# Elapsed time is not calculating for all requests - elapsed\_end\_without\_start

**URL:** <https://discuss.elastic.co/t/elapsed-time-is-not-calculating-for-all-requests-elapsed-end-without-start/262842>\
**Category:** Logstash\
**Created:** [February 1, 2021, 1:22pm UTC](https://discuss.elastic.co/t/elapsed-time-is-not-calculating-for-all-requests-elapsed-end-without-start/262842 "2021-02-01T13:22:23Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ramesh535](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ramesh535/32/77615_2.png) [@Ramesh535](https://discuss.elastic.co/u/Ramesh535)\
**Post date:** [February 1, 2021, 1:22pm UTC](https://discuss.elastic.co/t/elapsed-time-is-not-calculating-for-all-requests-elapsed-end-without-start/262842/1 "2021-02-01T13:22:23Z")

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Hi Everyone,

Out of 1000 requests, elapsed time is not calculating for atleast 100 requests and it is throwing exception as elapsed\_end\_without\_start in tags.

Can any one suggest solution to overcome this issue. Thanks in advance.

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<div class="post-metadata">

**Author:** ![artobstrel](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/artobstrel/32/16874_2.png) [@artobstrel](https://discuss.elastic.co/u/artobstrel)\
**Post date:** [February 24, 2021, 6:15pm UTC](https://discuss.elastic.co/t/elapsed-time-is-not-calculating-for-all-requests-elapsed-end-without-start/262842/2 "2021-02-24T18:15:27Z")

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in logstash.yml set pipeline.workers: 1

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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:** [March 24, 2021, 6:15pm UTC](https://discuss.elastic.co/t/elapsed-time-is-not-calculating-for-all-requests-elapsed-end-without-start/262842/3 "2021-03-24T18:15:36Z")

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