Re: Logical Replication speed-up initial data

2021-08-04 Thread Nikhil Shetty
Hi Stefano, Thank you for the information. Regards, Nikhil On Wed, Aug 4, 2021 at 9:25 PM Stefano Amoroso wrote: > Hello, > in my experience, to speed up the initial load, I had to drop UKs and FKs. > Unfortunately, the initial load doesn't work in parallel and, for each > table, there is only

Re: Logical Replication speed-up initial data

2021-08-04 Thread Nikhil Shetty
Hi, Thank you for the suggestion. We tried by dropping indexes and it worked faster compared to what we saw earlier. We wanted to know if anybody has done any other changes that helps speed-up initial data load without dropping indexes. Thanks, Nikhil On Wed, Aug 4, 2021 at 8:54 PM Hüseyin Demi

Re: Logical Replication speed-up initial data

2021-08-04 Thread Christophe Pettus
> On Aug 4, 2021, at 08:06, Nikhil Shetty wrote: > > How can we increase the speed of the initial data load without dropping the > indexes on destination? You can do the usual steps of increasing checkpoint_timeout and max_wal_size (since incoming logical replication changes are WAL logged)

Re: Logical Replication speed-up initial data

2021-08-04 Thread Stefano Amoroso
Hello, in my experience, to speed up the initial load, I had to drop UKs and FKs. Unfortunately, the initial load doesn't work in parallel and, for each table, there is only one sync worker. Regards Stefano Amoroso Il giorno mer 4 ago 2021 alle ore 17:24 Hüseyin Demir < demirhuseyinn...@gmail.co

Re: Logical Replication speed-up initial data

2021-08-04 Thread Hüseyin Demir
Hello, I also faced a similar issue. Try removing the indexes on the destination first if possible. After that, you can add the indexes. Regards. Nikhil Shetty , 4 Ağu 2021 Çar, 18:07 tarihinde şunu yazdı: > Hi Team, > > We have a highly transactional system as the source of logical replicatio

Logical Replication speed-up initial data

2021-08-04 Thread Nikhil Shetty
Hi Team, We have a highly transactional system as the source of logical replication and the database size is 500GB+. We are replicating all tables from source using logical replication. For two tables the initial data load is very slow and it never completes even after 24hrs+ Table size is under