util.py 文件源码

def set_open_file_limit_up_to(limit=65536):
    import settings

    soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
    limit = max(soft, limit)
    limit = min(limit, hard)

    while limit > soft:
        try:
            resource.setrlimit(resource.RLIMIT_NOFILE, (limit, hard))
            break
        except ValueError:
            limit -= 256
        except:
            settings.CONFIG_LOG.exception('unexpected exception')

    soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
    settings.CONFIG_LOG.info('open file limit set to %d:%d', soft, hard)
    return (soft, hard)