# TO DO
In case of drop segment transform in delete all the create/update record operation in transaction for the relative segment
## Features
# Tests TO DO
## Multithread
manipolate record of segment while another thread drop the segment
## Allocation
Add test case for check if disk space is returned correctly after drop segment
## Scan Transactions
Test failure of scan of a segment created in another tx
# Code cleanup
check for in tests module refer and remove double implementation of CountDown
# Optimizations
Remove segment check in prepare-commit record locks