apache /
kudu /
a5648f39b407c62b70ca0ce6fefd0fdab9533daf KUDU-3452 Allow creating tablets under replicated tables
Currently, creating a three-replicas table when there are
not less than 3 healthy tablet servers will fail and the system
catalog will retry continuously and always fail until the
unavailable tablet servers becomes healthy again.
An under-replicated table is still available for reading and
writing, so it's enough to place just a majority of replicas
for each tablet at healthy tablet servers to make a newly
created table ready to use.
This patch adds a new flag:
--allow_creating_under_replicated_tables to support this
feature. The original logic is kept the same. When this flag
is set true, it's possible to create a tablet placing just a
majority of replicas at healthy tablet servers. Even if the
new tablet is created under-replicated, it's still available
for read and write operations.
Change-Id: I742ba1ff770f5c8b1be5800334c29bec96e195c6
Reviewed-on: http://gerrit.cloudera.org:8080/19571
Tested-by: Kudu Jenkins
Reviewed-by: Yifan Zhang <chinazhangyifan@163.com>
Reviewed-by: Alexey Serbin <alexey@apache.org>
Reviewed-by: Yuqi Du <shenxingwuying@gmail.com>
Reviewed-by: Yingchun Lai <laiyingchun@apache.org>
2 files changed
