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From Paul Davis <paul.joseph.da...@gmail.com>
Subject Re: [long] multiple couchdb invocations, single machine
Date Sat, 24 Oct 2009 02:42:46 GMT
You could also set the log level to debug and start each without -b to
see what config files are being read.

Paul Davis

On Fri, Oct 23, 2009 at 10:25 PM, Chris Stockton
<chrisstocktonaz@gmail.com> wrote:
> I would try starting them with strace -f and see what ini files they are
> reading and look for other clues.
>
> On Oct 23, 2009 6:19 PM, "Michael McDaniel" <couchdby@autosys.us> wrote:
>
>
>  SHORT VERSION:
>
>  Multiple couchdb invocations on a single machine are not
>  behaving as I would expect to isolate databases.
>
>  Does someone have a tested configuration they will share ?
>
>
>
>  LONG VERSION:
>
>  I have installed
>
>  couchdb - Apache CouchDB 0.11.0b828784
>
>  and am trying to do what I thought would be simple.
>
>  Run two independent invocations of couchdb on the same machine.
>  With the expectation that by running separate invocations, I
>  could keep respective databases isolated from each.
>
>
>  Here's what I want
>
>  * one invocation on default port 5984   (let's call this one PAT)
>  * other invocation on non-default port 5985 (let's call this one MIKE)
>  * PAT should not see or have access to MIKE databases
>  * MIKE should not see or have access to PAT databases
>  * PAT can hang with no effect on MIKE
>  * MIKE can hang and have no effect on PAT
>  * long running events on either have no effect on the other
>
>  Here's what I tried (all pertinent directories and files are created with
>  rw permissions to invoking user).  default.ini is as created by couchdb
>  build/install.
> ---
>
>  Added the following to /usr/local/etc/couchdb/local.ini
>
> [couchdb]
>
> database_dir   = /usr/local/var/lib/couchdb_pat
> view_index_dir = /usr/local/var/lib/couchdb_pat
>
> [log]
> file = /home/erl/couchdb/logs/couch_pat.log
> level = info
> ---
>
>  Added the following to  /usr/local/etc/couchdb/mike/local_mike.ini
>
> [couchdb]
> database_dir   = /usr/local/var/lib/couchdb_mike
> view_index_dir = /usr/local/var/lib/couchdb_mike
>
>
> [log]
> file = /home/erl/couchdb/logs/couch_mike.log
> level = info
>
> [httpd]
> port = 5985
> ---
>
>  start PAT with
> couchdb  -b  -p  /usr/local/var/run/couchdb_pat.pid        \
>            -o  /home/erl/couchdb/logs/couchdb_pat.stdout \
>            -e  /home/erl/couchdb/logs/couchdb_pat.stderr
> ---
>
>  start MIKE with
> couchdb  -b  -p  /usr/local/var/run/couchdb_mike.pid        \
>            -a  /usr/local/etc/couchdb/mike/local_mike.ini \
>            -o /home/erl/couchdb/logs/couchdb_mike.stdout  \
>            -e /home/erl/couchdb/logs/couchdb_mike.stderr
> ---
>
>
>  NOW, in Futon, for PAT http://localhost:5984/_utils/config.html
>
>
>  database_dir       /usr/local/var/lib/couchdb
>  database_dir       /usr/local/var/lib/couchdb_pat
>  view_index_dir     /usr/local/var/lib/couchdb_pat
>
>  AND, for MIKE http://localhost:5985/_utils/config.html
>
>  database_dir       /usr/local/var/lib/couchdb
>  database_dir       /usr/local/var/lib/couchdb_pat
>  view_index_dir     /usr/local/var/lib/couchdb_pat
>
>
>  BUT ... both show all the databases already existing in the default
>  /usr/local/var/lib/couchdb directory.
>
>
>  AND
>
>  If I create a new database from either PAT or MIKE URI
>  http://localhost:5984/_utils/index.html
>  http://localhost:5985/_utils/index.html
>
>  the new database winds up in the /usr/local/var/lib/couchdb
>  directory (and, as previously mentioned, either invocation
>  of couchdb can see all of the databases there).
>
>
>  If I comment out database_dir and view_index_dir in default.ini
>  then both invocations see the databases (in Futon Overview) as,
>  e.g.
>
>   couchdb/foo_db
>   couchdb/bar_db
>
>  Although each Futon Configuration shows only the respective
>  database_dir    /usr/local/var/lib/couchdb_pat
>  view_index_dir  /usr/local/var/lib/couchdb_pat
>
>  database_dir    /usr/local/var/lib/couchdb_mike
>  view_index_dir  /usr/local/var/lib/couchdb_mike
>  .
>
>
>  Logs are getting written per respective PAT and MIKE local ini files.
>
>
>  QUESTION:
>
>  How do I run more than one invocation of couchdb on a single machine
>  with database and process isolation ?
>
>
> ~Michael
>

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