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Quan Siyi commented on IOTDB-3971: ---------------------------------- I compare the performance of cross space copmaction and unseq inner space compaction for aligned timeseries among three commits. b309f71b959044cda2c5c37ca96bf89c69fbd640: {*}{*}Row-based data block + row-based data process 70772cb8684315814959974811440f746e5c19c3: Column-based data block + row-based data process def138b5909e5df76440836719b62ebc4b48daeb: Column-based data block + column-based data process 21 sequence tsfile and 21 unsequence tsfiles with one storage group, 100 devices, 300 sensors, and average 235470 points on each sensor. unsequence inner space copmaction: b3: 3.4932 Mb/s 70: 2.3602Mb/s de: 4.4297Mb/s cross space compaction: b3: 1.9377 Mb/s 70: 2.1735Mb/s de: 2.7183Mb/s > Improve the process of writing chunks in compaction for aligned series > ---------------------------------------------------------------------- > > Key: IOTDB-3971 > URL: https://issues.apache.org/jira/browse/IOTDB-3971 > Project: Apache IoTDB > Issue Type: Improvement > Components: Core/Compaction > Reporter: Quan Siyi > Assignee: Quan Siyi > Priority: Major > Labels: pull-request-available > Fix For: 0.14.0-SNAPSHOT > > -- This message was sent by Atlassian Jira (v8.20.10#820010)