diff options
Diffstat (limited to 'storage')
| -rw-r--r-- | storage/innobase/buf/buf0buf.cc | 2 | ||||
| -rw-r--r-- | storage/innobase/include/os0file.h | 3 | ||||
| -rw-r--r-- | storage/innobase/os/os0file.cc | 4 |
3 files changed, 6 insertions, 3 deletions
diff --git a/storage/innobase/buf/buf0buf.cc b/storage/innobase/buf/buf0buf.cc index f3ad84a4853..2ddd9f278b1 100644 --- a/storage/innobase/buf/buf0buf.cc +++ b/storage/innobase/buf/buf0buf.cc @@ -1467,7 +1467,7 @@ bool buf_pool_t::create() ut_d(lru_scan_itr.m_mutex= &mutex); io_buf.create((srv_n_read_io_threads + srv_n_write_io_threads) * - tpool::aio::N_PENDING); + OS_AIO_N_PENDING_IOS_PER_THREAD); /* FIXME: remove some of these variables */ srv_buf_pool_curr_size= curr_pool_size; diff --git a/storage/innobase/include/os0file.h b/storage/innobase/include/os0file.h index d01a15c28ed..b723ba009a3 100644 --- a/storage/innobase/include/os0file.h +++ b/storage/innobase/include/os0file.h @@ -264,6 +264,9 @@ struct os_file_size_t { os_offset_t m_alloc_size; }; +/** Win NT does not allow more than 64 */ +static const ulint OS_AIO_N_PENDING_IOS_PER_THREAD = 256; + extern ulint os_n_file_reads; extern ulint os_n_file_writes; extern ulint os_n_fsyncs; diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc index 6e8aacbe799..ee7f09ec17f 100644 --- a/storage/innobase/os/os0file.cc +++ b/storage/innobase/os/os0file.cc @@ -4027,8 +4027,8 @@ static bool is_linux_native_aio_supported() bool os_aio_init(ulint n_reader_threads, ulint n_writer_threads, ulint) { - int max_write_events= int(n_writer_threads * tpool::aio::N_PENDING); - int max_read_events= int(n_reader_threads * tpool::aio::N_PENDING); + int max_write_events= int(n_writer_threads * OS_AIO_N_PENDING_IOS_PER_THREAD); + int max_read_events= int(n_reader_threads * OS_AIO_N_PENDING_IOS_PER_THREAD); int max_events = max_read_events + max_write_events; int ret; |