changxue created IOTDB-5015:
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Summary: [write]when writing for about 6 hours to only 1 sensor,
the writing stopped with error: too many requests need to process
Key: IOTDB-5015
URL: https://issues.apache.org/jira/browse/IOTDB-5015
Project: Apache IoTDB
Issue Type: Bug
Components: Core/Server
Affects Versions: 0.14.0-SNAPSHOT
Reporter: changxue
Assignee: Haonan Hou
Attachments: allnodes-logs.tar.gz, config.properties
[write]when writing for about 6 hours to only 1 sensor, the writing stopped
with error: too many requests need to process
environment:
3C3D cluster, 2 replicas
|RegionId|Type|Status|Database|SeriesSlotId|TimeSlotId|DataNodeId|Host|RpcPort|Role|
|10|SchemaRegion|Running|root.aggr.g_0|1|0|1|172.20.70.44|6667|Follower|
|10|SchemaRegion|Running|root.aggr.g_0|1|0|5|172.20.70.46|6667|Leader|
|11|DataRegion|Running|root.aggr.g_0|1|10|1|172.20.70.44|6667|Follower|
|11|DataRegion|Running|root.aggr.g_0|1|10|5|172.20.70.46|6667|Leader|
reproduction:
1. start the cluster successfully
2. start the 0.13 benchmark at about 20:23 Nov.21, the benchmark configuration
see the attachment of config.properties
3. errors occurred at about 3:20 Nov.22 and writing can't be continued.
4. 6:30 Nov.22, I start benchmark again, but can't write to iotdb successfully
5. run stop-datanode.sh and start-datanode.sh at the bad node of 46
6. start benchmark again, now it can write successfully
172.20.70.46 datanode:
{code}
2022-11-22 03:20:23,586 [pool-8-IoTDB-WAL-Delete-1] INFO
o.a.i.d.w.n.WALNode$DeleteOutdatedFileTask:367 - WAL node-root.aggr.g_0-11
flushes memTable-4510 to TsFile
/data/iotdb/apache-iotdb-0.14.0-SNAPSHOT-all-bin/data/datanode/data/sequence/root.aggr.g_0/11/52/1669036247165-4504-0-0.tsfile,
memTable size is 1531600.
2022-11-22 03:20:42,915
[pool-25-IoTDB-ClientRPC-Processor-2$20221121_192013_20413_5.1.0] ERROR
o.a.i.d.m.p.s.FragmentInstanceDispatcherImpl:234 - write locally failed.
TSStatus: TSStatus(code:606, message:Reject write because there are too many
requests need to process), message: Reject write because there are too many
requests need to process
2022-11-22 03:20:42,978
[pool-25-IoTDB-ClientRPC-Processor-2$20221121_192043_20414_5.1.0] INFO
o.a.i.c.m.MultiLeaderServerImpl:178 - [Throttle Down] index:380448,
safeIndex:380448
2022-11-22 03:20:43,594 [pool-8-IoTDB-WAL-Delete-1] INFO
o.a.i.d.w.n.WALNode$DeleteOutdatedFileTask:242 - Effective information ratio
1.8484028968067935E-4 (active memTables cost is 13563200, flushed memTables
cost is 73364378500) of wal node-root.aggr.g_0-11 is below wal min effective
info ratio 0.1, some memTables will be snapshot or flushed.
{code}
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