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Code Issues Packages Projects Releases Wiki Activity

feat: backend model load balancing support (#4927)

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takatost
2024-06-05 00:13:04 +08:00
committed by GitHub
parent 52ec152dd3
commit d1dbbc1e33
47 changed files with 2191 additions and 256 deletions
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25
api/core/app/apps/base_app_runner.py
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@@ -1,6 +1,6 @@
import time
from collections.abc import Generator
from typing import Optional, Union, cast
from typing import Optional, Union
from core.app.app_config.entities import ExternalDataVariableEntity, PromptTemplateEntity
from core.app.apps.base_app_queue_manager import AppQueueManager, PublishFrom
@@ -16,11 +16,11 @@ from core.app.features.hosting_moderation.hosting_moderation import HostingModer
from core.external_data_tool.external_data_fetch import ExternalDataFetch
from core.file.file_obj import FileVar
from core.memory.token_buffer_memory import TokenBufferMemory
from core.model_manager import ModelInstance
from core.model_runtime.entities.llm_entities import LLMResult, LLMResultChunk, LLMResultChunkDelta, LLMUsage
from core.model_runtime.entities.message_entities import AssistantPromptMessage, PromptMessage
from core.model_runtime.entities.model_entities import ModelPropertyKey
from core.model_runtime.errors.invoke import InvokeBadRequestError
from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
from core.moderation.input_moderation import InputModeration
from core.prompt.advanced_prompt_transform import AdvancedPromptTransform
from core.prompt.entities.advanced_prompt_entities import ChatModelMessage, CompletionModelPromptTemplate, MemoryConfig
@@ -45,8 +45,11 @@ class AppRunner:
:param query: query
:return:
"""
model_type_instance = model_config.provider_model_bundle.model_type_instance
model_type_instance = cast(LargeLanguageModel, model_type_instance)
# Invoke model
model_instance = ModelInstance(
provider_model_bundle=model_config.provider_model_bundle,
model=model_config.model
)
model_context_tokens = model_config.model_schema.model_properties.get(ModelPropertyKey.CONTEXT_SIZE)
@@ -73,9 +76,7 @@ class AppRunner:
query=query
)
prompt_tokens = model_type_instance.get_num_tokens(
model_config.model,
model_config.credentials,
prompt_tokens = model_instance.get_llm_num_tokens(
prompt_messages
)
@@ -89,8 +90,10 @@ class AppRunner:
def recalc_llm_max_tokens(self, model_config: ModelConfigWithCredentialsEntity,
prompt_messages: list[PromptMessage]):
# recalc max_tokens if sum(prompt_token + max_tokens) over model token limit
model_type_instance = model_config.provider_model_bundle.model_type_instance
model_type_instance = cast(LargeLanguageModel, model_type_instance)
model_instance = ModelInstance(
provider_model_bundle=model_config.provider_model_bundle,
model=model_config.model
)
model_context_tokens = model_config.model_schema.model_properties.get(ModelPropertyKey.CONTEXT_SIZE)
@@ -107,9 +110,7 @@ class AppRunner:
if max_tokens is None:
max_tokens = 0
prompt_tokens = model_type_instance.get_num_tokens(
model_config.model,
model_config.credentials,
prompt_tokens = model_instance.get_llm_num_tokens(
prompt_messages
)