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add createConsumers() #11

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add createConsumers() #11

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55 changes: 23 additions & 32 deletions .../src/main/java/com/xiaojukeji/carrera/consumer/thrift/client/BaseCarreraConsumerPool.java
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Original file line number Diff line number Diff line change
Expand Up @@ -82,47 +82,38 @@ protected void baseStartConsume(BaseMessageProcessor processor, int concurrency,
}

private void startConsume(BaseMessageProcessor processor, int concurrency, Map<String, Integer> extraConcurrency, List<Node> servers) {
int totalThreads = concurrency > 0 ? Math.max(concurrency, servers.size()) : 0;
int serverCnt = servers.size();
int totalThreads = concurrency > 0 ? Math.max(concurrency, serverCnt) : 0;
for (Integer topicConcurrency : extraConcurrency.values()) {
totalThreads += topicConcurrency > 0 ? Math.max(topicConcurrency, servers.size()) : 0;
totalThreads += topicConcurrency > 0 ? Math.max(topicConcurrency, serverCnt) : 0;
}
if (totalThreads == 0) {
throw new RuntimeException("concurrency is too small, at least one for each server.");
}
executorService = Executors.newFixedThreadPool(totalThreads, new ThreadFactoryBuilder().setNameFormat("MessageProcess-%d").build());
createConsumers(processor, concurrency, servers, null);
for (Map.Entry<String, Integer> entry : extraConcurrency.entrySet()) {
int c = entry.getValue();
String topic = entry.getKey();
createConsumers(processor, c, servers, topic);
}
}

Collections.shuffle(servers);

protected void createConsumers(BaseMessageProcessor processor, int concurrency, List<Node> servers, String topic) {
if (concurrency <= 0) {
return;
}
int serverCnt = servers.size();
if (concurrency > 0) {
if (concurrency < serverCnt) {
LOGGER.warn("concurrency({})<server number({}), use {} as concurrency", concurrency, serverCnt, serverCnt);
concurrency = serverCnt;
}
for (int i = 0; i < serverCnt; i++) {
int threadNumber = concurrency / serverCnt;
threadNumber += i < concurrency % serverCnt ? 1 : 0;
if (threadNumber == 0) {
LOGGER.warn("no thread for server:{}", servers.get(i));
} else {
createConsumer(processor, threadNumber, servers.get(i), null);
}
}
if (concurrency < serverCnt) {
LOGGER.warn("concurrency({})<server number({}), use {} as concurrency", concurrency, serverCnt, serverCnt);
concurrency = serverCnt;
}

for (Map.Entry<String, Integer> entry : extraConcurrency.entrySet()) {
int c = entry.getValue();
if (c == 0) continue;
if (c < serverCnt) {
LOGGER.warn("concurrency({})<server number({}), use {} as concurrency", c, serverCnt, serverCnt);
c = serverCnt;
}
Collections.shuffle(servers);
for (int i = 0; i < serverCnt; i++) {
int threadNumber = c / serverCnt;
threadNumber += i < c % serverCnt ? 1 : 0;
createConsumer(processor, threadNumber, servers.get(i), entry.getKey());
}
Collections.shuffle(servers);
int threadNumber = concurrency / serverCnt;
int threadExtraNumber = concurrency % serverCnt;
for (int i = 0; i < serverCnt; i++) {
int extra = i < threadExtraNumber ? 1 : 0;
createConsumer(processor, threadNumber + extra, servers.get(i), topic);
}
}

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