lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Furkan KAMACI <>
Subject Re: SolrCloud Leaders
Date Mon, 15 Apr 2013 13:38:38 GMT
Here writes something:

Both leaders and replicas index items and perform searches.

How replicas index items?

2013/4/15 Furkan KAMACI <>

> Does leaders may response search requests (I mean do they store indexes)
> at when I run SolrCloud at first and after a time later?
> 2013/4/15 Jack Krupansky <>
>> When the cluster is fully operational, yes. But if part of the cluster is
>> down or split and unable to communicate, or leader election is in progress,
>> the actual count of leaders will not be indicative of the number of shards.
>> Leaders and shards are apples and oranges. If you take down a cluster, by
>> definition it would have no leaders (because leaders are running code), but
>> shards are the files in the index on disk that continue to exist even if
>> the code is not running. So, in the extreme, the number of leaders can be
>> zero while the number of shards is non-zero on disk.
>> -- Jack Krupansky
>> -----Original Message----- From: Furkan KAMACI
>> Sent: Monday, April 15, 2013 8:21 AM
>> To:
>> Subject: SolrCloud Leaders
>> Does number of leaders at a SolrCloud is equal to number of shards?

  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message