In addition, a single query server instance is a serial implementation. So there is no parallelising in a single couchjs process.
Best Jan — Professional Support for Apache CouchDB: https://neighbourhood.ie/couchdb-support/ 24/7 Observation for your CouchDB Instances: https://opservatory.app SQL Queries for CouchDB: https://neighbourhood.ie/products-and-services/structured-query-server > On 15. Aug 2024, at 22:33, Nick Vatamaniuc <vatam...@gmail.com> wrote: > > The query server works as a pool of processes. Up to "os_process_limit" [1] > OS processes are spawned. There is a soft limit config option as well [2]. > If the number of idle processes exceeds the soft limit, they will be killed > until they are lower than the limit. So the os_process limit > effectively defines a configurable parallelism level. On larger cluster > sizes those can be increased to something like 1000-2000 for instance from > the default of 100. > > The query server protocol is described as well [3]. Some newer commands may > be missing but otherwise it's fairly current. > > Cheers, > -Nick > > [1] > https://docs.couchdb.org/en/stable/config/query-servers.html#query_server_config/os_process_limit > [2] > https://docs.couchdb.org/en/stable/config/query-servers.html#query_server_config/os_process_soft_limit > [3] https://docs.couchdb.org/en/stable/query-server/protocol.html > > > On Thu, Aug 15, 2024 at 4:12 PM Jamie Bliss <ja...@ivyleav.es> wrote: > >> Does the current query server handler do any parallelism? eg, pipelining >> requests, spawning multiple servers, etc?
