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add multipart description to scenarios.md

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Signed-off-by: Мария Малыгина <m.malygina@yadro.com>
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Мария Малыгина 2023-07-17 17:37:20 +03:00
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scenarios/run_scenarios.md
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@ -135,6 +135,24 @@ Options (in addition to the common options):
* `SLEEP_DELETE` - time interval (in seconds) between deleting VU iterations.
* `OBJ_NAME` - if specified, this name will be used for all write operations instead of random generation.
## S3 Multipart
Perform multipart upload operation, break up large objects, so they can be transferred in multiple parts, in parallel
```shell
$ ./k6 run -e DURATION=600 \
-e WRITERS=400 -e WRITERS_MULTIPART=10 \
-e WRITE_OBJ_SIZE=524288 -e WRITE_OBJ_PART_SIZE=10240 \
-e S3_ENDPOINTS=10.78.70.142:8084,10.78.70.143:8084,10.78.70.144:8084,10.78.70.145:8084 \
-e PREGEN_JSON=/home/service/s3_4kb.json \
scenarios/s3_multipart.js
```
Options:
* `S3_ENDPOINTS` - - endpoints of S3 gateways in format `host:port`. To specify multiple endpoints separate them by comma.
* `WRITERS` - number of VUs performing upload payload operation
* `WRITERS_MULTIPART` - specifies the number of parts to upload in parallel
* `WRITE_OBJ_PART_SIZE` - specifies the buffer size, in bytes, of each part to upload. The minimum size per part is 5 MiB.
## S3 Local
1. Follow steps 1. and 2. from the normal S3 scenario in order to obtain credentials and a preset file with the information about the buckets and objects that were pre-created.