private ExecutorHolder rebuild(
String name,
ExecutorHolder previousExecutorHolder,
@Nullable Settings settings,
Settings defaultSettings) {
if (Names.SAME.equals(name)) {
// Don't allow to change the "same" thread executor
return previousExecutorHolder;
}
if (settings == null) {
settings = ImmutableSettings.Builder.EMPTY_SETTINGS;
}
Info previousInfo = previousExecutorHolder != null ? previousExecutorHolder.info : null;
String type =
settings.get(
"type", previousInfo != null ? previousInfo.getType() : defaultSettings.get("type"));
ThreadFactory threadFactory = EsExecutors.daemonThreadFactory(this.settings, name);
if ("same".equals(type)) {
if (previousExecutorHolder != null) {
logger.debug("updating thread_pool [{}], type [{}]", name, type);
} else {
logger.debug("creating thread_pool [{}], type [{}]", name, type);
}
return new ExecutorHolder(MoreExecutors.sameThreadExecutor(), new Info(name, type));
} else if ("cached".equals(type)) {
TimeValue defaultKeepAlive = defaultSettings.getAsTime("keep_alive", timeValueMinutes(5));
if (previousExecutorHolder != null) {
if ("cached".equals(previousInfo.getType())) {
TimeValue updatedKeepAlive =
settings.getAsTime("keep_alive", previousInfo.getKeepAlive());
if (!previousInfo.getKeepAlive().equals(updatedKeepAlive)) {
logger.debug(
"updating thread_pool [{}], type [{}], keep_alive [{}]",
name,
type,
updatedKeepAlive);
((EsThreadPoolExecutor) previousExecutorHolder.executor)
.setKeepAliveTime(updatedKeepAlive.millis(), TimeUnit.MILLISECONDS);
return new ExecutorHolder(
previousExecutorHolder.executor,
new Info(name, type, -1, -1, updatedKeepAlive, null));
}
return previousExecutorHolder;
}
if (previousInfo.getKeepAlive() != null) {
defaultKeepAlive = previousInfo.getKeepAlive();
}
}
TimeValue keepAlive = settings.getAsTime("keep_alive", defaultKeepAlive);
if (previousExecutorHolder != null) {
logger.debug(
"updating thread_pool [{}], type [{}], keep_alive [{}]", name, type, keepAlive);
} else {
logger.debug(
"creating thread_pool [{}], type [{}], keep_alive [{}]", name, type, keepAlive);
}
Executor executor =
EsExecutors.newCached(keepAlive.millis(), TimeUnit.MILLISECONDS, threadFactory);
return new ExecutorHolder(executor, new Info(name, type, -1, -1, keepAlive, null));
} else if ("fixed".equals(type)) {
int defaultSize =
defaultSettings.getAsInt("size", EsExecutors.boundedNumberOfProcessors(settings));
SizeValue defaultQueueSize =
defaultSettings.getAsSize("queue", defaultSettings.getAsSize("queue_size", null));
if (previousExecutorHolder != null) {
if ("fixed".equals(previousInfo.getType())) {
SizeValue updatedQueueSize =
settings.getAsSize(
"capacity",
settings.getAsSize(
"queue", settings.getAsSize("queue_size", previousInfo.getQueueSize())));
if (Objects.equal(previousInfo.getQueueSize(), updatedQueueSize)) {
int updatedSize = settings.getAsInt("size", previousInfo.getMax());
if (previousInfo.getMax() != updatedSize) {
logger.debug(
"updating thread_pool [{}], type [{}], size [{}], queue_size [{}]",
name,
type,
updatedSize,
updatedQueueSize);
((EsThreadPoolExecutor) previousExecutorHolder.executor).setCorePoolSize(updatedSize);
((EsThreadPoolExecutor) previousExecutorHolder.executor)
.setMaximumPoolSize(updatedSize);
return new ExecutorHolder(
previousExecutorHolder.executor,
new Info(name, type, updatedSize, updatedSize, null, updatedQueueSize));
}
return previousExecutorHolder;
}
}
if (previousInfo.getMax() >= 0) {
defaultSize = previousInfo.getMax();
}
defaultQueueSize = previousInfo.getQueueSize();
}
int size = settings.getAsInt("size", defaultSize);
SizeValue queueSize =
settings.getAsSize(
"capacity",
settings.getAsSize("queue", settings.getAsSize("queue_size", defaultQueueSize)));
logger.debug(
"creating thread_pool [{}], type [{}], size [{}], queue_size [{}]",
name,
type,
size,
queueSize);
Executor executor =
EsExecutors.newFixed(
size, queueSize == null ? -1 : (int) queueSize.singles(), threadFactory);
return new ExecutorHolder(executor, new Info(name, type, size, size, null, queueSize));
} else if ("scaling".equals(type)) {
TimeValue defaultKeepAlive = defaultSettings.getAsTime("keep_alive", timeValueMinutes(5));
int defaultMin = defaultSettings.getAsInt("min", 1);
int defaultSize =
defaultSettings.getAsInt("size", EsExecutors.boundedNumberOfProcessors(settings));
if (previousExecutorHolder != null) {
if ("scaling".equals(previousInfo.getType())) {
TimeValue updatedKeepAlive =
settings.getAsTime("keep_alive", previousInfo.getKeepAlive());
int updatedMin = settings.getAsInt("min", previousInfo.getMin());
int updatedSize =
settings.getAsInt("max", settings.getAsInt("size", previousInfo.getMax()));
if (!previousInfo.getKeepAlive().equals(updatedKeepAlive)
|| previousInfo.getMin() != updatedMin
|| previousInfo.getMax() != updatedSize) {
logger.debug(
"updating thread_pool [{}], type [{}], keep_alive [{}]",
name,
type,
updatedKeepAlive);
if (!previousInfo.getKeepAlive().equals(updatedKeepAlive)) {
((EsThreadPoolExecutor) previousExecutorHolder.executor)
.setKeepAliveTime(updatedKeepAlive.millis(), TimeUnit.MILLISECONDS);
}
if (previousInfo.getMin() != updatedMin) {
((EsThreadPoolExecutor) previousExecutorHolder.executor).setCorePoolSize(updatedMin);
}
if (previousInfo.getMax() != updatedSize) {
((EsThreadPoolExecutor) previousExecutorHolder.executor)
.setMaximumPoolSize(updatedSize);
}
return new ExecutorHolder(
previousExecutorHolder.executor,
new Info(name, type, updatedMin, updatedSize, updatedKeepAlive, null));
}
return previousExecutorHolder;
}
if (previousInfo.getKeepAlive() != null) {
defaultKeepAlive = previousInfo.getKeepAlive();
}
if (previousInfo.getMin() >= 0) {
defaultMin = previousInfo.getMin();
}
if (previousInfo.getMax() >= 0) {
defaultSize = previousInfo.getMax();
}
}
TimeValue keepAlive = settings.getAsTime("keep_alive", defaultKeepAlive);
int min = settings.getAsInt("min", defaultMin);
int size = settings.getAsInt("max", settings.getAsInt("size", defaultSize));
if (previousExecutorHolder != null) {
logger.debug(
"updating thread_pool [{}], type [{}], min [{}], size [{}], keep_alive [{}]",
name,
type,
min,
size,
keepAlive);
} else {
logger.debug(
"creating thread_pool [{}], type [{}], min [{}], size [{}], keep_alive [{}]",
name,
type,
min,
size,
keepAlive);
}
Executor executor =
EsExecutors.newScaling(
min, size, keepAlive.millis(), TimeUnit.MILLISECONDS, threadFactory);
return new ExecutorHolder(executor, new Info(name, type, min, size, keepAlive, null));
}
throw new ElasticSearchIllegalArgumentException(
"No type found [" + type + "], for [" + name + "]");
}
public ScheduledFuture<?> schedule(TimeValue delay, String name, Runnable command) {
if (!Names.SAME.equals(name)) {
command = new ThreadedRunnable(command, executor(name));
}
return scheduler.schedule(command, delay.millis(), TimeUnit.MILLISECONDS);
}