Examples of org.apache.cassandra.cache.JMXAggregatingCacheMBean

    public void setCacheCapacities(String tableName, String cfName, int keyCacheCapacity, int rowCacheCapacity)
    {
        try
        {
            String keyCachePath = "org.apache.cassandra.db:type=Caches,keyspace=" + tableName + ",cache=" + cfName + "KeyCache";
            JMXAggregatingCacheMBean keyCacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), JMXAggregatingCacheMBean.class);
            keyCacheMBean.setCapacity(keyCacheCapacity);


            String rowCachePath = "org.apache.cassandra.db:type=Caches,keyspace=" + tableName + ",cache=" + cfName + "RowCache";
            JMXInstrumentedCacheMBean rowCacheMBean = null;
            rowCacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(rowCachePath), JMXInstrumentedCacheMBean.class);
            rowCacheMBean.setCapacity(rowCacheCapacity);

                outs.println("\t\tRead Latency: " + String.format("%01.3f", cfstore.getRecentReadLatencyMicros() / 1000) + " ms.");
                outs.println("\t\tWrite Count: " + cfstore.getWriteCount());
                outs.println("\t\tWrite Latency: " + String.format("%01.3f", cfstore.getRecentWriteLatencyMicros() / 1000) + " ms.");
                outs.println("\t\tPending Tasks: " + cfstore.getPendingTasks());


                JMXAggregatingCacheMBean keyCacheMBean = probe.getKeyCacheMBean(tableName, cfstore.getColumnFamilyName());
                if (keyCacheMBean.getCapacity() > 0)
                {
                    outs.println("\t\tKey cache capacity: " + keyCacheMBean.getCapacity());
                    outs.println("\t\tKey cache size: " + keyCacheMBean.getSize());
                    outs.println("\t\tKey cache hit rate: " + keyCacheMBean.getRecentHitRate());
                }
                else
                {
                    outs.println("\t\tKey cache: disabled");
                }

Related Classes of org.apache.cassandra.cache.JMXAggregatingCacheMBean

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