The PR is ready for review, PTAL if you have interest. https://github.com/apache/hbase/pull/7585
Thanks. 张铎(Duo Zhang) <[email protected]> 于2026年1月1日周四 17:32写道: > > I found a very critical issue when running ITBLL against branch-3 and > it affects all active branches. > > We will create the WAL directory when initializing the WAL instance, > and since now we have some lazy initialized WALProviders, like > WALProvider for meta table, it may break our fencing when force > killing a region server. > > Our way of fencing at the master side is to rename the WAL directory > of the given region server, so when the 'dead' region server wants to > roll the WAL, it will get a 'parent does not exist' error and quit. > But if we just want to move the meta region to this region server, the > newly initialized meta WAL instance will recreate the WAL directory > for the given region server, so the WAL rolling could succeed and > cause very serious data inconsistency problems... > > The fix is easy, just remove the creation of WAL directory from WAL > initialization, and I've already opened a PR. The biggest challenge is > to fix the broken UTs, so we still need some time. > > Since this problem affects all active branches, I suggest we make new > releases for 2.6.x and 2.5.x immediately after fixing this issue. > > Thoughts? Thanks.
