langchain4j-examples
gRPC
langchain4j-examples | gRPC | |
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3 | 11 | |
388 | 11,199 | |
- | 0.8% | |
8.8 | 9.6 | |
1 day ago | 4 days ago | |
Java | Java | |
Apache License 2.0 | Apache License 2.0 |
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langchain4j-examples
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Search in Documentation with a JavaFX Chat LangChain4j Application
The goal of LangChain4j is to simplify the integration of AI and LLM capabilities into Java applications. The project lives on GitHub, and has a separate repository with demo applications. I first learned about LangChain4j at the Devoxx conference in Antwerp in October last year. Lize Raes gave an impressive presentation with 12 demos. In the last demo, she asked the application to give some answers based on a provided text. And that was exactly what I was looking for to be able to interact with an existing dataset.
- FLaNK Stack Weekly 12 February 2024
- FLaNK Stack Weekly 23 Oct 2023
gRPC
- FLaNK Stack Weekly 12 February 2024
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Reference Count, Don't Garbage Collect
That's not true at all. Case in point In general, this is not a problem that AGC can solve. The language can help (something Java is admittedly particularly bad at) but even so, there'll always be avenues for leaks. That's just the nature of shared things. Interestingly, in the linked grpc case, the leaked memory is only half the problem -- AGC doesn't help at all with the leaked HTTP2 connection.
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Distroless Alpine
I've trialled my new image with an existing project via JLink that's heavy on Netty and gRPC the image works great (with a small tweak to exclude grpc-netty-shaded due to grpc-java#9083).
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What are the user agents?
When developing an application, the vast majority of code is written by other people. We import that code and make use of it to get whatever we need done. In this case, the developer of an various android applications are using grpc-java.
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Buf raises $93M to deprecate REST/JSON
`proto_library` for building the `.bin` file from protos works great. Generating stubs/messages for "all" languages does not. Each language does not want to implement gRPC rules, the gRPC team does not want to implement rules for each language. Sort of a deadlock situation. For example:
- C++: https://github.com/grpc/grpc/blob/master/bazel/cc_grpc_libra...
- Python: https://github.com/grpc/grpc/blob/master/bazel/python_rules....
- ObjC: https://github.com/grpc/grpc/blob/master/bazel/objc_grpc_lib...
- Java: https://github.com/grpc/grpc-java/blob/master/java_grpc_libr...
- Go (different semantics than all of the other): https://github.com/bazelbuild/rules_go/blob/master/proto/def...
But there's also no real cohesion within the community. The biggest effort to date has been in https://github.com/stackb/rules_proto which integrates with gazelle.
tl;dr: Low alignment results in diverging implementations that are complicated to understand for newcomers. Buff's approach is much more appealing as it's a "this is the one way to do the right thing" and having it just work by detecting `proto_library` and doing all of the linting/registry stuff automagically in CI would be fantastic.
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grpc_bench: open-source, objective gRPC benchmark
Small clarification (to my understanding, I'm not a Java Guru) on why Java got on top - those Java implementations use something called Direct Executor. It's super performant when there's no chance of a blocking operation. But if you are to do anything more than echo service, you might be in trouble. Other implementations probably don't suffer from the same constraint. The related discussion can be found in this PR.
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Android Java GRPC Tutorial
clone https://github.com/grpc/grpc-java
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GRPC
If you do streaming then the best option would be to use a so called manual flow control. You can find an example here.
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High performing APIs with gRPC
Another interesting link is their official grpc-java benchmarks project, which is also used in the benchmark I've posted you.
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Java 16 EA Alpine & JLink vs Graal
Both JLink (gRPC#3522) and Graal have some issues; I'm especially concerned about the Serial GC in Graal so will be putting that under some stress soon to see if that confirms my suspicions. I'll also be good when some Java 16 JRE Alpine images appear as the JDK is too bloaty.
What are some alternatives?
stable-audio-tools - Generative models for conditional audio generation
Dubbo - The java implementation of Apache Dubbo. An RPC and microservice framework.
lang2sql - A tutorial for setting an SQL code generator with the OpenAI API
Netty - Netty project - an event-driven asynchronous network application framework
llm-awq - [MLSys 2024 Best Paper Award] AWQ: Activation-aware Weight Quantization for LLM Compression and Acceleration
Finagle - A fault tolerant, protocol-agnostic RPC system
CoC2023 - Community over Code, Apache NiFi, Apache Kafka, Apache Flink, Python, GTFS, Transit, Open Source, Open Data
OkHttp - Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
amazon-bedrock-with-builder-and-command-patterns - A simple, yet powerful implementation in Java that allows developers to write a rather straightforward code to create the API requests for the different foundation models supported by Amazon Bedrock.
Undertow - High performance non-blocking webserver
kafka-streams-dashboards - showcases Grafana dashboards for Kafka Stream applications leveraging client JMX metrics.
KryoNet - TCP/UDP client/server library for Java, based on Kryo