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druid/docs/operations/python.md

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Druid automated quickstart (#13365) * Druid automated quickstart * remove conf/druid/single-server/quickstart/_common/historical/jvm.config * Minor changes in python script * Add lower bound memory for some services * Additional runtime properties for services * Update supervise script to accept command arguments, corresponding changes in druid-quickstart.py * File end newline * Limit the ability to start multiple instances of a service, documentation changes * simplify script arguments * restore changes in medium profile * run-druid refactor * compute and pass middle manager runtime properties to run-druid supervise script changes to process java opts array use argparse, leave free memory, logging * Remove extra quotes from mm task javaopts array * Update logic to compute minimum memory * simplify run-druid * remove debug options from run-druid * resolve the config_path provided * comment out service specific runtime properties which are computed in the code * simplify run-druid * clean up docs, naming changes * Throw ValueError exception on illegal state * update docs * rename args, compute_only -> compute, run_zk -> zk * update help documentation * update help documentation * move task memory computation into separate method * Add validation checks * remove print * Add validations * remove start-druid bash script, rename start-druid-main * Include tasks in lower bound memory calculation * Fix test * 256m instead of 256g * caffeine cache uses 5% of heap * ensure min task count is 2, task count is monotonic * update configs and documentation for runtime props in conf/druid/single-server/quickstart * Update docs * Specify memory argument for each profile in single-server.md * Update middleManager runtime.properties * Move quickstart configs to conf/druid/base, add bash launch script, support python2 * Update supervise script * rename base config directory to auto * rename python script, changes to pass repeated args to supervise * remove exmaples/conf/druid/base dir * add docs * restore changes in conf dir * update start-druid-auto * remove hashref for commands in supervise script * start-druid-main java_opts array is comma separated * update entry point script name in python script * Update help docs * documentation changes * docs changes * update docs * add support for running indexer * update supported services list * update help * Update python.md * remove dir * update .spelling * Remove dependency on psutil and pathlib * update docs * Update get_physical_memory method * Update help docs * update docs * update method to get physical memory on python * udpate spelling * update .spelling * minor change * Minor change * memory comptuation for indexer * update start-druid * Update python.md * Update single-server.md * Update python.md * run python3 --version to check if python is installed * Update supervise script * start-druid: echo message if python not found * update anchor text * minor change * Update condition in supervise script * JVM not jvm in docs
2022-12-09 14:04:02 -05:00
---
id: python
title: "Python Installation"
---
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Apache Druid startup script requires Python2 or Python3 interpreter.
Since Python2 is deprecated, this document has instructions to install Python3 interpreter.
## Python3 interpreter installation instructions
### Linux
#### Debian or Ubuntu
- `sudo apt update`
- `sudo apt install -y python3-pip`
#### RHEL
- `sudo yum install -y epel-release`
- `sudo yum install -y python3-pip`
### MacOS
#### Install with Homebrew
Refer [Installing Python 3 on Mac OS X](https://docs.python-guide.org/starting/install3/osx/)
#### Install the official Python release
* Browse to the [Python Downloads Page](https://www.python.org/downloads/) and download the latest version (3.x.x)
Verify if Python3 is installed by issuing `python3 --version` command.