Hi Team, As I explained the use case , can someone help me out to find out the configuration way to delete the shard here ? A quick response will be greatly appreciated.
Regards Pushkar On Mon, Nov 30, 2020 at 11:32 PM Pushkar Mishra <pushkarm...@gmail.com> wrote: > > > 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" >>> >>> -- Pushkar Kumar Mishra "Reactions are always instinctive whereas responses are always well thought of... So start responding rather than reacting in life"
