Nhat Nguyen f63cbad629
Ensure CCR partial reads never overuse buffer (#58620)
When the documents are large, a follower can receive a partial response 
because the requesting range of operations is capped by
max_read_request_size instead of max_read_request_operation_count. In
this case, the follower will continue reading the subsequent ranges
without checking the remaining size of the buffer. The buffer then can
use more memory than max_write_buffer_size and even causes OOM.

Backport of #58620
2020-07-01 13:23:28 -04:00
..

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