# Elastic search as a primary storage: features/capabilities **URL:** \ **Category:** Elasticsearch\ **Created:** [October 22, 2014, 5:36am UTC](https://discuss.elastic.co/t/elastic-search-as-a-primary-storage-features-capabilities/20376 "2014-10-22T05:36:50Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Akram\_Hussein](https://avatars.discourse-cdn.com/v4/letter/a/ba8739/32.png) [@Akram\_Hussein](https://discuss.elastic.co/u/Akram_Hussein)\ **Post date:** [October 22, 2014, 5:36am UTC](https://discuss.elastic.co/t/elastic-search-as-a-primary-storage-features-capabilities/20376/1 "2014-10-22T05:36:50Z")
I am trying to get my head around some feature/capabilities for elastic search vs mongoldb as a primary storage for document stores. 1. What is the storage overhead for a local deployment? how many copies? If I use it as the primary store, what are the protection guarantees? 2. Does it have ability to do geo-protection? if yes, how many sites? 3. Does it have ability to access data from multiple sites? 4. I saw there are snapshots, but whats the limit on number of snapshots that can be taken? can i rollback a specific document and not entire cluster if i take a snapshot at cluster level? Some deployment related questions: How many nodes does it scale to? any limits? what is the preferred spindle size? I saw it eats up a lot of memory, but I assume it prefers SSDs or 1 TB drives larger than that how it would perform? -- 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+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/266c9202-21fd-42c7-ba10-0e88a3be5e26%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/266c9202-21fd-42c7-ba10-0e88a3be5e26%40googlegroups.com). For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout). ---
**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, 12:54am UTC](https://discuss.elastic.co/t/elastic-search-as-a-primary-storage-features-capabilities/20376/2 "2017-07-06T00:54:31Z")
Closed on July 6, 2017, 12:54am UTC