ES will send one query request to each shard when query on this index. So, if the number of shard is too big, the number of query request will also be too big to use up all query threads.
From: elasticsearch@googlegroups.com [mailto:elasticsearch@googlegroups.com] On Behalf Of Hajime Sent: Friday, January 23, 2015 3:19 PM To: elasticsearch@googlegroups.com Subject: Re: Heavy indexing cause severe delay for searching I still don't get why having many shards in one index matter.Since the index is just a logical grouping of shards or lucene threads,perhaps total num of shards per the cluster should be more significant?For Elasticsearch to grouping the shards cost a lot? -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com <mailto:elasticsearch+unsubscr...@googlegroups.com> . To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAHm3ZsqDSevYiO7B_TE7UVV7uZRhm_oEB9%2B7R4futaufL5_BRw%40mail.gmail.com <https://groups.google.com/d/msgid/elasticsearch/CAHm3ZsqDSevYiO7B_TE7UVV7uZRhm_oEB9%2B7R4futaufL5_BRw%40mail.gmail.com?utm_medium=email&utm_source=footer> . For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/003501d036ec%24e0868b40%24a193a1c0%24%40gmail.com. For more options, visit https://groups.google.com/d/optout.
