Re: Question about unlogged to logged conversion

2018-12-27 Thread Michael Paquier
On Thu, Dec 27, 2018 at 05:52:14PM -0500, Ravi Krishna wrote: > Unlogged tables are not stored in the catalog like a regular table. When > it is converted to a logged table , the entire operation is logged (goes > into wal logs) in one single transaction, blocking the entire table > during the proc

Re: Question about unlogged to logged conversion

2018-12-27 Thread Ravi Krishna
On Thu, Dec 27, 2018, at 5:23 PM, Bhavin Gandhi wrote: > Hello, > I'm trying to understand for a given unlogged table of a specific size > and # of rows, if I do "alter table" on it to convert it to logged > table, is there a performance difference between 9.5, 9.6 and 10? in > other words are the

Question about unlogged to logged conversion

2018-12-27 Thread Bhavin Gandhi
Hello, I'm trying to understand for a given unlogged table of a specific size and # of rows, if I do "alter table" on it to convert it to logged table, is there a performance difference between 9.5, 9.6 and 10? in other words are there specific improvements in this area that may not be available in