# ES 7.5 - Enhancing indexing process

**URL:** <https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238>\
**Category:** Elasticsearch\
**Created:** [October 25, 2020, 1:52pm UTC](https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238 "2020-10-25T13:52:14Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Khalil\_Jomaa](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/khalil_jomaa/32/77835_2.png) [@Khalil\_Jomaa](https://discuss.elastic.co/u/Khalil_Jomaa)\
**Post date:** [October 25, 2020, 1:52pm UTC](https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238/1 "2020-10-25T13:52:14Z")

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Hello,  
We are working to enhance our indexing process using ES version 7.5.2 and looking to create a dedicated cluster for doing the test, we need some help and advise which parameters and changes we can test, for example:

1. Number of primary shards, number of replicas.
2. Bulkwrite size  
Is there a place that consolidate all the parameters we should test?

Thanks

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [October 25, 2020, 2:08pm UTC](https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238/2 "2020-10-25T14:08:59Z")

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Welcome!

May I suggest you look at the following resources about sizing:

> **[Quantitative Cluster Sizing](https://www.elastic.co/elasticon/conf/2016/sf/quantitative-cluster-sizing)**

> **[How many shards should I have in my Elasticsearch cluster?](https://www.elastic.co/blog/how-many-shards-should-i-have-in-my-elasticsearch-cluster)**

> **[Managing your black Friday logs - CloudConf.IT](https://www.slideshare.net/dadoonet/managing-your-black-friday-logs-cloudconfit-93309899)**
>
> Monitoring an entire application is not a simple task, but with the right tools it is not a hard task either. However, events like Black Friday can push your a…

This video contains also some ideas to test:

[![](https://us1.discourse-cdn.com/elastic/original/3X/7/c/7c2edebd5bac194c58a5df87ede6872cb41d61a8.jpeg "Managing your Black Friday Logs, Pablo Musa, Elastic, TechSummit Amsterdam") ](https://www.youtube.com/watch?v=ilP7tG6tabI)

And [Using Rally to Get Your Elasticsearch Cluster Size Right | Elastic Videos](https://www.elastic.co/webinars/using-rally-to-get-your-elasticsearch-cluster-size-right)

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<div class="post-metadata">

**Author:** ![Khalil\_Jomaa](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/khalil_jomaa/32/77835_2.png) [@Khalil\_Jomaa](https://discuss.elastic.co/u/Khalil_Jomaa)\
**Post date:** [October 25, 2020, 2:25pm UTC](https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238/4 "2020-10-25T14:25:56Z")

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@dadoonet Thank you

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [November 22, 2020, 2:25pm UTC](https://discuss.elastic.co/t/es-7-5-enhancing-indexing-process/253238/5 "2020-11-22T14:25:57Z")

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