[IOTDB-1390] Unseq compaction loss data in seq file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: master branch, 0.11.4, 0.12.1
• Component/s: Core/Compaction
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: 张凌哲
• Created: 24/May/21 09:04
• Updated: 27/May/21 06:20
• Resolved: 27/May/21 06:20

Description

set compaction_strategy = LEVEL_COMPACTION

use the `data` to recover the IoTDB. After Recovery, it will merge the unseq data automatically. After unseq compaction, the data of some sensor in seq file loss.

use the following SQL to check data status before and after unseq compaction.

select Channel96 from root.*.J053102.T034.V1 where time >= 2021-05-18 22:32:27 and time <= 2021-05-18 22:32:37;

Issue Links

• links to: GitHub Pull Request #3254
• links to: GitHub Pull Request #3255
• links to: GitHub Pull Request #3256