通过为各种不同注册设置不同跟踪等级，数据进入缓冲区还依赖于在每个被跟踪的连接中的活动数量。
With different trace levels set for various registrations, the influx of data into the buffer also depends on the amount of activity in each connection being traced.
可以通过设置postgresql . conf文件中的shared _ buffers参数来更新缓冲区缓存。
Buffer cache can be updated by setting the shared_buffers parameter in the postgresql.conf file.
通过在数据传输软件里采取设置双缓冲区、选择接收、强制计数、滤波等措施，可显著地提高系统的抗干扰能力。
Taking the measures of setting on double buffers selected reception forced counting and filtering in the software of data transmission can enhance the ability of the system to oppose disturbance.
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