diff options
| -rw-r--r-- | storage/innobase/trx/trx0undo.c | 18 | ||||
| -rw-r--r-- | storage/innodb_plugin/trx/trx0undo.c | 18 |
2 files changed, 8 insertions, 28 deletions
diff --git a/storage/innobase/trx/trx0undo.c b/storage/innobase/trx/trx0undo.c index 4547ee9ea64..329565943c8 100644 --- a/storage/innobase/trx/trx0undo.c +++ b/storage/innobase/trx/trx0undo.c @@ -1752,21 +1752,11 @@ trx_undo_set_state_at_finish( if (undo->size == 1 && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) - < TRX_UNDO_PAGE_REUSE_LIMIT) { + < TRX_UNDO_PAGE_REUSE_LIMIT + && UT_LIST_GET_LEN(rseg->update_undo_list) < 500 + && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { - /* This is a heuristic to avoid the problem of all UNDO - slots ending up in one of the UNDO lists. Previously if - the server crashed with all the slots in one of the lists, - transactions that required the slots of a different type - would fail for lack of slots. */ - - if (UT_LIST_GET_LEN(rseg->update_undo_list) < 500 - && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { - - state = TRX_UNDO_CACHED; - } else { - state = TRX_UNDO_TO_FREE; - } + state = TRX_UNDO_CACHED; } else if (undo->type == TRX_UNDO_INSERT) { diff --git a/storage/innodb_plugin/trx/trx0undo.c b/storage/innodb_plugin/trx/trx0undo.c index c8a4b15e48b..76e88948e41 100644 --- a/storage/innodb_plugin/trx/trx0undo.c +++ b/storage/innodb_plugin/trx/trx0undo.c @@ -1823,21 +1823,11 @@ trx_undo_set_state_at_finish( if (undo->size == 1 && mach_read_from_2(page_hdr + TRX_UNDO_PAGE_FREE) - < TRX_UNDO_PAGE_REUSE_LIMIT) { + < TRX_UNDO_PAGE_REUSE_LIMIT + && UT_LIST_GET_LEN(rseg->update_undo_list) < 500 + && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { - /* This is a heuristic to avoid the problem of all UNDO - slots ending up in one of the UNDO lists. Previously if - the server crashed with all the slots in one of the lists, - transactions that required the slots of a different type - would fail for lack of slots. */ - - if (UT_LIST_GET_LEN(rseg->update_undo_list) < 500 - && UT_LIST_GET_LEN(rseg->insert_undo_list) < 500) { - - state = TRX_UNDO_CACHED; - } else { - state = TRX_UNDO_TO_FREE; - } + state = TRX_UNDO_CACHED; } else if (undo->type == TRX_UNDO_INSERT) { |