master ：Compaction recover causes of data loss (Before this problem there was the kill operation in revover）

master 0073a28384cdb84e9469dbf98705ab158dd43a31

1. Run the Benchmark tool ，Execute 2 times in serial
See the attachment for configuration parameters

2. Execute q.sh （All SQL results：200000000）
Ensure that data is correct before the restart

3. Back up data

4.Execute stop-server.sh when compacting

5. Execute start-server.sh
Execute q.sh （All SQL results：200000000）
Run for about 30 minutes
Execute stop-server.sh when compacting

6. Back up data

7. Execute start-server.sh
Execute “killall -u xx” before "Congratulation, IoTDB is set up successfully. Now, enjoy yourself!"
That is to say,
Execute “killall -u xx” when recovering.

8. Back up data

9. Execute start-server.sh
Execute q.sh（The expected value of all SQL results is：200000000） :
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Total line number = 1
It costs 69.841s
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Total line number = 1
It costs 64.820s