Will Altering and Modifying tables during backup result in a corrupted server after the restore?

[Yashwanth Govinda Setty <ygovindasetty@xxxxxxxxxxxxx>]

Hi All,

 

We are trying this scenario:

Here are the steps being done:

1.       Creating a big table. Identify the physical file on the disk.

2. While backup process is backing up a file associated with the table - update the rows , add a column.
3. Restore the server with transaction logs

 

We are backing up (copying) the entire postgres data directory. The database/table file being backed up (copied), is modified by running alter/update queries on the table.

When we restore the copied data directory and replay/apply the transaction logs, will the server be restored to an healthy state?

(The files modified during backup can be corrupted, will this affect the restore?)

 

Thanks,

Yashwanth

 

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