[CP] reduce sql_nio IO_BUFFER_SIZE to reduce the memory hold of session

2023-04-20 06:11:17 +00:00
parent 8a94e3f887
commit fe7d87dfc1
1 changed files with 1 additions and 1 deletions
--- a/deps/oblib/src/rpc/obmysql/ob_sql_nio.cpp
+++ b/deps/oblib/src/rpc/obmysql/ob_sql_nio.cpp
@ -131,7 +131,7 @@ private:
 class ReadBuffer
 {
 public:
-  enum { IO_BUFFER_SIZE = 1<<16 };
+  enum { IO_BUFFER_SIZE = (1<<15) - 128};
  ReadBuffer(int fd): fd_(fd), has_EAGAIN_(false), request_more_data_(false),
                alloc_buf_(NULL), buf_end_(NULL), cur_buf_(NULL), data_end_(NULL),
                consume_sz_(0)