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Removed wake code and added min_containers with a default of zero so no containers are kept active by default

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Shay Harding
2025-03-22 12:02:13 +00:00
parent e503d57f61
commit 79948e3b71
1 changed files with 7 additions and 14 deletions
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21
week8/pricer_service2.py
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@@ -3,17 +3,20 @@ from pathlib import PurePosixPath
# Setup - define our infrastructure with code! # Setup - define our infrastructure with code!
app = modal.App("pricer-service") app = modal.App("pricer-service")
secrets = [modal.Secret.from_name("huggingface-secret")]
image = modal.Image.debian_slim().pip_install( image = modal.Image.debian_slim().pip_install(
"huggingface", "torch", "transformers", "bitsandbytes", "huggingface", "torch", "transformers", "bitsandbytes",
"accelerate", "peft", "huggingface_hub[hf_transfer]" "accelerate", "peft", "huggingface_hub[hf_transfer]"
).env({"HF_HUB_ENABLE_HF_TRANSFER": "1"}) ).env({"HF_HUB_ENABLE_HF_TRANSFER": "1"})
# This is where we cache model files to avoid redownloading each time a container is started
hf_cache_vol = modal.Volume.from_name("hf-cache", create_if_missing=True) hf_cache_vol = modal.Volume.from_name("hf-cache", create_if_missing=True)
secrets = [modal.Secret.from_name("huggingface-secret")]
# Constants
GPU = "T4" GPU = "T4"
# Keep N containers active to avoid cold starts
MIN_CONTAINERS = 0
BASE_MODEL = "meta-llama/Meta-Llama-3.1-8B" BASE_MODEL = "meta-llama/Meta-Llama-3.1-8B"
PROJECT_NAME = "pricer" PROJECT_NAME = "pricer"
HF_USER = "ed-donner" # your HF name here! Or use mine if you just want to reproduce my results. HF_USER = "ed-donner" # your HF name here! Or use mine if you just want to reproduce my results.
@@ -22,7 +25,7 @@ PROJECT_RUN_NAME = f"{PROJECT_NAME}-{RUN_NAME}"
REVISION = "e8d637df551603dc86cd7a1598a8f44af4d7ae36" REVISION = "e8d637df551603dc86cd7a1598a8f44af4d7ae36"
FINETUNED_MODEL = f"{HF_USER}/{PROJECT_RUN_NAME}" FINETUNED_MODEL = f"{HF_USER}/{PROJECT_RUN_NAME}"
# Define cache locations - this will map to the volume created # Mount for cache location
MODEL_DIR = PurePosixPath("/models") MODEL_DIR = PurePosixPath("/models")
BASE_DIR = MODEL_DIR / BASE_MODEL BASE_DIR = MODEL_DIR / BASE_MODEL
FINETUNED_DIR = MODEL_DIR / FINETUNED_MODEL FINETUNED_DIR = MODEL_DIR / FINETUNED_MODEL
@@ -30,7 +33,7 @@ FINETUNED_DIR = MODEL_DIR / FINETUNED_MODEL
QUESTION = "How much does this cost to the nearest dollar?" QUESTION = "How much does this cost to the nearest dollar?"
PREFIX = "Price is $" PREFIX = "Price is $"
@app.cls(image=image, secrets=secrets, gpu=GPU, timeout=1800, volumes={MODEL_DIR: hf_cache_vol}) @app.cls(image=image, secrets=secrets, gpu=GPU, timeout=1800, min_containers=MIN_CONTAINERS, volumes={MODEL_DIR: hf_cache_vol})
class Pricer: class Pricer:
@modal.enter() @modal.enter()
def setup(self): def setup(self):
@@ -81,13 +84,3 @@ class Pricer:
match = re.search(r"[-+]?\d*\.\d+|\d+", contents) match = re.search(r"[-+]?\d*\.\d+|\d+", contents)
return float(match.group()) if match else 0 return float(match.group()) if match else 0
@modal.method()
def wake_up(self) -> str:
return "ok"
## Keep Pricer warm so it's faster to respond to requests
@app.function(schedule=modal.Period(seconds=50))
def pricer_wake_up() -> str:
Pricer = modal.Cls.from_name("pricer-service", "Pricer")
return Pricer().wake_up.remote()