gistfile1.txt

1) Install MongoDB and launch it:

21:44:59 ^ $ /opt/local/bin/mongod --dbpath=/opt/mongo-data/
Wed Aug 19 21:45:10 Mongo DB : starting : pid = 6578 port = 27017 dbpath = /opt/mongo-data/ master = 0 slave = 0  32-bit 

** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data
**       see http://blog.mongodb.org/post/137788967/32-bit-limitations for more

Wed Aug 19 21:45:10 db version v0.9.8, pdfile version 4.4
Wed Aug 19 21:45:10 git version: nogitversion
Wed Aug 19 21:45:10 sys info: Darwin aura.local 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386
Wed Aug 19 21:45:10 waiting for connections on port 27017
Wed Aug 19 21:45:10 web admin interface listening on port 28017

2) Compile the erlang driver then start the gen_server style driver by launching the script start.sh and enter the following commands to insert your first element in a test collection, withing a test database

22:55:05 ^master $ ./start.sh 
Erlang R13B01 (erts-5.7.2) [source] [smp:2:2] [rq:2] [async-threads:0] [hipe] [kernel-poll:true]

Eshell V5.7.2  (abort with ^G)
(mongo@aura)1> mongodb:start(mypool, "aura.local" ,27017).
{ok,<0.49.0>}
(mongo@aura)2> mongodb:database(mypool, "mytestdb").
{mongodb_database,mypool,"mytestdb"}
(mongo@aura)3> Col1 = mongodb_collection:new(mypool, "mytestdb", "mytestcol").
{mongodb_collection,mypool,"mytestdb","mytestcol"}
(mongo@aura)4> Col1:insert({obj,[{"name", "test"}]}).
{ok,{obj,[{"_id",
           {oid,<<23,161,8,3,240,100,71,24,185,25,41,180>>}},
          {"name","test"}]}}


3) As a result in the other prompt you can see the following logged actions:
Wed Aug 19 22:55:56 connection accepted from 127.0.0.1:5365 #4
Wed Aug 19 22:57:03 allocating new datafile /opt/mongo-data/mytestdb.0, filling with zeroes...
Wed Aug 19 22:57:03 done allocating datafile /opt/mongo-data/mytestdb.0, size: 67108864, took 0.132 secs
Wed Aug 19 22:57:06 building new index on { _id: ObjId(000000000000000000000000) } for mytestdb.mytestcol...done for 0 records
Wed Aug 19 22:57:02 insert mytestdb.mytestcol 3700ms