What I really meant is trying to get cluster status directly through ZK API. Your approach a bit different from what I meant but it's a nice one as it seems will work across versions 4 and 5.
On Thursday, April 9, 2015, Shalin Shekhar Mangar <shalinman...@gmail.com <javascript:_e(%7B%7D,'cvml','shalinman...@gmail.com');>> wrote: > I don't quite follow. Are you saying that you intend to use the ZK REST API > to fetch live_nodes and then send the 'clusterstatus' API call to one of > the live nodes? > > On Thu, Apr 9, 2015 at 7:13 PM, Ahmed Adel <ahmed.a...@badrit.com> wrote: > > > In fact, the advantage I see of using ZK is that we don't have to iterate > > over nodes in case the first node receiving that request is down, > whereas, > > by using ZK REST API, we can do that in a single request as I assume we > can > > check live_nodes (in case this approach is guaranteed when using Solr > 4.x) > > and send the request directly to a live node. Let me know if this makes > > sense. > > > > On Thu, Apr 9, 2015 at 2:31 PM, Shalin Shekhar Mangar < > > shalinman...@gmail.com> wrote: > > > > > Yes, you can use the 'clusterstatus' API which will return an > aggregation > > > of all states. See > > > > > > > > > https://cwiki.apache.org/confluence/display/solr/Collections+API#CollectionsAPI-api18 > > > > > > > > > On Thu, Apr 9, 2015 at 5:52 PM, Ahmed Adel <ahmed.a...@badrit.com> > > wrote: > > > > > > > Hi Shalin, > > > > > > > > Thanks for your response. I'm actually looking inside ZooKeeper in > > order > > > to > > > > obtain highest availability. What I expected is that > clusterstate.json > > > > contains the aggregation of all state.json children nodes of each > > > > collection. But your second paragraph explains the behavior I see in > > Solr > > > > 5.0 while others using prior versions of Solr don't see. > > > > > > > > By the way, is there one method to retrieve state across 4.x and 5.x? > > It > > > > seems that there are different methods depending on Solr version. > > > > > > > > On Thu, Apr 9, 2015 at 12:23 PM, Shalin Shekhar Mangar < > > > > shalinman...@gmail.com> wrote: > > > > > > > > > Hi Ahmed, > > > > > > > > > > Can you give more details? What did you expect and what was the > > actual? > > > > > Also, are you looking directly at the clusterstate.json inside > > > ZooKeeper > > > > or > > > > > are you using the 'clusterstatus' Collection API? > > > > > > > > > > You shouldn't look at the clusterstate.json directly because 1) > > things > > > > like > > > > > live-ness is not stored in clusterstate.json and 2) collections > > created > > > > > with Solr 5.0 have their own individual state.json inside > > > > > /collections/collection_name/state.json > > > > > > > > > > On Thu, Apr 9, 2015 at 3:37 PM, Ahmed Adel <ahmed.a...@badrit.com> > > > > wrote: > > > > > > > > > > > Hi All, > > > > > > > > > > > > On Solr 5.0 and ZK 3.4.6 sometimes clusterstate.json does not > > reflect > > > > the > > > > > > aggregation of states of collections, the latter is always > > correct. I > > > > > could > > > > > > verify this from the admin panel (under Tree view) and from > ZKCli. > > Is > > > > > there > > > > > > something I'm missing that could generate this issue? > > > > > > > > > > > > -- > > > > > > > > > > > > A. Adel > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > Regards, > > > > > Shalin Shekhar Mangar. > > > > > > > > > > > > > > > > > > > > > -- > > > > A. Adel > > > > > > > > > > > > > > > > -- > > > Regards, > > > Shalin Shekhar Mangar. > > > > > > > > > > > -- > > *Ahmed Adel* > > www.badrit.com > > <http://s.wisestamp.com/links?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2F> > > > > > > -- > Regards, > Shalin Shekhar Mangar. > -- Sent from my iPhone
