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sujoy

Hi, I was trying to re-use the port running in multi-threaded queue mode (i.e. neg port). On both Mac and linux, the second process seems to get stuck always while assigning the port. I tried to perform strace and seems the system cannot assign the p...

sujoy

Hi All, On segmented Tables , eg: /.../1 /2021.01.01/tab/ ... /.../2 /2021.01.02/tab/ ... When I load my process from root: /.../db sym par.txt # cat par.txt # /.../1 # /.../2 If I add reval on 4.0, which default to having -u 1 , I am getting access ...

sujoy

This is cool. I also have used and created similar override to .Q.dpft. Use case is valid till 3.6. If you use KX 4.0 with slaves, it internally is optimised to save data faster on disk (Probably some c code ). Something I did not find in the KX rele...

sujoy

Seems like a case when entries were added in par.txt from possibly 3 to 8 without moving the partitions to correct locations. Only way to fix this is to move all the partitions to right locations. These all will be giving inconsistent results `l `bv ...

sujoy

Try to traverse through Dictionary tree:([]parent:`A`A`A`B`B`E`E;child:`B`C`D`E`F`G`H;data:(1;2;3;4;5;6;7)); tree:([]parent:`A`A`A`B`B`E`E;child:`B`C`D`E`F`G`H;data:(1;2;3;4;5;6;7)); traverse_dict:exec child!parent from tree; calc:`A`D`C`B`F`E`G`H!1 ...

sujoy

Hi, Sorry I missed to add the screenshots! This is from my personal Mac. The behaviour is same on a linux host with kdb 4.0. q).z.K4fq).z.k2021.07.12 Using system Command: You can also try command line: Many Thanks Sujoy

sujoy

If you refer here: https://code.kx.com/q/basics/syscmds/#l-load-file-or-directory serialized object, deserializes it into memory as variable name directory of a splayed table, maps the table to variable name, without loading any columns into memory W...

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Socket Sharing with neg ports

Reval on 4.0 with Segmented tables

Re: Parallelising .Q.dpft with default compression enabled

Re: .Q.par Doesn't Provide the Correct Result in the Segmented db.

Re: How to walkthrough a tree and calculate value on path?

Re: Socket Sharing with neg ports

Re: .Q.qp for splayed table