kdb+ and q
Q+A on all things kdb+ database and the q language
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What does \t (neg h)"command"; h"command" return?

Happy Friday all, had a few questions about the mechanics of IPC: 1. Are IPC messages sent in a FIFO (first in, first out) queue? For example, say I am a client sending IPC messages m1, m2, m3 in that order to a server. Will the server process m1, m2...

SSL_CIPHER_LIST RESET ciphers configured.

Hello TeamI wanted to remove weak ciphers configured using SSL_CIPHER_LIST to avoid vulnerabilities. I tried exporting the parameter using (SSL_CIPHER_LIST) getting same set of ciphers configured earlier post restart.Can someone please help me? Thank...

KPC by New Contributor
  • 3 replies
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Information about remote end from handle passed into .z.po

Is there a way to retrieve more information about the remote end that initiated the connection using the handle passed into .z.po? I have the .z.a (ip address) and .z.u (user id). I was hoping to find out more about the other end of the connection. I...

trosales by New Contributor II
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Socket Sharing with neg ports

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 by New Contributor II
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KDB with Java

I'm use KxSystems/javakdb with commons-pool2. Is the connection pool meaningless because KDB+ is a single thread? Is it better to connect a TCP session when a request is required? Is there any advantage in using Flip in Java rather than .j.j when pro...

k-mambo by New Contributor III
  • 2 replies
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