Raven888888

### Search before asking - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar. ### Version Ubuntu 20.04 Pulsar 2.7.0 Cluster setup 5 zookeeper 5 bookkeeper 5 broker -...

Hello! I'd like to ask about 2 issues that I've faced: **Question 1:** We have 3 servers, each hosted Pulsar Broker, BK and ZK as a cluster. And for unknown...

[Bug] Upgrade from 3.3.3 -> 3.4.1, .upgradeversion file shows wrong version

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**Describe the bug** Before upgrade, TB is 3.3.3: ```bash $ cat mytb-data-cassandra-bak/.upgradeversion 3.3.1 ``` After upgrade, TB is 3.4.1: ```bash $ cat mytb-data-cassandra/.upgradeversion 3.3.3 ``` Upgrade process was successful. The...

[Feature Request] Add multiple git repositories

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**Is your feature request related to a problem? Please describe.** First of all, thank you for making such an amazing feature of [version control](https://thingsboard.io/docs/user-guide/version-control/) , it makes thingsboard much more...

**Component** * Generic **Description** I am using docker-compose setup on ubuntu ``` mytb: restart: always stop_grace_period: 4m image: "thingsboard/tb-cassandra" ... ``` By default, `docker-compose stop` sends SIGTERM and wait for...

What's the key difference between `jsons` and `pydantic`?

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For serialization, one can [export](https://pydantic-docs.helpmanual.io/usage/exporting_models/#modeljson) an instance of pydantic model to json ```python from datetime import datetime from pydantic import BaseModel class BarModel(BaseModel): whatever: int class FooBarModel(BaseModel): foo: datetime bar:...

Merge upstream so that we can enjoy this nice little feature of metric with TTL! Last update was 6 years ago! PS: I come from [here](https://github.com/prometheus/pushgateway/issues/117#issuecomment-346545736)

Helm tb still stays at 3.4.0 at this time of writing, while others (minikube, etc etc) have been up to the latest 3.5.1 May I know why? Is it not...

Unable to import calibrator (AIV-601)

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Here is my env Python 3.8 Windows ``` absl-py 0.12.0 aiohttp 3.6.3 anyio 3.1.0 argon2-cffi 20.1.0 astunparse 1.6.3 async-generator 1.10 async-timeout 3.0.1 attrs 21.2.0 Babel 2.9.1 backcall 0.2.0 backports.functools-lru-cache 1.6.4...

Awesome!

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Thanks author for keeping a curated list of cool projects related to Thingsboard, this repo should really be endorsed officially by Thingsboard! Kudos!