I'm using ubuntu server and configure the odoo project. it has 8GB of ram and available memory is arround 6GB so i need to increase the odoo default memory. So please let me know how to increase?
Have you tried playing with some of Odoo's Advanced and Multiprocessing options?
odoo.py --help
Advanced options:
--osv-memory-count-limit=OSV_MEMORY_COUNT_LIMIT
Force a limit on the maximum number of records kept in
the virtual osv_memory tables. The default is False,
which means no count-based limit.
--osv-memory-age-limit=OSV_MEMORY_AGE_LIMIT
Force a limit on the maximum age of records kept in
the virtual osv_memory tables. This is a decimal value
expressed in hours, and the default is 1 hour.
--max-cron-threads=MAX_CRON_THREADS
Maximum number of threads processing concurrently cron
jobs (default 2).
Multiprocessing options:
--workers=WORKERS Specify the number of workers, 0 disable prefork mode.
--limit-memory-soft=LIMIT_MEMORY_SOFT
Maximum allowed virtual memory per worker, when
reached the worker be reset after the current request
(default 671088640 aka 640MB).
--limit-memory-hard=LIMIT_MEMORY_HARD
Maximum allowed virtual memory per worker, when
reached, any memory allocation will fail (default
805306368 aka 768MB).
--limit-time-cpu=LIMIT_TIME_CPU
Maximum allowed CPU time per request (default 60).
--limit-time-real=LIMIT_TIME_REAL
Maximum allowed Real time per request (default 120).
--limit-request=LIMIT_REQUEST
Maximum number of request to be processed per worker
(default 8192).
Also if you are using WSGI or something similar to run Odoo, these may also need some tuning.