[IOTDB-4364] Reduce read amplication in compaction

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: master branch, 0.13.3
• Labels: pull-request-available
• Sprint: 2022-9-Cluster
• Assignee: 周沛辰
• Reporter: 周沛辰
• Created: 08/Sep/22 03:48
• Updated: 22/Sep/22 02:11
• Resolved: 22/Sep/22 02:11

Description

In massive timeseries scenarios, each device has 20 timeseries, and each file has tens of thousands of devices, that is, millions of timeseries. Read throughput in cross compaction is 100 times greater than write throughput.

 

Issue Links

• links to: GitHub Pull Request #7301
• links to: GitHub Pull Request #7312
• links to: GitHub Pull Request #7357