), null);
    /* Read repair happens asynchronously, so we wait a bit */
    Thread.sleep(500);
    assertEquals("put count should remain the same if there are no read repairs", putCount, statTrackingStore.getStats().getCount(Tracked.PUT));
}

Example 7 with StatTrackingStore

use of voldemort.store.stats.StatTrackingStore in project voldemort by voldemort.

the class StatusServlet method outputJSON.

protected void outputJSON(HttpServletResponse response) {
    StringBuilder sb = new StringBuilder("{\n");
    sb.append("  \"servertime\": \"");
    sb.append(new Date());
    sb.append("\",");
    sb.append("\n  \"server\": \"");
    sb.append(myMachine);
    sb.append("\",");
    sb.append("\n  \"node\": \"");
    sb.append(server.getMetadataStore().getNodeId());
    sb.append("\",");
    sb.append("\n  \"uptime\": \"");
    sb.append(abstractSocketService.getStatusManager().getFormattedUptime());
    sb.append("\",");
    sb.append("\n  \"num_workers\": ");
    sb.append(abstractSocketService.getStatusManager().getActiveWorkersCount());
    sb.append(",");
    sb.append("\n  \"pool_size\": ");
    sb.append(abstractSocketService.getStatusManager().getWorkerPoolSize());
    sb.append(",");
    sb.append("\n  \"stores\": {");
    int i = 0;
    for (Store<ByteArray, byte[], byte[]> store : server.getStoreRepository().getAllLocalStores()) {
        if (i++ > 0) {
            sb.append(",");
        }
        sb.append("\n    \"");
        sb.append(store.getName());
        sb.append("\" : {\n");
        if (store instanceof StatTrackingStore) {
            StatTrackingStore statStore = (StatTrackingStore) store;
            Map<Tracked, RequestCounter> stats = statStore.getStats().getCounters();
            for (Tracked t : Tracked.values()) {
                if (t == Tracked.EXCEPTION) {
                    continue;
                }
                sb.append(fillCommonStats(stats, t));
            }
            sb.append(",\n        \"num_exceptions\": ");
            sb.append(statStore.getStats().getCount(Tracked.EXCEPTION));
            sb.append("\n");
            sb.append("    }");
        }
        if (store instanceof QuotaLimitingStore) {
            QuotaLimitingStore quotaStore = (QuotaLimitingStore) store;
            Map<Tracked, RequestCounter> stats = quotaStore.getStats().getCounters();
            for (Tracked t : Tracked.values()) {
                if (t == Tracked.EXCEPTION) {
                    continue;
                }
                sb.append(fillCommonStats(stats, t));
            }
            sb.append(",\n        \"num_exceptions\": ");
            sb.append(quotaStore.getStats().getCount(Tracked.EXCEPTION));
            sb.append("\n");
            sb.append("    }");
        }
    }
    sb.append("\n  }\n");
    sb.append("}\n");
    try {
        response.setContentType("text/plain");
        OutputStreamWriter writer = new OutputStreamWriter(response.getOutputStream());
        writer.write(sb.toString());
        writer.flush();
    } catch (Exception e) {
        throw new VoldemortException(e);
    }
}