# IPC\_LOCK is needed?

**URL:** <https://discuss.elastic.co/t/ipc-lock-is-needed/127873>\
**Category:** Elasticsearch\
**Created:** [April 12, 2018, 8:24pm UTC](https://discuss.elastic.co/t/ipc-lock-is-needed/127873 "2018-04-12T20:24:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sonia\_Gupta](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sonia_gupta/32/49646_2.png) [@Sonia\_Gupta](https://discuss.elastic.co/u/Sonia_Gupta)\
**Post date:** [April 12, 2018, 8:24pm UTC](https://discuss.elastic.co/t/ipc-lock-is-needed/127873/1 "2018-04-12T20:24:27Z")

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Why do we need IPC\_LOCK for elasticsearch? I am using kubernetes, and initially had container capabilities set to add IPC\_LOCK, I tried to run without it, and it still runs fine. Am I missing something?

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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:** [May 10, 2018, 8:24pm UTC](https://discuss.elastic.co/t/ipc-lock-is-needed/127873/2 "2018-05-10T20:24:33Z")

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