# S3 logstah question

**URL:** <https://discuss.elastic.co/t/s3-logstah-question/39695>\
**Category:** Logstash\
**Created:** [January 20, 2016, 7:45pm UTC](https://discuss.elastic.co/t/s3-logstah-question/39695 "2016-01-20T19:45:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![subbu.nv](https://avatars.discourse-cdn.com/v4/letter/s/439d5e/32.png) [@subbu.nv](https://discuss.elastic.co/u/subbu.nv)\
**Post date:** [January 20, 2016, 7:45pm UTC](https://discuss.elastic.co/t/s3-logstah-question/39695/1 "2016-01-20T19:45:18Z")

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i am currently having logstash + elastic search in the local linux server and using logstah to index files from S3 bucket , push it to elastic search . S3 bucket (B1) is having thousands of files and when i trigger the logstash, i dont see any progress. after "logstah startup completed".

but when i trigger the logstash against another S3 bucket(B2) which has less number of file, it is taking 30-40 mins to start the indexing.

below are my questions.

1. the logstash indexing start depends on the volume of files in a bucket?
2. is this the logstash behavior to read the complete files in the bucket before in starts the indexing?
3. if there is a new file added to the bucket.. how logstash will know and index only that file.

Please help.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 5:15am UTC](https://discuss.elastic.co/t/s3-logstah-question/39695/2 "2017-07-06T05:15:00Z")

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