[IOTDB-3755] [ Compaction ] ERROR o.a.i.d.e.c.l.LevelCompactionTsFileManagement:567 - Error occurred in Compaction Merge thread

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.12.6
• Component/s: Core/Compaction
• Sprint: 2022-7-Cluster
• Assignee: Liuxuxin
• Reporter: 刘珍
• Created: 06/Jul/22 01:22
• Updated: 06/Jul/22 07:02
• Resolved: 06/Jul/22 07:02

Description

rel/0.12 ffacd3f25965bdc2e1aca176bceae3d7ebab01b6

长测配置（见附件）+ TTL ，合并报错：
2022-07-06 05:47:26,576 [pool-10-IoTDB-Compaction-4] ERROR o.a.i.d.e.c.l.LevelCompactionTsFileManagement:567 - Error occurred in Compaction Merge thread
java.io.IOException: null
at org.apache.iotdb.db.engine.compaction.utils.CompactionUtils.merge(CompactionUtils.java:306)
at org.apache.iotdb.db.engine.compaction.level.LevelCompactionTsFileManagement.merge(LevelCompactionTsFileManagement.java:509)
at org.apache.iotdb.db.engine.compaction.level.LevelCompactionTsFileManagement.merge(LevelCompactionTsFileManagement.java:397)
at org.apache.iotdb.db.engine.compaction.TsFileManagement$CompactionMergeTask.call(TsFileManagement.java:311)
at org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor.syncCompactOnePartition(StorageGroupProcessor.java:2041)
at org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor.access$100(StorageGroupProcessor.java:136)
at org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor$CompactionAllPartitionTask.call(StorageGroupProcessor.java:543)
at org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor.merge(StorageGroupProcessor.java:2177)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

复现流程：
1. 私有云 172.20.70.28 8C32G
MAX_HEAP_SIZE="16G"
wal_buffer_size=1048576

2. benchmark 172.20.70.30 ( /data/benchmark/bm_0620_7ec96c1_v12 )
GROUP_NUMBER=50
DEVICE_NUMBER=2000
SENSOR_NUMBER=1000
CLIENT_NUMBER=100
OPERATION_PROPORTION=70:1:1:1:1:0:1:1:1:1:1

设置TTL的脚本见附件。