On Mon, Nov 30, 2020, 9:15 PM Pushkar Mishra <pushkarm...@gmail.com> wrote:
> Hi Erick, > First of all thanks for your response . I will check the possibility . > Let me explain my problem in detail : > > 1. We have other use cases where we are making use of listener on > postCommit to delete/shift/split the shards . So we have capability to > delete the shards . > 2. The current use case is , where we have to delete the documents from > the shard , and during deletion process(it will be scheduled process, may > be hourly or daily, which will delete the documents) , if shards gets > empty (or may be lets say nominal documents are left ) , then delete the > shard. And I am exploring to do this using configuration . > 3. Also it will not be in live shard for sure as only those documents are deleted which have TTL got over . TTL could be a month or year. Please assist if you have any config based idea on this > Regards > Pushkar > > On Mon, Nov 30, 2020, 8:48 PM Erick Erickson <erickerick...@gmail.com> > wrote: > >> Are you using the implicit router? Otherwise you cannot delete a shard. >> And you won’t have any shards that have zero documents anyway. >> >> It’d be a little convoluted, but you could use the collections COLSTATUS >> Api to >> find the names of all your replicas. Then query _one_ replica of each >> shard with something like >> solr/collection1_shard1_replica_n1/q=*:*&distrib=false >> >> that’ll return the number of live docs (i.e. non-deleted docs) and if >> it’s zero >> you can delete the shard. >> >> But the implicit router requires you take complete control of where >> documents >> go, i.e. which shard they land on. >> >> This really sounds like an XY problem. What’s the use case you’re trying >> to support where you expect a shard’s number of live docs to drop to zero? >> >> Best, >> Erick >> >> > On Nov 30, 2020, at 4:57 AM, Pushkar Mishra <pushkarm...@gmail.com> >> wrote: >> > >> > Hi Solr team, >> > >> > I am using solr cloud.(version 8.5.x). I have a need to find out a >> > configuration where I can delete a shard , when number of documents >> reaches >> > to zero in the shard , can some one help me out to achieve that ? >> > >> > >> > It is urgent , so a quick response will be highly appreciated . >> > >> > Thanks >> > Pushkar >> > >> > -- >> > Pushkar Kumar Mishra >> > "Reactions are always instinctive whereas responses are always well >> thought >> > of... So start responding rather than reacting in life" >> >>
