刘珍 created IOTDB-4449:
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Summary: [ MultiLeaderConsensus ] Very low write performance at
100k timeseries per dev
Key: IOTDB-4449
URL: https://issues.apache.org/jira/browse/IOTDB-4449
Project: Apache IoTDB
Issue Type: Bug
Components: mpp-cluster
Affects Versions: 0.14.0-SNAPSHOT
Reporter: 刘珍
Assignee: Jinrui Zhang
Attachments: image-2022-09-19-18-08-27-560.png
m_0918_a28329e
multiLeader，{color:#DE350B}*在单个设备包含的序列较多时，写入性能变得非常慢*{color}。
1用户，1dev，10w序列，batch size=2，LOOP=10，即每序列写入20个点，相同数据库配置
与新单机的性能对比：
!image-2022-09-19-18-08-27-560.png!
测试环境
1. 192.168.10.71/72/73/74 48核384G
bm在ip71
confignode配置参数
MAX_HEAP_SIZE="8G"
schema_region_consensus_protocol_class=org.apache.iotdb.consensus.ratis.RatisConsensus
data_region_consensus_protocol_class=org.apache.iotdb.consensus.multileader.MultiLeaderConsensus
schema_replication_factor=3
data_replication_factor=3
connection_timeout_ms=3600000
DataNode配置
MAX_HEAP_SIZE="256G"
MAX_DIRECT_MEMORY_SIZE="32G"
max_connection_for_internal_service=300
enable_timed_flush_seq_memtable=true
seq_memtable_flush_interval_in_ms=3600000
seq_memtable_flush_check_interval_in_ms=600000
enable_timed_flush_unseq_memtable=true
unseq_memtable_flush_interval_in_ms=3600000
unseq_memtable_flush_check_interval_in_ms=600000
max_deduplicated_path_num=1000000
max_waiting_time_when_insert_blocked=3600000
query_timeout_threshold=36000000
2. bm配置见附件
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