Liuxuxin created IOTDB-1911:
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Summary: Fix data increase after shutting down IoTDB, changing
data dirs, then recovering it
Key: IOTDB-1911
URL: https://issues.apache.org/jira/browse/IOTDB-1911
Project: Apache IoTDB
Issue Type: Bug
Affects Versions: master branch
Reporter: Liuxuxin
Assignee: Liuxuxin
Fix For: master branch
# Description
If the IoTDB is shut down when compacting, and user change the data dirs then
restart IoTDB, the data will increase abnormally.
# Cause
The compaction log records the information of source files and target file
using their absolute path. If the data dirs is changed, the recover process
cannot find the target file and source files correctly, which may lead to the
failure of deleting target file or source files . Therefore, the new compaction
process may continue to write on the undeleted target tsfile. The redudant data
will be kept in target tsfile.
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