# ES freezes with number of replicas \> 1 **URL:** \ **Category:** Elasticsearch\ **Created:** [September 12, 2011, 10:05pm UTC](https://discuss.elastic.co/t/es-freezes-with-number-of-replicas-1/5363 "2011-09-12T22:05:27Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![mfeingold](https://avatars.discourse-cdn.com/v4/letter/m/ecb155/32.png) [@mfeingold](https://discuss.elastic.co/u/mfeingold)\ **Post date:** [September 12, 2011, 10:05pm UTC](https://discuss.elastic.co/t/es-freezes-with-number-of-replicas-1/5363/1 "2011-09-12T22:05:27Z")
I was playing with different shard/replica settings on my indexes. In one of my experiments I set number of replicas to 2 and the request to index a document never returned. At the moment I have only one node set up, and I understand that 1 node and 2 replicas is not really a meaningful configuration, but freezing does not seem the right response here. What's interesting is that 1 replica with a single node - still an invalid configuration works fine, What am missing here? ---
**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\ **Post date:** [September 12, 2011, 10:55pm UTC](https://discuss.elastic.co/t/es-freezes-with-number-of-replicas-1/5363/2 "2011-09-12T22:55:46Z")
It does not freeze, it will timeout after 1 minute (the default). When you index, by default, a quorum of shard/replica is expected to be allocated. in 2 replica case, that quorum number is 2, and you only have 1 node, so only 1 for each partition is allocated. On Tue, Sep 13, 2011 at 1:05 AM, Michael Feingold [mfeingold@hill30.com](mailto:mfeingold@hill30.com)wrote: > I was playing with different shard/replica settings on my indexes. In > one of my experiments I set number of replicas to 2 and the request to > index a document never returned. At the moment I have only one node > set up, and I understand that 1 node and 2 replicas is not really a > meaningful configuration, but freezing does not seem the right > response here. What's interesting is that 1 replica with a single node > > - still an invalid configuration works fine, > > What am missing here? ---
**Author:** ![mfeingold](https://avatars.discourse-cdn.com/v4/letter/m/ecb155/32.png) [@mfeingold](https://discuss.elastic.co/u/mfeingold)\ **Post date:** [September 13, 2011, 9:37pm UTC](https://discuss.elastic.co/t/es-freezes-with-number-of-replicas-1/5363/3 "2011-09-13T21:37:17Z")
ah - makes sense On Sep 12, 5:55 pm, Shay Banon [kim...@gmail.com](mailto:kim...@gmail.com) wrote: > It does not freeze, it will timeout after 1 minute (the default). When you > index, by default, a quorum of shard/replica is expected to be allocated. in > 2 replica case, that quorum number is 2, and you only have 1 node, so only 1 > for each partition is allocated. > > On Tue, Sep 13, 2011 at 1:05 AM, Michael Feingold [mfeing...@hill30.com](mailto:mfeing...@hill30.com)wrote: > > > I was playing with different shard/replica settings on my indexes. In > > one of my experiments I set number of replicas to 2 and the request to > > index a document never returned. At the moment I have only one node > > set up, and I understand that 1 node and 2 replicas is not really a > > meaningful configuration, but freezing does not seem the right > > response here. What's interesting is that 1 replica with a single node > > > > - still an invalid configuration works fine, > > > What am missing here? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 3:54am UTC](https://discuss.elastic.co/t/es-freezes-with-number-of-replicas-1/5363/4 "2017-07-06T03:54:29Z")
Closed on July 6, 2017, 3:54am UTC