com.netflix.astyanax.connectionpool.impl.ConnectionPoolConfigurationImpl Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011 Netflix
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.netflix.astyanax.connectionpool.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import org.apache.commons.lang.builder.ToStringBuilder;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import com.netflix.astyanax.AuthenticationCredentials;
import com.netflix.astyanax.connectionpool.BadHostDetector;
import com.netflix.astyanax.connectionpool.ConnectionPoolConfiguration;
import com.netflix.astyanax.connectionpool.Host;
import com.netflix.astyanax.connectionpool.LatencyScoreStrategy;
import com.netflix.astyanax.connectionpool.OperationFilterFactory;
import com.netflix.astyanax.connectionpool.RetryBackoffStrategy;
import com.netflix.astyanax.connectionpool.SSLConnectionContext;
import com.netflix.astyanax.partitioner.Partitioner;
import com.netflix.astyanax.shallows.EmptyBadHostDetectorImpl;
import com.netflix.astyanax.shallows.EmptyLatencyScoreStrategyImpl;
import com.netflix.astyanax.shallows.EmptyOperationFilterFactory;
import com.netflix.astyanax.shallows.EmptyOperationTracer;
import com.netflix.astyanax.tracing.OperationTracer;
/**
*
* Basic impl for {@link ConnectionPoolConfiguration} that uses a bunch of defaults for al the connection pool config.
*
* @author elandau
*/
public class ConnectionPoolConfigurationImpl implements ConnectionPoolConfiguration {
/**
* Default values
*/
public static final int DEFAULT_MAX_TIME_WHEN_EXHAUSTED = 2000;
public static final int DEFAULT_SOCKET_TIMEOUT = 11000; // ms
public static final int DEFAULT_CONNECT_TIMEOUT = 2000; // ms
public static final int DEFAULT_MAX_ACTIVE_PER_PARTITION = 3;
public static final int DEFAULT_INIT_PER_PARTITION = 0;
public static final int DEFAULT_PORT = 9160;
public static final int DEFAULT_FAILOVER_COUNT = -1;
public static final int DEFAULT_MAX_CONNS = 1;
public static final int DEFAULT_LATENCY_AWARE_WINDOW_SIZE = 100;
public static final float DEFAULT_LATENCY_AWARE_SENTINEL_COMPARE = 0.768f;
public static final int DEFAULT_LATENCY_AWARE_UPDATE_INTERVAL = 10000;
public static final int DEFAULT_LATENCY_AWARE_RESET_INTERVAL = 60000;
public static final float DEFAULT_LATENCY_AWARE_BADNESS_THRESHOLD = 0.10f;
public static final int DEFAULT_CONNECTION_LIMITER_WINDOW_SIZE = 2000;
public static final int DEFAULT_CONNECTION_LIMITER_MAX_PENDING_COUNT = 50;
public static final int DEFAULT_MAX_PENDING_CONNECTIONS_PER_HOST = 5;
public static final int DEFAULT_MAX_BLOCKED_THREADS_PER_HOST = 25;
public static final int DEFAULT_MAX_TIMEOUT_COUNT = 3;
public static final int DEFAULT_TIMEOUT_WINDOW = 10000;
public static final int DEFAULT_RETRY_SUSPEND_WINDOW = 20000;
public static final int DEFAULT_RETRY_DELAY_SLICE = 10000;
public static final int DEFAULT_RETRY_MAX_DELAY_SLICE = 10;
public static final int DEFAULT_MAX_OPERATIONS_PER_CONNECTION = 10000;
public static final float DEFAULT_MIN_HOST_IN_POOL_RATIO = 0.65f;
public static final int DEFAULT_BLOCKED_THREAD_THRESHOLD = 10;
public static final BadHostDetector DEFAULT_BAD_HOST_DETECTOR = EmptyBadHostDetectorImpl.getInstance();
// public static final Partitioner DEFAULT_PARTITIONER = BigInteger127Partitioner.get();
private static final int DEFAULT_RECONNECT_THREAD_COUNT = 5;
private static final int DEFAULT_MAINTAINANCE_THREAD_COUNT = 1;
private static final String DEFAULT_PARTITIONER_CLASS = "com.netflix.astyanax.partitioner.BigInteger127Partitioner";
private final String name;
private int maxConnsPerPartition = DEFAULT_MAX_ACTIVE_PER_PARTITION;
private int initConnsPerPartition = DEFAULT_INIT_PER_PARTITION;
private int maxConns = DEFAULT_MAX_CONNS;
private int port = DEFAULT_PORT;
private int socketTimeout = DEFAULT_SOCKET_TIMEOUT;
private int connectTimeout = DEFAULT_CONNECT_TIMEOUT;
private int maxFailoverCount = DEFAULT_FAILOVER_COUNT;
private int latencyAwareWindowSize = DEFAULT_LATENCY_AWARE_WINDOW_SIZE;
private float latencyAwareSentinelCompare = DEFAULT_LATENCY_AWARE_SENTINEL_COMPARE;
private float latencyAwareBadnessThreshold = DEFAULT_LATENCY_AWARE_BADNESS_THRESHOLD;
private int latencyAwareUpdateInterval = DEFAULT_LATENCY_AWARE_UPDATE_INTERVAL;
private int latencyAwareResetInterval = DEFAULT_LATENCY_AWARE_RESET_INTERVAL;
private int connectionLimiterWindowSize = DEFAULT_CONNECTION_LIMITER_WINDOW_SIZE;
private int connectionLimiterMaxPendingCount = DEFAULT_CONNECTION_LIMITER_MAX_PENDING_COUNT;
private int maxPendingConnectionsPerHost = DEFAULT_MAX_PENDING_CONNECTIONS_PER_HOST;
private int maxBlockedThreadsPerHost = DEFAULT_MAX_BLOCKED_THREADS_PER_HOST;
private int maxTimeoutCount = DEFAULT_MAX_TIMEOUT_COUNT;
private int timeoutWindow = DEFAULT_TIMEOUT_WINDOW;
private int retrySuspendWindow = DEFAULT_RETRY_SUSPEND_WINDOW;
private int retryDelaySlice = DEFAULT_RETRY_DELAY_SLICE;
private int retryMaxDelaySlice = DEFAULT_RETRY_MAX_DELAY_SLICE;
private int maxOperationsPerConnection = DEFAULT_MAX_OPERATIONS_PER_CONNECTION;
private int maxTimeoutWhenExhausted = DEFAULT_MAX_TIME_WHEN_EXHAUSTED;
private float minHostInPoolRatio = DEFAULT_MIN_HOST_IN_POOL_RATIO;
private int blockedThreadThreshold = DEFAULT_BLOCKED_THREAD_THRESHOLD;
private String seeds = null;
private RetryBackoffStrategy hostRetryBackoffStrategy = null;
private HostSelectorStrategy hostSelectorStrategy = HostSelectorStrategy.ROUND_ROBIN;
private LatencyScoreStrategy latencyScoreStrategy = new EmptyLatencyScoreStrategyImpl();
private BadHostDetector badHostDetector = DEFAULT_BAD_HOST_DETECTOR;
private AuthenticationCredentials credentials = null;
private OperationFilterFactory filterFactory = EmptyOperationFilterFactory.getInstance();
private OperationTracer opTracer = new EmptyOperationTracer();
private Partitioner partitioner = null;
private SSLConnectionContext sslCtx;
private ScheduledExecutorService maintainanceExecutor;
private ScheduledExecutorService reconnectExecutor;
private boolean bOwnMaintainanceExecutor = false;
private boolean bOwnReconnectExecutor = false;
private String localDatacenter = null;
public ConnectionPoolConfigurationImpl(String name) {
this.name = name;
this.badHostDetector = new BadHostDetectorImpl(this);
this.hostRetryBackoffStrategy = new ExponentialRetryBackoffStrategy(this);
}
@Override
public void initialize() {
if (partitioner == null) {
try {
partitioner = (Partitioner) Class.forName(DEFAULT_PARTITIONER_CLASS).newInstance();
} catch (Throwable t) {
throw new RuntimeException("Can't instantiate default partitioner " + DEFAULT_PARTITIONER_CLASS, t);
}
}
if (maintainanceExecutor == null) {
maintainanceExecutor = Executors.newScheduledThreadPool(DEFAULT_MAINTAINANCE_THREAD_COUNT, new ThreadFactoryBuilder().setDaemon(true).build());
bOwnMaintainanceExecutor = true;
}
if (reconnectExecutor == null) {
reconnectExecutor = Executors.newScheduledThreadPool(DEFAULT_RECONNECT_THREAD_COUNT, new ThreadFactoryBuilder().setDaemon(true).build());
bOwnReconnectExecutor = true;
}
}
@Override
public void shutdown() {
if (bOwnMaintainanceExecutor) {
maintainanceExecutor.shutdownNow();
}
if (bOwnReconnectExecutor) {
reconnectExecutor.shutdownNow();
}
}
/*
* (non-Javadoc)
*
* @see com.netflix.cassandra.ConnectionPoolConfiguration#getKeyspaceName()
*/
@Override
public String getName() {
return this.name;
}
/*
* (non-Javadoc)
*
* @see com.netflix.cassandra.ConnectionPoolConfiguration#getSocketTimeout()
*/
@Override
public int getSocketTimeout() {
return socketTimeout;
}
public ConnectionPoolConfigurationImpl setSocketTimeout(int socketTimeout) {
this.socketTimeout = socketTimeout;
return this;
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.cassandra.ConnectionPoolConfiguration#getConnectTimeout()
*/
@Override
public int getConnectTimeout() {
return connectTimeout;
}
public ConnectionPoolConfigurationImpl setConnectTimeout(int connectTimeout) {
this.connectTimeout = connectTimeout;
return this;
}
/*
* (non-Javadoc)
*
* @see com.netflix.cassandra.ConnectionPoolConfiguration#getSeeds()
*/
@Override
public String getSeeds() {
return this.seeds;
}
public ConnectionPoolConfigurationImpl setSeeds(String seeds) {
this.seeds = seeds;
return this;
}
/**
* Returns local datacenter name
*
* @return
*/
public String getLocalDatacenter() {
return localDatacenter;
}
public ConnectionPoolConfigurationImpl setLocalDatacenter(String localDatacenter) {
this.localDatacenter = localDatacenter;
return this;
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.cassandra.ConnectionPoolConfiguration#getMaxTimeoutWhenExhausted
* ()
*/
@Override
public int getMaxTimeoutWhenExhausted() {
return this.maxTimeoutWhenExhausted;
}
public ConnectionPoolConfigurationImpl setMaxTimeoutWhenExhausted(int timeout) {
this.maxTimeoutWhenExhausted = timeout;
return this;
}
/*
* (non-Javadoc)
*
* @see com.netflix.cassandra.ConnectionPoolConfiguration#getPort()
*/
@Override
public int getPort() {
return this.port;
}
public ConnectionPoolConfigurationImpl setPort(int port) {
this.port = port;
return this;
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.cassandra.ConnectionPoolConfiguration#getMaxConnsPerHost()
*/
@Override
public int getMaxConnsPerHost() {
return this.maxConnsPerPartition;
}
public ConnectionPoolConfigurationImpl setMaxConnsPerHost(int maxConns) {
Preconditions.checkArgument(maxConns > 0, "maxConnsPerHost must be >0");
this.maxConnsPerPartition = maxConns;
return this;
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.cassandra.ConnectionPoolConfiguration#getInitConnsPerHost()
*/
@Override
public int getInitConnsPerHost() {
return this.initConnsPerPartition;
}
public ConnectionPoolConfigurationImpl setInitConnsPerHost(int initConns) {
Preconditions.checkArgument(initConns >= 0, "initConnsPerHost must be >0");
this.initConnsPerPartition = initConns;
return this;
}
/*
* (non-Javadoc)
*
* @see
* com.netflix.cassandra.ConnectionPoolConfiguration#getRetryBackoffStrategy
* ()
*/
@Override
public RetryBackoffStrategy getRetryBackoffStrategy() {
return this.hostRetryBackoffStrategy;
}
public ConnectionPoolConfigurationImpl setRetryBackoffStrategy(RetryBackoffStrategy hostRetryBackoffStrategy) {
this.hostRetryBackoffStrategy = hostRetryBackoffStrategy;
return this;
}
@Override
public HostSelectorStrategy getHostSelectorStrategy() {
return this.hostSelectorStrategy;
}
public ConnectionPoolConfigurationImpl setHostSelectorStrategy(HostSelectorStrategy hostSelectorStrategy) {
this.hostSelectorStrategy = hostSelectorStrategy;
return this;
}
/*
* (non-Javadoc)
*
* @see com.netflix.cassandra.ConnectionPoolConfiguration#getSeedHosts()
*/
@Override
public List getSeedHosts() {
List hosts = new ArrayList();
if (seeds != null) {
for (String seed : seeds.split(",")) {
seed = seed.trim();
if (seed.length() > 0) {
hosts.add(new Host(seed, this.port));
}
}
}
return hosts;
}
@Override
public int getMaxFailoverCount() {
return this.maxFailoverCount;
}
public ConnectionPoolConfigurationImpl setMaxFailoverCount(int maxFailoverCount) {
this.maxFailoverCount = maxFailoverCount;
return this;
}
@Override
public int getMaxConns() {
return this.maxConns;
}
public ConnectionPoolConfigurationImpl setMaxConns(int maxConns) {
this.maxConns = maxConns;
return this;
}
@Override
public int getLatencyAwareWindowSize() {
return this.latencyAwareWindowSize;
}
public ConnectionPoolConfigurationImpl setLatencyAwareWindowSize(int latencyAwareWindowSize) {
this.latencyAwareWindowSize = latencyAwareWindowSize;
return this;
}
@Override
public float getLatencyAwareSentinelCompare() {
return latencyAwareSentinelCompare;
}
public ConnectionPoolConfigurationImpl setLatencyAwareSentinelCompare(float latencyAwareSentinelCompare) {
this.latencyAwareSentinelCompare = latencyAwareSentinelCompare;
return this;
}
@Override
public float getLatencyAwareBadnessThreshold() {
return this.latencyAwareBadnessThreshold;
}
public ConnectionPoolConfigurationImpl setLatencyAwareBadnessThreshold(float threshold) {
this.latencyAwareBadnessThreshold = threshold;
return this;
}
@Override
public int getConnectionLimiterWindowSize() {
return this.connectionLimiterWindowSize;
}
public ConnectionPoolConfigurationImpl setConnectionLimiterWindowSize(int pendingConnectionWindowSize) {
this.connectionLimiterWindowSize = pendingConnectionWindowSize;
return this;
}
@Override
public int getConnectionLimiterMaxPendingCount() {
return this.connectionLimiterMaxPendingCount;
}
public ConnectionPoolConfigurationImpl setConnectionLimiterMaxPendingCount(int connectionLimiterMaxPendingCount) {
this.connectionLimiterMaxPendingCount = connectionLimiterMaxPendingCount;
return this;
}
@Override
public int getMaxPendingConnectionsPerHost() {
return this.maxPendingConnectionsPerHost;
}
public ConnectionPoolConfigurationImpl setMaxPendingConnectionsPerHost(int maxPendingConnectionsPerHost) {
this.maxPendingConnectionsPerHost = maxPendingConnectionsPerHost;
return this;
}
@Override
public int getMaxBlockedThreadsPerHost() {
return this.maxBlockedThreadsPerHost;
}
public ConnectionPoolConfigurationImpl setMaxBlockedThreadsPerHost(int maxBlockedThreadsPerHost) {
this.maxBlockedThreadsPerHost = maxBlockedThreadsPerHost;
return this;
}
@Override
public int getTimeoutWindow() {
return this.timeoutWindow;
}
public ConnectionPoolConfigurationImpl setTimeoutWindow(int timeoutWindow) {
this.timeoutWindow = timeoutWindow;
return this;
}
@Override
public int getMaxTimeoutCount() {
return this.maxTimeoutCount;
}
public ConnectionPoolConfigurationImpl setMaxTimeoutCount(int maxTimeoutCount) {
this.maxTimeoutCount = maxTimeoutCount;
return this;
}
@Override
public int getLatencyAwareUpdateInterval() {
return latencyAwareUpdateInterval;
}
public ConnectionPoolConfigurationImpl setLatencyAwareUpdateInterval(int latencyAwareUpdateInterval) {
this.latencyAwareUpdateInterval = latencyAwareUpdateInterval;
return this;
}
@Override
public int getLatencyAwareResetInterval() {
return latencyAwareResetInterval;
}
public ConnectionPoolConfigurationImpl setLatencyAwareResetInterval(int latencyAwareResetInterval) {
this.latencyAwareResetInterval = latencyAwareResetInterval;
return this;
}
@Override
public int getRetrySuspendWindow() {
return this.retrySuspendWindow;
}
public ConnectionPoolConfigurationImpl setRetrySuspendWindow(int retrySuspendWindow) {
this.retrySuspendWindow = retrySuspendWindow;
return this;
}
@Override
public int getMaxOperationsPerConnection() {
return maxOperationsPerConnection;
}
public ConnectionPoolConfigurationImpl setMaxOperationsPerConnection(int maxOperationsPerConnection) {
this.maxOperationsPerConnection = maxOperationsPerConnection;
return this;
}
@Override
public LatencyScoreStrategy getLatencyScoreStrategy() {
return this.latencyScoreStrategy;
}
public ConnectionPoolConfigurationImpl setLatencyScoreStrategy(LatencyScoreStrategy latencyScoreStrategy) {
this.latencyScoreStrategy = latencyScoreStrategy;
return this;
}
@Override
public BadHostDetector getBadHostDetector() {
return badHostDetector;
}
public ConnectionPoolConfigurationImpl setBadHostDetector(BadHostDetector badHostDetector) {
this.badHostDetector = badHostDetector;
return this;
}
@Override
public int getRetryMaxDelaySlice() {
return retryMaxDelaySlice;
}
public ConnectionPoolConfigurationImpl setRetryMaxDelaySlice(int retryMaxDelaySlice) {
this.retryMaxDelaySlice = retryMaxDelaySlice;
return this;
}
@Override
public int getRetryDelaySlice() {
return this.retryDelaySlice;
}
public ConnectionPoolConfigurationImpl setRetryDelaySlice(int retryDelaySlice) {
this.retryDelaySlice = retryDelaySlice;
return this;
}
public String toString() {
return ToStringBuilder.reflectionToString(this);
}
@Override
public AuthenticationCredentials getAuthenticationCredentials() {
return credentials;
}
public ConnectionPoolConfigurationImpl setAuthenticationCredentials(AuthenticationCredentials credentials) {
this.credentials = credentials;
return this;
}
@Override
public OperationFilterFactory getOperationFilterFactory() {
return filterFactory;
}
public ConnectionPoolConfigurationImpl setOperationFilterFactory(OperationFilterFactory filterFactory) {
this.filterFactory = filterFactory;
return this;
}
@Override
public Partitioner getPartitioner() {
return this.partitioner;
}
public ConnectionPoolConfigurationImpl setPartitioner(Partitioner partitioner) {
this.partitioner = partitioner;
return this;
}
@Override
public int getBlockedThreadThreshold() {
return this.blockedThreadThreshold;
}
public ConnectionPoolConfigurationImpl setBlockedThreadThreshold(int threshold) {
this.blockedThreadThreshold = threshold;
return this;
}
@Override
public float getMinHostInPoolRatio() {
return this.minHostInPoolRatio;
}
public ConnectionPoolConfigurationImpl setMinHostInPoolRatio(float ratio) {
this.minHostInPoolRatio = ratio;
return this;
}
public SSLConnectionContext getSSLConnectionContext() {
return sslCtx;
}
public ConnectionPoolConfigurationImpl setSSLConnectionContext(SSLConnectionContext sslCtx) {
this.sslCtx = sslCtx;
return this;
}
@Override
public ScheduledExecutorService getMaintainanceScheduler() {
return maintainanceExecutor;
}
public ConnectionPoolConfigurationImpl setMaintainanceScheduler(ScheduledExecutorService executor) {
maintainanceExecutor = executor;
bOwnMaintainanceExecutor = false;
return this;
}
@Override
public ScheduledExecutorService getHostReconnectExecutor() {
return this.reconnectExecutor;
}
public ConnectionPoolConfigurationImpl setHostReconnectExecutor(ScheduledExecutorService executor) {
reconnectExecutor = executor;
bOwnReconnectExecutor = false;
return this;
}
@Override
public OperationTracer getOperationTracer() {
return opTracer;
}
public ConnectionPoolConfigurationImpl setOperationTracer(OperationTracer opTracer) {
this.opTracer = opTracer;
return this;
}
}