Yaml: add comments to specify gaudi device ids.

ChatQnA/docker/gaudi/README.md

@@ -218,8 +218,13 @@ export BACKEND_SERVICE_ENDPOINT="http://${host_ip}:8888/v1/chatqna"
 export DATAPREP_SERVICE_ENDPOINT="http://${host_ip}:6007/v1/dataprep"
 export DATAPREP_GET_FILE_ENDPOINT="http://${host_ip}:6007/v1/dataprep/get_file"
 export DATAPREP_DELETE_FILE_ENDPOINT="http://${host_ip}:6007/v1/dataprep/delete_file"
+
+export llm_service_devices=all
+export tei_embedding_devices=all
 ```
 
+To specify the device ids, "llm_service_devices" and "tei_embedding_devices"` can be set as "0,1,2,3" alike. More info in [gaudi docs](https://docs.habana.ai/en/latest/Orchestration/Multiple_Tenants_on_HPU/Multiple_Dockers_each_with_Single_Workload.html).    
+
 If guardrails microservice is enabled in the pipeline, the below environment variables are necessary to be set.
 
 ```bash
@@ -229,7 +234,7 @@ export SAFETY_GUARD_ENDPOINT="http://${host_ip}:8088"
 export GUARDRAIL_SERVICE_HOST_IP=${host_ip}
 ```
 
-Note: Please replace with `host_ip` with you external IP address, do **NOT** use localhost.
+Note: Please replace `host_ip` with your external IP address, do **NOT** use localhost.    
 
 ### Start all the services Docker Containers
 

ChatQnA/docker/gaudi/compose.yaml

@@ -39,7 +39,7 @@ services:
       no_proxy: ${no_proxy}
       http_proxy: ${http_proxy}
       https_proxy: ${https_proxy}
-      HABANA_VISIBLE_DEVICES: all
+      HABANA_VISIBLE_DEVICES: ${tei_embedding_devices}
       OMPI_MCA_btl_vader_single_copy_mechanism: none
       MAX_WARMUP_SEQUENCE_LENGTH: 512
       INIT_HCCL_ON_ACQUIRE: 0
@@ -121,7 +121,7 @@ services:
       HF_TOKEN: ${HUGGINGFACEHUB_API_TOKEN}
       HF_HUB_DISABLE_PROGRESS_BARS: 1
       HF_HUB_ENABLE_HF_TRANSFER: 0
-      HABANA_VISIBLE_DEVICES: all
+      HABANA_VISIBLE_DEVICES: ${llm_service_devices}
       OMPI_MCA_btl_vader_single_copy_mechanism: none
     runtime: habana
     cap_add: