Oops, the tablet ID I used in the example is '4398cf80d68141cdbdae882e97b6da45', not 'c5299ec14315401a89316b62afad5877'.
- Dan On Mon, Apr 10, 2017 at 4:34 PM, Dan Burkert <[email protected]> wrote: > Kudu does not yet have a way to request tablet rebalancing, but we do have > a few tools for balancing tablets manually. > > For example, if you had a tablet 'c5299ec14315401a89316b62afad5877' which > you wanted to remove from an old tserver 'c5299ec14315401a89316b62afad5877' > and add to a new tserver '4e6cdb2609fd488586fb526b0646db03', you could > perform the following steps using the kudu CLI tool: > > kudu tablet change-config add-replica <master-addrs> > 4398cf80d68141cdbdae882e97b6da45 4e6cdb2609fd488586fb526b0646db03 VOTER > kudu tablet change-config drop-replica <master-addrs> > 4398cf80d68141cdbdae882e97b6da45 c5299ec14315401a89316b62afad5877 > > This will create a new replica on the new server, then drop the old > replica on the old server. In-between adding the new replica and dropping > the old replica, you should double check that the tablet is healthy with > the ksck tool, e.g.: > > kudu cluster ksck --tablets 4398cf80d68141cdbdae882e97b6da45 <master-addr> > > This is a little tedious since you have to choose locations yourself, so > hopefully Kudu will be getting a more automated tool in the future to make > this seamless. > > - Dan > > On Mon, Apr 10, 2017 at 4:15 AM, 기준 <[email protected]> wrote: > >> Hi! >> >> My team using 20 nodes for kudu cluster. >> (I'm using Apache Kudu 1.2 on CDH 5.10.) >> >> As data grows up, our team planned to add new nodes to existing cluster. >> >> Unfortunately, it's seems there are no tools for move tablets to another >> or redistributes to new nodes. >> >> For now i'm thinking the only way to redistribute all old tables is to >> shutdown each old one >> and wait until old tablet goes to new one. (I think this is not >> efficient, not safe) >> >> Is there any recommended scale out stretegy for now? >> And i'm wondering is there any plan to add tools for these? (like >> kafka-reassign-partitions.sh) >> >> Thanks!! >> >> Have a nice day! >> > >
