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From "Chris Stockton (JIRA)" <>
Subject [jira] Reopened: (COUCHDB-839) [PATCH] Couchdb startup script should support a erl startup options flag
Date Mon, 02 Aug 2010 18:29:16 GMT


Chris Stockton reopened COUCHDB-839:


I believe you would be very correct that those two specific flags may be passed through exports.
Certain other arguments may also be influenced by switches. (+Bd I.E.). However, it should
be understood before closing this that the emulator supports many other flags some of which
for certain systems and setups may require flags outside the afore-mentioned. Such as +P,
or for some setups defining the CPU topology may be desired. I am unaware of how to get these
results without this (or similar) modification or scrapping the couchdb script all together.


> [PATCH] Couchdb startup script should support a erl startup options flag
> ------------------------------------------------------------------------
>                 Key: COUCHDB-839
>                 URL:
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Build System
>    Affects Versions: 0.11.1
>         Environment: Linux, cent-os, any
>            Reporter: Chris Stockton
>            Priority: Minor
>         Attachments:
> It seems that the couchdb script does not support any options to pass to the erlang vm.
Would be nice to allow a options flag and document on the wiki that it exists. It is important
because large-scale deployments of couchdb need to pass some limits on to erlang. For example,
I am using a -O option of: -O "+P 65536 -env ERL_MAX_ETS_TABLES 60000 -env ERL_MAX_PORTS 60000"

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