# 2025: The Year in Review

**URL:** <https://discuss.elastic.co/t/2025-the-year-in-review/384333>\
**Category:** Meta Elastic\
**Created:** [January 1, 2026, 9:52pm UTC](https://discuss.elastic.co/t/2025-the-year-in-review/384333 "2026-01-01T21:52:18Z")\
**Posts on this page:** 1\
**Showing post:** 2

<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:** [January 1, 2026, 9:52pm UTC](https://discuss.elastic.co/t/2025-the-year-in-review/384333/2 "2026-01-01T21:52:19Z")

</div>

## [Top #Elasticsearch Topics](https://discuss.elastic.co/c/elastic-stack/elasticsearch/l/top)

### Most Read

| User | Topic | Hours Read |
| --- | --- | --- |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lakshya_gupta/50/146116_2.png) | [High CPU Usage on a few data nodes / Hotspotting of data](https://discuss.elastic.co/t/high-cpu-usage-on-a-few-data-nodes-hotspotting-of-data/383954) | 30 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/7/3/7390b9f82f247320d0e4c98caf60b59474f0759f.png) | [EntitlementBootstrap failure preventing startup: AttachNotSupportedException: Unable to open socket file](https://discuss.elastic.co/t/entitlementbootstrap-failure-preventing-startup-attachnotsupportedexception-unable-to-open-socket-file/382452) | 17 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ronwilson/50/140954_2.png) | [Slow bulk speed](https://discuss.elastic.co/t/slow-bulk-speed/373675) | 10 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/2/b/2b5038d14ae1825264538483f64ef60e8eb738dc.png) | [Missing repodata/filelists.xml in yum repo causes repo sync to fail](https://discuss.elastic.co/t/missing-repodata-filelists-xml-in-yum-repo-causes-repo-sync-to-fail/374168) | 9 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/fpeter/50/144024_2.png) | [Query execution drastically increased after upgrade elastic cloud hosted deployment from v8.18.4 to v9.0.4](https://discuss.elastic.co/t/query-execution-drastically-increased-after-upgrade-elastic-cloud-hosted-deployment-from-v8-18-4-to-v9-0-4/382908) | 8 |

### Most Replies

| User | Topic | Replies |
| --- | --- | --- |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lakshya_gupta/50/146116_2.png) | [High CPU Usage on a few data nodes / Hotspotting of data](https://discuss.elastic.co/t/high-cpu-usage-on-a-few-data-nodes-hotspotting-of-data/383954) | 168 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ronwilson/50/140954_2.png) | [Slow bulk speed](https://discuss.elastic.co/t/slow-bulk-speed/373675) | 61 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/7/3/7390b9f82f247320d0e4c98caf60b59474f0759f.png) | [EntitlementBootstrap failure preventing startup: AttachNotSupportedException: Unable to open socket file](https://discuss.elastic.co/t/entitlementbootstrap-failure-preventing-startup-attachnotsupportedexception-unable-to-open-socket-file/382452) | 58 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sathish12/50/143619_2.png) | [Elastic cluster is getting down after 2 - 3 hours](https://discuss.elastic.co/t/elastic-cluster-is-getting-down-after-2-3-hours/383971) | 55 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/2/a/2a49d728f9e41b4198bc12a22edda8565a3a7701.png) | [Starting Fscrawler with SSL error](https://discuss.elastic.co/t/starting-fscrawler-with-ssl-error/375028) | 52 |

### Most Popular

| User | Topic | Score |
| --- | --- | --- |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/applike-ss/50/143018_2.png) | [Increased Read IOPS usage after upgrade from 8.18.0 to 9.0.1](https://discuss.elastic.co/t/increased-read-iops-usage-after-upgrade-from-8-18-0-to-9-0-1/377986) | 18 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dominbdg/50/102457_2.png) | [Issues with upgrade from 8.18.1 to 9.0.1](https://discuss.elastic.co/t/issues-with-upgrade-from-8-18-1-to-9-0-1/378753) | 18 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/2/b/2b5038d14ae1825264538483f64ef60e8eb738dc.png) | [Missing repodata/filelists.xml in yum repo causes repo sync to fail](https://discuss.elastic.co/t/missing-repodata-filelists-xml-in-yum-repo-causes-repo-sync-to-fail/374168) | 18 |
| ![avatar](https://us1.discourse-cdn.com/elastic/original/3X/8/4/848cb041f078b354af9f806c08e9c6a6e3ec675a.png) | [Issues upgrading Elasticsearch from 8 to 9 due to old 7.x indices and restricted Kibana indices](https://discuss.elastic.co/t/issues-upgrading-elasticsearch-from-8-to-9-due-to-old-7-x-indices-and-restricted-kibana-indices/379133) | 17 |
| ![avatar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/skeyby/50/142612_2.png) | [New logsdb format](https://discuss.elastic.co/t/new-logsdb-format/377101) | 17 |

---

_[View the full topic](https://discuss.elastic.co/t/2025-the-year-in-review/384333)._