Re: HLL Union and lgK config

2020-08-13 Thread Jon Malkin
Thanks! We're investigating. We'll let you know if we have further questions. jon On Thu, Aug 13, 2020, 11:40 PM Marko Mušnjak wrote: > Hi Jon, > The first sketch is the one where I see the jump. The exact count without > the first sketch is 24765. > > The result for lgK=12 without the first

Re: HLL Union and lgK config

2020-08-13 Thread Marko Mušnjak
Hi Jon, The first sketch is the one where I see the jump. The exact count without the first sketch is 24765. The result for lgK=12 without the first sketch is 11% off, lgK=5 is within 2%. Thanks, Marko On Fri, 14 Aug 2020 at 00:24, Jon Malkin wrote: > Hi Marko, > > Could you please let us know

Re: HLL Union and lgK config

2020-08-13 Thread leerho
Marko, We are working to understand this problem. Thank you for sending us the actual sketches, That helps us a great deal! Cheers, Lee. On Thu, Aug 13, 2020 at 3:24 PM Jon Malkin wrote: > Hi Marko, > > Could you please let us know two more things: > 1) Which is the one particular sketch th

Re: HLL Union and lgK config

2020-08-13 Thread Jon Malkin
Hi Marko, Could you please let us know two more things: 1) Which is the one particular sketch that causes the estimate to jump? 2) What is the exact unique count of the others without that sketch? It sort of seems like the first sketch, but it's hard to know for sure since we don't know the true

HLL Union and lgK config

2020-08-13 Thread Marko Mušnjak
Hi, Could someone help me understand a behavior I see when trying to union some HLL sketches? I have 14 HLL sketches, and I know the exact unique counts for each of them. All the individual sketches give estimates within 2% of the exact counts. When I try to create a union, using the default lgM