![Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium](https://miro.medium.com/v2/resize:fit:1400/1*_TbjjgRL7kcvcEbSv90qrw.png)
Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium
![Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts](https://miro.medium.com/v2/resize:fit:1400/1*ngI9W9rGgAinGlXApx9lAw.png)
Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts
Shard allocation awareness (rack aware, zone aware, for example) · Issue #1352 · elastic/elasticsearch · GitHub
![Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium](https://miro.medium.com/v2/resize:fit:1400/1*s8VDuTl5BQJTXKyhc0-hrg.png)
Optimizing Elasticsearch for High-Volume Data Ingestion: A Use Case at EXFO | by Yann Vanderstockt | Medium
![Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts](https://miro.medium.com/v2/resize:fit:1400/1*go6hL7IoI7q8BcCO1hNEEw.png)