擅长:python、mysql、java
<p>来自DB类的源代码:</p>
<pre><code> def __init__(self, storage,
pool_size=7,
pool_timeout=1<<31,
cache_size=400,
cache_size_bytes=0,
historical_pool_size=3,
historical_cache_size=1000,
historical_cache_size_bytes=0,
historical_timeout=300,
database_name='unnamed',
databases=None,
xrefs=True,
large_record_size=1<<24,
**storage_args):
</code></pre>
<p>当<code>ZODB.connection</code>定义如下:</p>
^{pr2}$
<p>我会说</p>
<pre><code> connection = ZODB.connection('zodb/connect4_reinf.fs',
cache_size=<your-cache-size>)
</code></pre>
<p>如果您希望限制为(估计的)字节,那么还有一个缓存大小字节。0表示此参数无限制。在</p>