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fix并发情况下server端删除日志时数据已经被其他server删除的问题

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ocean23 2021-01-01 14:17:54 +08:00
parent 11054e9761
commit 0e77a23e76
1 changed files with 17 additions and 1 deletions
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18
powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/persistence/mongodb/GridFsManager.java
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@ -1,6 +1,7 @@
package com.github.kfcfans.powerjob.server.persistence.mongodb; package com.github.kfcfans.powerjob.server.persistence.mongodb;
import com.github.kfcfans.powerjob.server.common.PowerJobServerConfigKey; import com.github.kfcfans.powerjob.server.common.PowerJobServerConfigKey;
import com.github.kfcfans.powerjob.server.service.lock.LockService;
import com.google.common.base.Stopwatch; import com.google.common.base.Stopwatch;
import com.google.common.collect.Maps; import com.google.common.collect.Maps;
import com.mongodb.client.MongoDatabase; import com.mongodb.client.MongoDatabase;
@ -38,6 +39,8 @@ public class GridFsManager implements InitializingBean {
@Resource @Resource
private Environment environment; private Environment environment;
@Resource
private LockService lockService;
private MongoDatabase db; private MongoDatabase db;
private boolean available; private boolean available;
@ -107,9 +110,22 @@ public class GridFsManager implements InitializingBean {
* @param day 日期偏移量，单位 天 * @param day 日期偏移量，单位 天
*/ */
public void deleteBefore(String bucketName, int day) { public void deleteBefore(String bucketName, int day) {
String deleteFsLock = "deleteFsLock";
// 只要第一个server抢到锁其他server就会返回，所以锁10分钟应该足够了
boolean lock = lockService.lock(deleteFsLock, 10 * 60 * 1000);
if (!lock) {
log.info("[GridFsManager] deleted task is running, it's ok to return.");
return;
}
try{
deleteHistoryFile(bucketName, day);
}finally {
lockService.unlock(deleteFsLock);
}
}
private void deleteHistoryFile(String bucketName, int day) {
Stopwatch sw = Stopwatch.createStarted(); Stopwatch sw = Stopwatch.createStarted();
Date date = DateUtils.addDays(new Date(), -day); Date date = DateUtils.addDays(new Date(), -day);
GridFSBucket bucket = getBucket(bucketName); GridFSBucket bucket = getBucket(bucketName);
Bson filter = Filters.lt("uploadDate", date); Bson filter = Filters.lt("uploadDate", date);