Examples of voldemort.store.configuration.FileBackedCachingStorageEngine


            // Wrap everything under the rate limiting store (barring the
            // metadata store)
            if(voldemortConfig.isEnableQuotaLimiting() && !isMetadata) {
                StoreStats currentStoreStats = statStore.getStats();
                FileBackedCachingStorageEngine quotaStore = (FileBackedCachingStorageEngine) storeRepository.getStorageEngine(SystemStoreConstants.SystemStoreName.voldsys$_store_quotas.toString());
                QuotaLimitStats quotaStats = new QuotaLimitStats(this.aggregatedQuotaStats);
                QuotaLimitingStore rateLimitingStore = new QuotaLimitingStore(store,
                                                                              currentStoreStats,
                                                                              quotaStats,
                                                                              quotaStore);

     *  PS: Test will fail if for some reason we cannot do 50 ops/sec against a hash map. So yeah, pretty unlikely.
     */
    public void testQuotaPctUsageCalculation() throws Exception {
        File tempDir = TestUtils.createTempDir();


        FileBackedCachingStorageEngine quotaStore = new FileBackedCachingStorageEngine("quota-usage-test-store",
                                                                                       tempDir.getAbsolutePath());
        InMemoryStorageEngine<ByteArray, byte[], byte[]> inMemoryEngine = new InMemoryStorageEngine<ByteArray, byte[], byte[]>("inMemoryBackingStore");
        QuotaLimitStats quotaStats = new QuotaLimitStats(null, 1000);
        StatTrackingStore statTrackingStore = new StatTrackingStore(inMemoryEngine, null);


        QuotaLimitingStore quotaLimitingStore = new QuotaLimitingStore(statTrackingStore,
                                                                       statTrackingStore.getStats(),
                                                                       quotaStats,
                                                                       quotaStore);


        int targetRate = 50;
        // provide a quota of 100 gets/sec
        quotaStore.put(new ByteArray(QuotaUtils.makeQuotaKey(statTrackingStore.getName(),
                                                             QuotaType.GET_THROUGHPUT).getBytes()),
                       new Versioned<byte[]>("100.0".getBytes()),
                       null);


        long testIntervalMs = 5000;

Examples of voldemort.store.configuration.FileBackedCachingStorageEngine

Related Classes of voldemort.store.configuration.FileBackedCachingStorageEngine