LRU路由更新不及时问题修复

master
xuxueli 6 years ago
parent 0c97707087
commit 878df30bbc
  1. 3
      doc/XXL-JOB官方文档.md
  2. 14
      xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLFU.java
  3. 15
      xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java

@ -1427,7 +1427,8 @@ Tips: 历史版本(V1.3.x)目前已经Release至稳定版本, 进入维护阶段
- 13、执行器热部署时JobHandler重新初始化,修复由此导致的 "jobhandler naming conflicts." 问题;
- 14、新增Class的加载缓存,解决频繁加载Class会使jvm的方法区空间不足导致OOM的问题;
- 15、调整首页报表默认区间为本周,避免日志量太大查询缓慢;
- 16、[迭代中]任务线程隔离:
- 16、LRU路由更新不及时问题修复;
- 17、[迭代中]任务线程隔离:
- 执行器测异步响应,不存在阻塞不需要隔离;
- 调度中心共用单一调度线程池,可能导致调度阻塞需要线程隔离;调度线程池拆分为Fast/Slow两个,针对调度较慢的执行器地址请求,降级使用Slow线程池;考虑是否可以任务级隔离线程池;

@ -33,11 +33,25 @@ public class ExecutorRouteLFU extends ExecutorRouter {
lfuItemMap = new HashMap<String, Integer>();
jobLfuMap.putIfAbsent(jobId, lfuItemMap); // 避免重复覆盖
}
// put new
for (String address: addressList) {
if (!lfuItemMap.containsKey(address) || lfuItemMap.get(address) >1000000 ) {
lfuItemMap.put(address, new Random().nextInt(addressList.size())); // 初始化时主动Random一次,缓解首次压力
}
}
// remove old
List<String> delKeys = new ArrayList<>();
for (String existKey: lfuItemMap.keySet()) {
if (!addressList.contains(existKey)) {
delKeys.add(existKey);
}
}
if (delKeys.size() > 0) {
for (String delKey: delKeys) {
lfuItemMap.remove(delKey);
}
}
// load least userd count address
List<Map.Entry<String, Integer>> lfuItemList = new ArrayList<Map.Entry<String, Integer>>(lfuItemMap.entrySet());

@ -4,6 +4,7 @@ import com.xxl.job.admin.core.route.ExecutorRouter;
import com.xxl.job.core.biz.model.ReturnT;
import com.xxl.job.core.biz.model.TriggerParam;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
@ -40,12 +41,24 @@ public class ExecutorRouteLRU extends ExecutorRouter {
jobLRUMap.putIfAbsent(jobId, lruItem);
}
// put
// put new
for (String address: addressList) {
if (!lruItem.containsKey(address)) {
lruItem.put(address, address);
}
}
// remove old
List<String> delKeys = new ArrayList<>();
for (String existKey: lruItem.keySet()) {
if (!addressList.contains(existKey)) {
delKeys.add(existKey);
}
}
if (delKeys.size() > 0) {
for (String delKey: delKeys) {
lruItem.remove(delKey);
}
}
// load
String eldestKey = lruItem.entrySet().iterator().next().getKey();

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