++1 from my side. This mode seems to be very useful for Ignite users. чт, 30 мая 2019 г. в 19:47, Sergey Antonov <antonovserge...@gmail.com>:
> Hello Igniters! > > I'm working on cluster read-only mode [1] feature. In this mode cluster > will be available only for read operations, all data modification > operations in user caches will be rejected > with ClusterReadOnlyModeCheckedException. This feature could be helpfull > for maintenance works (control.sh idle_verify/validate_indexes). > > A few points about cluster read-only mode: > 1) Read-only mode could be enabled on active cluster only. > 2) Read-only mode doens't store on PDS (i.e. after cluster restart enabled > read-only mode will be forgotten) > 3) Updates to ignite-sys-cache will be available with enabled read-only > mode. > > More informartion about implementation you could find in PR [2]. > > What do you think about this feature? > > [1] https://issues.apache.org/jira/browse/IGNITE-11256 > [2] https://github.com/apache/ignite/pull/6423 > > -- > BR, Sergey Antonov >
