Examples with HostPartitionClassStorageStatsWrapper com.github.ambry.server.HostPartitionClassStorageStatsWrapper used on opensource projects

Example 1 with HostPartitionClassStorageStatsWrapper

use of com.github.ambry.server.HostPartitionClassStorageStatsWrapper in project ambry by linkedin.

the class MySqlClusterAggregator method aggregateHostPartitionClassStorageStatsWrappers.

/**
 * Aggregate all {@link HostPartitionClassStorageStatsWrapper} to generate two {@link AggregatedPartitionClassStorageStats}s. First
 * {@link AggregatedPartitionClassStorageStats} is the sum of all {@link HostPartitionClassStorageStatsWrapper}s. The second
 * {@link AggregatedPartitionClassStorageStats} is the valid aggregated storage stats for all replicas of each partition.
 * @param statsWrappers A map from instance name to {@link HostPartitionClassStorageStatsWrapper}.
 * @return A {@link Pair} of {@link AggregatedPartitionClassStorageStats}.
 * @throws IOException
 */
Pair<AggregatedPartitionClassStorageStats, AggregatedPartitionClassStorageStats> aggregateHostPartitionClassStorageStatsWrappers(Map<String, HostPartitionClassStorageStatsWrapper> statsWrappers) throws IOException {
    Map<String, Map<Long, Map<Short, Map<Short, ContainerStorageStats>>>> combinedHostPartitionClassStorageStatsMap = new HashMap<>();
    Map<String, Map<Long, Map<Short, Map<Short, ContainerStorageStats>>>> selectedHostPartitionClassStorageStatsMap = new HashMap<>();
    Map<Long, Long> partitionTimestampMap = new HashMap<>();
    Map<Long, Long> partitionPhysicalStorageMap = new HashMap<>();
    for (Map.Entry<String, HostPartitionClassStorageStatsWrapper> statsWrapperEntry : statsWrappers.entrySet()) {
        if (statsWrapperEntry.getValue() == null) {
            continue;
        }
        String instanceName = statsWrapperEntry.getKey();
        HostPartitionClassStorageStatsWrapper hostPartitionClassStorageStatsWrapper = statsWrapperEntry.getValue();
        HostPartitionClassStorageStats hostPartitionClassStorageStats = hostPartitionClassStorageStatsWrapper.getStats();
        HostPartitionClassStorageStats hostPartitionClassStorageStatsCopy1 = new HostPartitionClassStorageStats(hostPartitionClassStorageStats);
        HostPartitionClassStorageStats hostPartitionClassStorageStatsCopy2 = new HostPartitionClassStorageStats(hostPartitionClassStorageStats);
        combineRawHostPartitionClassStorageStatsMap(combinedHostPartitionClassStorageStatsMap, hostPartitionClassStorageStatsCopy1.getStorageStats());
        selectRawHostPartitionClassStorageStatsMap(selectedHostPartitionClassStorageStatsMap, hostPartitionClassStorageStatsCopy2.getStorageStats(), partitionTimestampMap, partitionPhysicalStorageMap, hostPartitionClassStorageStatsWrapper.getHeader().getTimestamp(), instanceName);
    }
    if (logger.isTraceEnabled()) {
        logger.trace("Combined raw HostPartitionClassStorageStats {}", mapper.writeValueAsString(combinedHostPartitionClassStorageStatsMap));
        logger.trace("Selected raw HostPartitionClassStorageStats {}", mapper.writeValueAsString(selectedHostPartitionClassStorageStatsMap));
    }
    AggregatedPartitionClassStorageStats combinedAggregated = new AggregatedPartitionClassStorageStats(aggregateHostPartitionClassStorageStats(combinedHostPartitionClassStorageStatsMap));
    AggregatedPartitionClassStorageStats selectedAggregated = new AggregatedPartitionClassStorageStats(aggregateHostPartitionClassStorageStats(selectedHostPartitionClassStorageStatsMap));
    if (logger.isTraceEnabled()) {
        logger.trace("Aggregated combined {}", mapper.writeValueAsString(combinedAggregated));
        logger.trace("Aggregated selected {}", mapper.writeValueAsString(selectedAggregated));
    }
    return new Pair<>(combinedAggregated, selectedAggregated);
}

Example 2 with HostPartitionClassStorageStatsWrapper

use of com.github.ambry.server.HostPartitionClassStorageStatsWrapper in project ambry by linkedin.

the class AccountStatsMySqlStoreIntegrationTest method testHostPartitionClassStorageStats.

/**
 * Test methods to store and fetch partition class, partition name partition id and partition class storage stats.
 * @throws Exception
 */
@Test
public void testHostPartitionClassStorageStats() throws Exception {
    // First write some stats to account reports
    testMultiStoreStats();
    HostAccountStorageStatsWrapper accountStats1 = mySqlStore.queryHostAccountStorageStatsByHost(hostname1, port1);
    HostAccountStorageStatsWrapper accountStats2 = mySqlStore.queryHostAccountStorageStatsByHost(hostname2, port2);
    AccountStatsMySqlStore mySqlStore3 = createAccountStatsMySqlStore(clusterName2, hostname3, port3);
    HostAccountStorageStatsWrapper accountStats3 = mySqlStore3.queryHostAccountStorageStatsByHost(hostname3, port3);
    // From this account stats, create partition class stats;
    Set<Long> allPartitionKeys = new HashSet<Long>() {

        {
            addAll(accountStats1.getStats().getStorageStats().keySet());
            addAll(accountStats2.getStats().getStorageStats().keySet());
            addAll(accountStats3.getStats().getStorageStats().keySet());
        }
    };
    List<String> partitionClassNames = Arrays.asList("default", "new");
    Map<Long, String> partitionIdToClassName = new HashMap<>();
    int ind = 0;
    for (long partitionId : allPartitionKeys) {
        partitionIdToClassName.put(partitionId, partitionClassNames.get(ind % partitionClassNames.size()));
        ind++;
    }
    HostPartitionClassStorageStatsWrapper partitionClassStats1 = convertHostAccountStorageStatsToHostPartitionClassStorageStats(accountStats1, partitionIdToClassName);
    HostPartitionClassStorageStatsWrapper partitionClassStats2 = convertHostAccountStorageStatsToHostPartitionClassStorageStats(accountStats2, partitionIdToClassName);
    HostPartitionClassStorageStatsWrapper partitionClassStats3 = convertHostAccountStorageStatsToHostPartitionClassStorageStats(accountStats3, partitionIdToClassName);
    mySqlStore.storeHostPartitionClassStorageStats(partitionClassStats1);
    mySqlStore.storeHostPartitionClassStorageStats(partitionClassStats2);
    mySqlStore3.storeHostPartitionClassStorageStats(partitionClassStats3);
    Map<String, Set<Integer>> partitionNameAndIds = mySqlStore.queryPartitionNameAndIds();
    assertEquals(new HashSet<>(partitionClassNames), partitionNameAndIds.keySet());
    Map<Long, String> dbPartitionKeyToClassName = partitionNameAndIds.entrySet().stream().flatMap(ent -> ent.getValue().stream().map(pid -> new Pair<>(ent.getKey(), (long) pid))).collect(Collectors.toMap(Pair::getSecond, Pair::getFirst));
    assertEquals(partitionIdToClassName, dbPartitionKeyToClassName);
    // Fetch HostPartitionClassStorageStats
    HostPartitionClassStorageStatsWrapper obtainedStats1 = mySqlStore.queryHostPartitionClassStorageStatsByHost(hostname1, port1, partitionNameAndIds);
    assertEquals(partitionClassStats1.getStats().getStorageStats(), obtainedStats1.getStats().getStorageStats());
    HostPartitionClassStorageStatsWrapper obtainedStats2 = mySqlStore.queryHostPartitionClassStorageStatsByHost(hostname2, port2, partitionNameAndIds);
    assertEquals(partitionClassStats2.getStats().getStorageStats(), obtainedStats2.getStats().getStorageStats());
    HostPartitionClassStorageStatsWrapper obtainedStats3 = mySqlStore3.queryHostPartitionClassStorageStatsByHost(hostname3, port3, partitionNameAndIds);
    assertEquals(partitionClassStats3.getStats().getStorageStats(), obtainedStats3.getStats().getStorageStats());
    // Fetch StatsSnapshot
    StatsWrapper obtainedStats = mySqlStore.queryPartitionClassStatsByHost(hostname1, port1, partitionNameAndIds);
    assertEquals(StorageStatsUtil.convertHostPartitionClassStorageStatsToStatsSnapshot(obtainedStats1.getStats(), false), obtainedStats.getSnapshot());
    mySqlStore3.shutdown();
}

Example 3 with HostPartitionClassStorageStatsWrapper

use of com.github.ambry.server.HostPartitionClassStorageStatsWrapper in project ambry by linkedin.

the class AccountStatsMySqlStoreIntegrationTest method convertHostAccountStorageStatsToHostPartitionClassStorageStats.

private HostPartitionClassStorageStatsWrapper convertHostAccountStorageStatsToHostPartitionClassStorageStats(HostAccountStorageStatsWrapper accountStatsWrapper, Map<Long, String> partitionIdToClassName) {
    HostPartitionClassStorageStats hostPartitionClassStorageStats = new HostPartitionClassStorageStats();
    Map<Long, Map<Short, Map<Short, ContainerStorageStats>>> storageStats = accountStatsWrapper.getStats().getStorageStats();
    for (long partitionId : storageStats.keySet()) {
        Map<Short, Map<Short, ContainerStorageStats>> accountStorageStatsMap = storageStats.get(partitionId);
        String partitionClassName = partitionIdToClassName.get(partitionId);
        for (short accountId : accountStorageStatsMap.keySet()) {
            accountStorageStatsMap.get(accountId).values().forEach(containerStats -> hostPartitionClassStorageStats.addContainerStorageStats(partitionClassName, partitionId, accountId, containerStats));
        }
    }
    return new HostPartitionClassStorageStatsWrapper(new StatsHeader(accountStatsWrapper.getHeader()), hostPartitionClassStorageStats);
}

Example 4 with HostPartitionClassStorageStatsWrapper

use of com.github.ambry.server.HostPartitionClassStorageStatsWrapper in project ambry by linkedin.

the class MySqlClusterAggregatorTest method testAggregateHostPartitionClassStorageStats.

/**
 * Test basic functionality of {@link MySqlClusterAggregator#aggregateHostPartitionClassStorageStats}.
 * @throws Exception
 */
@Test
public void testAggregateHostPartitionClassStorageStats() throws Exception {
    int nodeCount = 3;
    int numberOfPartitions = 4;
    Map<String, Map<Long, Map<Short, Map<Short, ContainerStorageStats>>>> storageStatsMap = new HashMap<>();
    String[] partitionClassNames = { "default", "newClass" };
    for (int i = 0; i < numberOfPartitions; i++) {
        String partitionClassName = partitionClassNames[i % partitionClassNames.length];
        storageStatsMap.computeIfAbsent(partitionClassName, k -> new HashMap<>()).put((long) i, StorageStatsUtilTest.generateRandomAggregatedAccountStorageStats((short) 0, i + 3, 3, 10000L, 2, 10));
    }
    StatsHeader header = new StatsHeader(StatsHeader.StatsDescription.STORED_DATA_SIZE, DEFAULT_TIMESTAMP, numberOfPartitions, numberOfPartitions, Collections.emptyList());
    HostPartitionClassStorageStatsWrapper nodeStats = new HostPartitionClassStorageStatsWrapper(header, new HostPartitionClassStorageStats(storageStatsMap));
    header = new StatsHeader(StatsHeader.StatsDescription.STORED_DATA_SIZE, DEFAULT_TIMESTAMP, 0, 0, Collections.emptyList());
    HostPartitionClassStorageStatsWrapper emptyStats = new HostPartitionClassStorageStatsWrapper(header, new HostPartitionClassStorageStats());
    Map<String, HostPartitionClassStorageStatsWrapper> instanceToStatsMap = new HashMap<>();
    for (int i = 0; i < nodeCount; i++) {
        instanceToStatsMap.put("Instance_" + i, new HostPartitionClassStorageStatsWrapper(new StatsHeader(nodeStats.getHeader()), new HostPartitionClassStorageStats(nodeStats.getStats())));
    }
    instanceToStatsMap.put("Instance_" + nodeCount, emptyStats);
    Pair<AggregatedPartitionClassStorageStats, AggregatedPartitionClassStorageStats> aggregatedRawAndValidStats = clusterAggregator.aggregateHostPartitionClassStorageStatsWrappers(instanceToStatsMap);
    Map<String, Map<Short, Map<Short, ContainerStorageStats>>> expectedAggregatedStorageStatsMap = clusterAggregator.aggregateHostPartitionClassStorageStats(storageStatsMap);
    Assert.assertEquals(expectedAggregatedStorageStatsMap, aggregatedRawAndValidStats.getSecond().getStorageStats());
    assertAggregatedRawStatsForPartitionClassStorageStats(aggregatedRawAndValidStats.getFirst().getStorageStats(), expectedAggregatedStorageStatsMap, nodeCount);
}

Example 5 with HostPartitionClassStorageStatsWrapper

use of com.github.ambry.server.HostPartitionClassStorageStatsWrapper in project ambry by linkedin.

the class MySqlClusterAggregatorTest method testAggregateHostPartitionClassStorageStatsWithOutdatedNode.

/**
 * Test {@link MySqlClusterAggregator#aggregateHostPartitionClassStorageStatsWrappers} but with one node having outdated
 * storage stats data. Outdated data shouldn't be used when aggregating valid storage stats.
 * @throws Exception
 */
@Test
public void testAggregateHostPartitionClassStorageStatsWithOutdatedNode() throws Exception {
    Map<String, Map<Long, Map<Short, Map<Short, ContainerStorageStats>>>> upToDateStorageStatsMap = new HashMap<>();
    upToDateStorageStatsMap.computeIfAbsent("default", k -> new HashMap<>()).put((long) 0, StorageStatsUtilTest.generateRandomAggregatedAccountStorageStats((short) 0, 5, 3, 10000L, 2, 10));
    Map<String, Map<Long, Map<Short, Map<Short, ContainerStorageStats>>>> outdatedStorageStatsMap = new HashMap<>();
    outdatedStorageStatsMap.computeIfAbsent("default", k -> new HashMap<>()).put((long) 0, StorageStatsUtilTest.generateRandomAggregatedAccountStorageStats((short) 0, 5, 3, 10000L, 2, 10));
    StatsHeader header = new StatsHeader(StatsHeader.StatsDescription.STORED_DATA_SIZE, TimeUnit.MINUTES.toMillis(2 * RELEVANT_PERIOD_IN_MINUTES), 1, 1, Collections.emptyList());
    HostPartitionClassStorageStatsWrapper upToDateNodeStats = new HostPartitionClassStorageStatsWrapper(header, new HostPartitionClassStorageStats(upToDateStorageStatsMap));
    header = new StatsHeader(StatsHeader.StatsDescription.STORED_DATA_SIZE, 0, 1, 1, Collections.emptyList());
    HostPartitionClassStorageStatsWrapper outdatedNodeStats = new HostPartitionClassStorageStatsWrapper(header, new HostPartitionClassStorageStats(outdatedStorageStatsMap));
    header = new StatsHeader(StatsHeader.StatsDescription.STORED_DATA_SIZE, TimeUnit.MINUTES.toMillis(2 * RELEVANT_PERIOD_IN_MINUTES), 0, 0, Collections.emptyList());
    HostPartitionClassStorageStatsWrapper emptyNodeStats = new HostPartitionClassStorageStatsWrapper(header, new HostPartitionClassStorageStats());
    Map<String, HostPartitionClassStorageStatsWrapper> instanceToStatsMap = new LinkedHashMap<>();
    instanceToStatsMap.put("Instance_0", upToDateNodeStats);
    instanceToStatsMap.put("Instance_1", outdatedNodeStats);
    instanceToStatsMap.put("Instance_2", emptyNodeStats);
    Pair<AggregatedPartitionClassStorageStats, AggregatedPartitionClassStorageStats> aggregatedRawAndValidStats = clusterAggregator.aggregateHostPartitionClassStorageStatsWrappers(instanceToStatsMap);
    Map<String, Map<Short, Map<Short, ContainerStorageStats>>> expectedValid = clusterAggregator.aggregateHostPartitionClassStorageStats(upToDateStorageStatsMap);
    Assert.assertEquals(expectedValid, aggregatedRawAndValidStats.getSecond().getStorageStats());
}