hdb

hdb component

hdb - historical database component - loading native kdb+ hdb directory. Component is located in the ec/components/hdb.

Configuration

Note: configure port and component name according to your conventions (core.hdb)

system.cfg example

  [[core.hdb]]
    command = "q hdb.q"
    type = q:hdb/hdb
    port = ${basePort} + 12

dataflow.cfg example

[template:quote]
  [[core.hdb]]

Startup

start hdb

> yak start core.hdb

Simple usage example

.hdb.status[] returns status of all hdb tables:

q).hdb.status[]

Further reading

• Lesson 3 - storing data in hdb