The commit policy depends on the journal size but is based on the number of blocks to commit.
提交策略则取决于日志的大小,但是要以待提交的块的数量为基础。
For other projects, you may need to estimate the size of requirements that you plan to build over several iterations, or which you can commit to the overall product release ab initio.
而对于其它项目,您可能需要对将要嵌入的多次迭代,或者从一开始您就要负责的整个产品发布中的需求大小进行评估。
This can be quite different from the size of the total address space if the process reserves memory but doesn't commit it.
如果进程保留内存而没有提交,那么该值就与总地址空间的大小有很大的差别。
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