On Thu, Jun 16, 2016 at 5:47 PM, Khushboo Vashi < khushboo.va...@enterprisedb.com> wrote:
> > > 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 > This seems to be the good option. > >> -- >> Dave Page >> Blog: http://pgsnake.blogspot.com >> Twitter: @pgsnake >> >> EnterpriseDB UK: http://www.enterprisedb.com >> The Enterprise PostgreSQL Company >> > > -- *Akshay Joshi* *Principal Software Engineer * *Phone: +91 20-3058-9517Mobile: +91 976-788-8246*
