On Thu, Jun 16, 2016 at 5:07 PM, Dave Page <dp...@pgadmin.org> wrote:
> > > On Thu, Jun 16, 2016 at 12:19 PM, Khushboo Vashi < > khushboo.va...@enterprisedb.com> wrote: > >> >> >> On Thu, Jun 16, 2016 at 4:42 PM, Dave Page <dp...@pgadmin.org> wrote: >> >>> >>> >>> On Thu, Jun 16, 2016 at 12:04 PM, Akshay Joshi < >>> akshay.jo...@enterprisedb.com> wrote: >>> >>>> Hi Dave >>>> >>>> On Thu, Jun 16, 2016 at 2:42 PM, Akshay Joshi <akshay.joshi@ >>>> enterprisedb.com> wrote: >>>> >>>>> >>>>> >>>>> On Thu, Jun 16, 2016 at 2:35 PM, Dave Page <dp...@pgadmin.org> wrote: >>>>> >>>>>> Thanks, patch applied. >>>>>> >>>>>> However, whilst I was testing, I saw just how slow the tool is: >>>>>> >>>>>> SELECT * FROM pg_attribute >>>>>> >>>>>> In a PEM database, returns 8150 rows. In pgAdmin 3, this is timed at >>>>>> 676ms on my laptop. In pgAdmin 4, the busy spinner runs for approx 5 >>>>>> seconds, then the whole UI freezes. I then have to wait a further 3 >>>>>> minutes >>>>>> and 46 seconds(!!!!) for the operation to complete. Once loaded, >>>>>> scrolling >>>>>> is very sluggish. >>>>>> >>>>>> Please make this your top priority - and if you have incremental >>>>>> improvements, send them as you have them. >>>>>> >>>>> >>>>> Sure. >>>>> >>>> >>>> Below is my initial finding while running "SELECT * FROM >>>> pg_attribute" on PEM database, returns 8498 rows: >>>> >>>> - Fetching data from the server side took consistent time and it >>>> took 3-4 secs. >>>> - Create/Render Backgrid without pagination : *1 minute* >>>> - Create/Render Backgrid with pagination (50 items per page): >>>> *469ms* >>>> - Create/Render Backgrid with pagination (500 items per page): *3 >>>> secs* >>>> - Create/Render Backgrid with pagination (1000 items per page): *6 >>>> secs* >>>> - Create/Render Backgrid with pagination (3000 items per page): >>>> *22 secs* >>>> - Create/Render Backgrid with pagination (5000 items per page): *36 >>>> secs* >>>> >>>> >>> OK, so I guess diving into Backgrid is the next step. Are there any >>> profiling tools that could be used? >>> >>> >> >> Can we use infinity scrolling in case of no pagination? >> > > How would add row work then? > Yeah, in this case user has to wait till the last record to load. :( Btw, I was thinking of https://github.com/bhvaleri/backgrid-infinator > > -- > Dave Page > Blog: http://pgsnake.blogspot.com > Twitter: @pgsnake > > EnterpriseDB UK: http://www.enterprisedb.com > The Enterprise PostgreSQL Company >
