刘珍 created IOTDB-4209:
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Summary: [ schema recovery ] Aligned timeseries recovery is slow
Key: IOTDB-4209
URL: https://issues.apache.org/jira/browse/IOTDB-4209
Project: Apache IoTDB
Issue Type: Bug
Components: Core/Schema Manager
Affects Versions: 0.14.0-SNAPSHOT
Reporter: 刘珍
Assignee: Yukun Zhou
单机，sf_tree_seg，0819_207abf6
bm创建对齐序列耗时650.73 second
恢复这些序列耗时{color:#DE350B}*1716436ms*{color}， 需优化对齐序列的恢复性能。
bm运行时间19分钟：
2022-08-22 09:56:01 到 2022-08-22 10:15:42
{color:#00875A}*Create schema cost 650.73 second*{color}
Test elapsed time (not include schema creation): 308.10 second
iotdb重启恢复：
2022-08-22 13:19:19,195 [main] INFO o.a.i.db.service.IoTDB:140 - recover the
schema...
2022-08-22 13:47:55,631 [main] INFO o.a.i.db.service.IoTDB:234 - spend
{color:#DE350B}*1716436ms*{color} to recover schema.
log_all.log 耗时38分钟
2022-08-22 13:19:18 到2022-08-22 13:57:52,856 [main] INFO
o.a.i.db.service.IoTDB:198 - Congratulation, IoTDB is set up successfully. Now,
enjoy yourself!
复测流程：
1. 192.168.10.64 72C256G
MAX_HEAP_SIZE="192G"
MAX_DIRECT_MEMORY_SIZE="32G"
mlog_buffer_size=10485760
schema_engine_mode=Schema_File
2. benchmark运行附件中的脚本
benchmark在本机路径/data/liuzhen_test/weektest/benchmark_tool_v13 （0620的benchmark）
主要配置
DEVICE_NUMBER=500
SENSOR_NUMBER=200000
CLIENT_NUMBER=20
GROUP_NUMBER=100
VECTOR=true
LOOP=1
BATCH_SIZE_PER_WRITE=1
OPERATION_PROPORTION=1:0:0:0:0:0:0:0:0:0:0
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