diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/btree/bt_split.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/btree/bt_split.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/third_party/wiredtiger/src/btree/bt_split.c b/src/third_party/wiredtiger/src/btree/bt_split.c index 2c6f8449e3c..1fd13c47fe0 100644 --- a/src/third_party/wiredtiger/src/btree/bt_split.c +++ b/src/third_party/wiredtiger/src/btree/bt_split.c @@ -1271,8 +1271,15 @@ __split_parent_climb(WT_SESSION_IMPL *session, WT_PAGE *page) * to a different part of the tree where it will be written; in other words, in one part of the * tree we'll skip the newly created insert split chunk, but we'll write it upon finding it in a * different part of the tree. - */ - if (__wt_btree_syncing_by_other_session(session)) { + * + * Historically we allowed checkpoint itself to trigger an internal split here. That wasn't + * correct, since if that split climbs the tree above the immediate parent the checkpoint walk + * will potentially miss some internal pages. This is wrong as checkpoint needs to reconcile the + * entire internal tree structure. Non checkpoint cursor traversal doesn't care the internal + * tree structure as they just want to get the next leaf page correctly. Therefore, it is OK to + * split concurrently to cursor operations. + */ + if (WT_BTREE_SYNCING(S2BT(session))) { __split_internal_unlock(session, page); return (0); } |