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KDB Tick with 'conn error

The connection reset by peer log is continuously left when requested from the HDB process to the unix domain socket from the HDB process, and the RDB process is constantly experiencing a 'conn error. What information should be identified to determine...

k-mambo by New Contributor III
  • 291 Views
  • 3 replies
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using .z.w to call python

We have a "legacy" python system where some quant researchers using qpython to query data from q processes into python. At one q process, I have something like .z.po:{if[not any (`$.z.w"system \"echo $USER\"") in exec distinct user from .perm.users;h...

aele by New Contributor
  • 428 Views
  • 1 replies
  • 0 kudos

Resolved! KDB process unable to process request

Sometimes, the HDB process that queries historical data becomes unable to process requests.It does not appear to occur periodically and the values for RECV-Q do not change over time. Timeout is not an indefinite period of 60 seconds.Is there a way to...

k-mambo by New Contributor III
  • 486 Views
  • 1 replies
  • 1 kudos

Joy of q: Let it snow

In a post on the Array Thinking blog I explored an array-oriented approach to a simple problem: representing snowflakes falling through the air. The problem is a classic for an object-oriented approach: define a Snowflake class, set wind speed as a g...

Screenshot 2022-04-07 at 13.01.52.png
SJT by Contributor III
  • 777 Views
  • 3 replies
  • 3 kudos