Examples with CacheServiceMBean org.apache.cassandra.service.CacheServiceMBean used on opensource projects

Example 1 with CacheServiceMBean

use of org.apache.cassandra.service.CacheServiceMBean in project cassandra by apache.

the class ColumnFamilyStoreMBeanIterator method setCacheCapacities.

public void setCacheCapacities(int keyCacheCapacity, int rowCacheCapacity, int counterCacheCapacity) {
    try {
        String keyCachePath = "org.apache.cassandra.db:type=Caches";
        CacheServiceMBean cacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), CacheServiceMBean.class);
        cacheMBean.setKeyCacheCapacityInMB(keyCacheCapacity);
        cacheMBean.setRowCacheCapacityInMB(rowCacheCapacity);
        cacheMBean.setCounterCacheCapacityInMB(counterCacheCapacity);
    } catch (MalformedObjectNameException e) {
        throw new RuntimeException(e);
    }
}

Example 2 with CacheServiceMBean

use of org.apache.cassandra.service.CacheServiceMBean in project cassandra by apache.

the class ColumnFamilyStoreMBeanIterator method setCacheKeysToSave.

public void setCacheKeysToSave(int keyCacheKeysToSave, int rowCacheKeysToSave, int counterCacheKeysToSave) {
    try {
        String keyCachePath = "org.apache.cassandra.db:type=Caches";
        CacheServiceMBean cacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), CacheServiceMBean.class);
        cacheMBean.setKeyCacheKeysToSave(keyCacheKeysToSave);
        cacheMBean.setRowCacheKeysToSave(rowCacheKeysToSave);
        cacheMBean.setCounterCacheKeysToSave(counterCacheKeysToSave);
    } catch (MalformedObjectNameException e) {
        throw new RuntimeException(e);
    }
}

Example 3 with CacheServiceMBean

use of org.apache.cassandra.service.CacheServiceMBean in project cassandra by apache.

the class Info method execute.

@Override
public void execute(NodeProbe probe) {
    boolean gossipInitialized = probe.isGossipRunning();
    System.out.printf("%-23s: %s%n", "ID", probe.getLocalHostId());
    System.out.printf("%-23s: %s%n", "Gossip active", gossipInitialized);
    System.out.printf("%-23s: %s%n", "Native Transport active", probe.isNativeTransportRunning());
    System.out.printf("%-23s: %s%n", "Load", probe.getLoadString());
    if (gossipInitialized)
        System.out.printf("%-23s: %s%n", "Generation No", probe.getCurrentGenerationNumber());
    else
        System.out.printf("%-23s: %s%n", "Generation No", 0);
    // Uptime
    long secondsUp = probe.getUptime() / 1000;
    System.out.printf("%-23s: %d%n", "Uptime (seconds)", secondsUp);
    // Memory usage
    MemoryUsage heapUsage = probe.getHeapMemoryUsage();
    double memUsed = (double) heapUsage.getUsed() / (1024 * 1024);
    double memMax = (double) heapUsage.getMax() / (1024 * 1024);
    System.out.printf("%-23s: %.2f / %.2f%n", "Heap Memory (MB)", memUsed, memMax);
    try {
        System.out.printf("%-23s: %.2f%n", "Off Heap Memory (MB)", getOffHeapMemoryUsed(probe));
    } catch (RuntimeException e) {
        // offheap-metrics introduced in 2.1.3 - older versions do not have the appropriate mbeans
        if (!(e.getCause() instanceof InstanceNotFoundException))
            throw e;
    }
    // Data Center/Rack
    System.out.printf("%-23s: %s%n", "Data Center", probe.getDataCenter());
    System.out.printf("%-23s: %s%n", "Rack", probe.getRack());
    // Exceptions
    System.out.printf("%-23s: %s%n", "Exceptions", probe.getStorageMetric("Exceptions"));
    CacheServiceMBean cacheService = probe.getCacheServiceMBean();
    // Key Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    System.out.printf("%-23s: entries %d, size %s, capacity %s, %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n", "Key Cache", probe.getCacheMetric("KeyCache", "Entries"), FileUtils.stringifyFileSize((long) probe.getCacheMetric("KeyCache", "Size")), FileUtils.stringifyFileSize((long) probe.getCacheMetric("KeyCache", "Capacity")), probe.getCacheMetric("KeyCache", "Hits"), probe.getCacheMetric("KeyCache", "Requests"), probe.getCacheMetric("KeyCache", "HitRate"), cacheService.getKeyCacheSavePeriodInSeconds());
    // Row Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    System.out.printf("%-23s: entries %d, size %s, capacity %s, %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n", "Row Cache", probe.getCacheMetric("RowCache", "Entries"), FileUtils.stringifyFileSize((long) probe.getCacheMetric("RowCache", "Size")), FileUtils.stringifyFileSize((long) probe.getCacheMetric("RowCache", "Capacity")), probe.getCacheMetric("RowCache", "Hits"), probe.getCacheMetric("RowCache", "Requests"), probe.getCacheMetric("RowCache", "HitRate"), cacheService.getRowCacheSavePeriodInSeconds());
    // Counter Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    System.out.printf("%-23s: entries %d, size %s, capacity %s, %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n", "Counter Cache", probe.getCacheMetric("CounterCache", "Entries"), FileUtils.stringifyFileSize((long) probe.getCacheMetric("CounterCache", "Size")), FileUtils.stringifyFileSize((long) probe.getCacheMetric("CounterCache", "Capacity")), probe.getCacheMetric("CounterCache", "Hits"), probe.getCacheMetric("CounterCache", "Requests"), probe.getCacheMetric("CounterCache", "HitRate"), cacheService.getCounterCacheSavePeriodInSeconds());
    // Chunk Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    try {
        System.out.printf("%-23s: entries %d, size %s, capacity %s, %d misses, %d requests, %.3f recent hit rate, %.3f %s miss latency%n", "Chunk Cache", probe.getCacheMetric("ChunkCache", "Entries"), FileUtils.stringifyFileSize((long) probe.getCacheMetric("ChunkCache", "Size")), FileUtils.stringifyFileSize((long) probe.getCacheMetric("ChunkCache", "Capacity")), probe.getCacheMetric("ChunkCache", "Misses"), probe.getCacheMetric("ChunkCache", "Requests"), probe.getCacheMetric("ChunkCache", "HitRate"), probe.getCacheMetric("ChunkCache", "MissLatency"), probe.getCacheMetric("ChunkCache", "MissLatencyUnit"));
    } catch (RuntimeException e) {
        if (!(e.getCause() instanceof InstanceNotFoundException))
            throw e;
    // Chunk cache is not on.
    }
    // Global table stats
    System.out.printf("%-23s: %s%%%n", "Percent Repaired", probe.getColumnFamilyMetric(null, null, "PercentRepaired"));
    // check if node is already joined, before getting tokens, since it throws exception if not.
    if (probe.isJoined()) {
        // Tokens
        List<String> tokens = probe.getTokens();
        if (tokens.size() == 1 || this.tokens)
            for (String token : tokens) System.out.printf("%-23s: %s%n", "Token", token);
        else
            System.out.printf("%-23s: (invoke with -T/--tokens to see all %d tokens)%n", "Token", tokens.size());
    } else {
        System.out.printf("%-23s: (node is not joined to the cluster)%n", "Token");
    }
}

Example 4 with CacheServiceMBean

use of org.apache.cassandra.service.CacheServiceMBean in project eiger by wlloyd.

the class NodeCmd method printInfo.

/**
     * Write node information.
     * 
     * @param outs the stream to write to
     */
public void printInfo(PrintStream outs) {
    boolean gossipInitialized = probe.isInitialized();
    outs.printf("%-17s: %s%n", "Token", probe.getToken());
    outs.printf("%-17s: %s%n", "Gossip active", gossipInitialized);
    outs.printf("%-17s: %s%n", "Load", probe.getLoadString());
    if (gossipInitialized)
        outs.printf("%-17s: %s%n", "Generation No", probe.getCurrentGenerationNumber());
    else
        outs.printf("%-17s: %s%n", "Generation No", 0);
    // Uptime
    long secondsUp = probe.getUptime() / 1000;
    outs.printf("%-17s: %d%n", "Uptime (seconds)", secondsUp);
    // Memory usage
    MemoryUsage heapUsage = probe.getHeapMemoryUsage();
    double memUsed = (double) heapUsage.getUsed() / (1024 * 1024);
    double memMax = (double) heapUsage.getMax() / (1024 * 1024);
    outs.printf("%-17s: %.2f / %.2f%n", "Heap Memory (MB)", memUsed, memMax);
    // Data Center/Rack
    outs.printf("%-17s: %s%n", "Data Center", probe.getDataCenter());
    outs.printf("%-17s: %s%n", "Rack", probe.getRack());
    // Exceptions
    outs.printf("%-17s: %s%n", "Exceptions", probe.getExceptionCount());
    CacheServiceMBean cacheService = probe.getCacheServiceMBean();
    // Key Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    outs.printf("%-17s: size %d (bytes), capacity %d (bytes), %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n", "Key Cache", cacheService.getKeyCacheSize(), cacheService.getKeyCacheCapacityInBytes(), cacheService.getKeyCacheHits(), cacheService.getKeyCacheRequests(), cacheService.getKeyCacheRecentHitRate(), cacheService.getKeyCacheSavePeriodInSeconds());
    // Row Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
    outs.printf("%-17s: size %d (bytes), capacity %d (bytes), %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n", "Row Cache", cacheService.getRowCacheSize(), cacheService.getRowCacheCapacityInBytes(), cacheService.getRowCacheHits(), cacheService.getRowCacheRequests(), cacheService.getRowCacheRecentHitRate(), cacheService.getRowCacheSavePeriodInSeconds());
}

Example 5 with CacheServiceMBean

use of org.apache.cassandra.service.CacheServiceMBean in project eiger by wlloyd.

the class ThreadPoolProxyMBeanIterator method setCacheCapacities.

public void setCacheCapacities(String tableName, String cfName, int keyCacheCapacity, int rowCacheCapacity) {
    try {
        String keyCachePath = "org.apache.cassandra.db:type=Caches";
        CacheServiceMBean cacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), CacheServiceMBean.class);
        cacheMBean.setKeyCacheCapacityInMB(keyCacheCapacity);
        cacheMBean.setRowCacheCapacityInMB(rowCacheCapacity);
    } catch (MalformedObjectNameException e) {
        throw new RuntimeException(e);
    }
}