# 2021: The Year in Review

**URL:** <https://discuss.elastic.co/t/2021-the-year-in-review/293492>\
**Category:** Meta Elastic\
**Created:** [January 5, 2022, 4:09am UTC](https://discuss.elastic.co/t/2021-the-year-in-review/293492 "2022-01-05T04:09:15Z")\
**Posts on this page:** 1\
**Showing post:** 16

<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 5, 2022, 4:09am UTC](https://discuss.elastic.co/t/2021-the-year-in-review/293492/16 "2022-01-05T04:09:23Z")

</div>

## [Top #Logs Topics](https://discuss.elastic.co/c/observability/logs/l/top)

### Most Replies

| User | Topic | Replies |
| --- | --- | --- |
| ![](https://avatars.discourse-cdn.com/v4/letter/b/a9adbd/50.png) | [Elastisearch query rule type hits contains only one document](https://discuss.elastic.co/t/elastisearch-query-rule-type-hits-contains-only-one-document/277688) | 15 |
| ![](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pculebras/50/86354_2.png) | [Trace.id and transaction.id not being added to log entry](https://discuss.elastic.co/t/trace-id-and-transaction-id-not-being-added-to-log-entry/268838) | 13 |
| ![](https://avatars.discourse-cdn.com/v4/letter/e/d2c977/50.png) | [Subheadings in Elasticsearch/clean up system logs](https://discuss.elastic.co/t/subheadings-in-elasticsearch-clean-up-system-logs/289943) | 12 |
| ![](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vharabor/50/86659_2.png) | [Structured logging with Filebeat](https://discuss.elastic.co/t/structured-logging-with-filebeat/269383) | 11 |

### Most Popular

| User | Topic | Score |
| --- | --- | --- |
| ![](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pculebras/50/86354_2.png) | [Trace.id and transaction.id not being added to log entry](https://discuss.elastic.co/t/trace-id-and-transaction-id-not-being-added-to-log-entry/268838) | 17 |
| ![](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vharabor/50/86659_2.png) | [Structured logging with Filebeat](https://discuss.elastic.co/t/structured-logging-with-filebeat/269383) | 16 |
| ![](https://avatars.discourse-cdn.com/v4/letter/b/a9adbd/50.png) | [Elastisearch query rule type hits contains only one document](https://discuss.elastic.co/t/elastisearch-query-rule-type-hits-contains-only-one-document/277688) | 16 |
| ![](https://avatars.discourse-cdn.com/v4/letter/o/da6949/50.png) | [Avoid duplicates via node ingest pipelines](https://discuss.elastic.co/t/avoid-duplicates-via-node-ingest-pipelines/288408) | 15 |
| ![](https://avatars.discourse-cdn.com/v4/letter/e/d2c977/50.png) | [Subheadings in Elasticsearch/clean up system logs](https://discuss.elastic.co/t/subheadings-in-elasticsearch-clean-up-system-logs/289943) | 15 |

---

_[View the full topic](https://discuss.elastic.co/t/2021-the-year-in-review/293492)._