3494
3493
(char**) &max_system_variables.read_buff_size,0, GET_UINT, REQUIRED_ARG,
3495
3494
128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT32_MAX, MALLOC_OVERHEAD, IO_SIZE,
3502
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
3503
3496
{"read_rnd_buffer_size", OPT_RECORD_RND_BUFFER,
3504
3497
N_("When reading rows in sorted order after a sort, the rows are read "
3505
3498
"through this buffer to avoid a disk seeks. If not set, then it's set "