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Internal operating during "SHUTDOWN IMMEDIATE"
Looking at the altibase_boot.log, stopping is terminated by performing the process in the reverse order of when it is started. The operations that Altibase internally operates during "SHUTDOWN IMMEDIATE" are as follows.
- Prepare for stopping and terminate for each module
  - Termination of modules such as SERVICE, Database Link, Security, Query Processor, Storage Manager, etc. (02) ~ (10)
- Release all resources used during the server operation
  - Checkpoint Manager, Memory Garbage Collector, Delete Manager, etc. (11) ~ (42)
  - Table Compaction (14)
    - After allocating in memory, return the unreturned space to the system
  - Flush All Dirty Pages And Checkpoint Database (24)
    - Flush to disk for Dirty Pages among pages loaded in the memory buffer
    - Checkpoint data in memory tablespace
    - When there are more objects that need to be flushed and objects that need to be checkpointed, the waiting time increases when stopped.

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