diff options
Diffstat (limited to 'storage/innodb_plugin/srv/srv0srv.c')
| -rw-r--r-- | storage/innodb_plugin/srv/srv0srv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/storage/innodb_plugin/srv/srv0srv.c b/storage/innodb_plugin/srv/srv0srv.c index b1fc1ac67fd..8ad4c02e322 100644 --- a/storage/innodb_plugin/srv/srv0srv.c +++ b/storage/innodb_plugin/srv/srv0srv.c @@ -203,6 +203,8 @@ UNIV_INTERN ulint srv_n_file_io_threads = ULINT_MAX; UNIV_INTERN ulint srv_n_read_io_threads = ULINT_MAX; UNIV_INTERN ulint srv_n_write_io_threads = ULINT_MAX; +/* Switch to enable random read ahead. */ +UNIV_INTERN my_bool srv_random_read_ahead = FALSE; /* User settable value of the number of pages that must be present in the buffer cache and accessed sequentially for InnoDB to trigger a readahead request. */ @@ -1906,6 +1908,8 @@ srv_export_innodb_status(void) export_vars.innodb_buffer_pool_wait_free = srv_buf_pool_wait_free; export_vars.innodb_buffer_pool_pages_flushed = srv_buf_pool_flushed; export_vars.innodb_buffer_pool_reads = srv_buf_pool_reads; + export_vars.innodb_buffer_pool_read_ahead_rnd + = buf_pool->stat.n_ra_pages_read_rnd; export_vars.innodb_buffer_pool_read_ahead = buf_pool->stat.n_ra_pages_read; export_vars.innodb_buffer_pool_read_ahead_evicted |