We have just restarted our KxDashboard, but the error log is saying "Kx
Dashboards expired! Update to latest". But we need the dashboard up
urgently, even if its out of date, it is fully functional. Is there a
way to start it in this state without up...
Wondering if anyone has ever tried to implement a dedicated key value
store in kdb+, something like levelDB. I have a situation where users
wish to perform a lookup by an alphanumeric string but I don't know
which date partition contains the associat...
On version 2.1.0, I am using the "canvas chart" component to create a
bar chart where the x-axis begins at zero and I have a data point at
x=0. I wish to zoom into the range from 0 to 10 on the x-axis range. If
I put my cursor on 10, left click and h...
I have an intraday writer process which is writing data to an int
partitioned database, the partitioning integer is constructed from the
timestamp using `long$(.z.p) div 60*1e9, meaning I am partitioning data
by one minute buckets. None of my tables ...
What algorithm is used in kdb+ for adding floating point numbers, when
we run sum or sums? Is it simple adding the values up in order? I am
looking for something that will minimise precision error, something like
Ok great, I didnt know about option (1), so the expiry date on the kdb+
license can be used to extend the dashboard expiry date. (2) Seems like
another fast option. We ended up just copying the existing dashboards
and connections into the latest pack...
Thanks for the ideas Rian, yes the single anymap file would be too
large, but I could try distributing the keys across a set of int
partitions, so grouping them in some way, perhaps using a hash. That
would reduce the search space. Then I could split...
My question is about calling the k function, in the C API, from
different threads within a non q process. A C or C++ process in this
case. The q processes which are receiving the data are all independent
and single threaded