Thanks, Jan, this is helpful to me. I thought about it for a long time, but I finally figured it out.
> 2021年11月2日 00:03，Jan Høydahl <jan....@cominvent.com> 写道： > > If recovery failed, then that core is dead, it has given up. > So if an agent has just restarted or started a node, then it will wait until > all cores have a "stable" or "final" state, before it declares the NODE as > healthy, and consider restarting other nodes. > If a core (replica of a shard in a collection) is in DOWN state, it has just > booted and will soon go into RECOVERING. It will stay in RECOVERING until it > either is OK or RECOVERY_FAILED. > There is no point in waiting in an endless loop for every single core on a > node to come up, we just want them to finish initializing and enter a stable > state. > I guess other logic in solr-operator will take care of deciding how many > replicas for a shard are live, as to whether it is safe to take down the next > pod/node. > > Jan > >> 31. okt. 2021 kl. 16:14 skrev 戴晓彬 <xiaobin_...@foxmail.com>: >> >> I'm a little puzzled, why UNHEALTHY_STATES does not contain >> State.RECOVERY_FAILED >> >>> 2021年10月31日 22:45，Jan Høydahl <jan....@cominvent.com> 写道： >>> >>> See >>> https://solr.apache.org/guide/8_10/implicit-requesthandlers.html#admin-handlers, >>> you can query each node with >>> >>> http://node:8983/api/node/health?requireHealthyCores=true >>> >>> It will only return HTTP 200 if all active cores on the node are healthy >>> (none starting or recovering). >>> >>> Jan >>> >>>> 27. okt. 2021 kl. 17:27 skrev Vincenzo D'Amore <v.dam...@gmail.com>: >>>> >>>> Hi all, >>>> >>>> when a Solr instance is started I would be sure all the indexes present are >>>> up and running, in other words that the instance is healthy. >>>> The healthy status (aka liveness/readiness) is especially useful when a >>>> Kubernetes SolrCloud cluster has to be restarted for any configuration >>>> management needs and you want to apply your change one node at a time. >>>> AFAIK I can ping only one index at a time, but there is no way out of the >>>> box to test that a bunch of indexes are active (green status). >>>> Have you ever faced the same problem? What do you think? >>>> >>>> Best regards, >>>> Vincenzo >>>> >>>> -- >>>> Vincenzo D'Amore >>> >> >
