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This repo contains hadoop jobs, luigi tasks, and other scripts and code for the
internet archive web group's journal ingest pipeline.
Code in tihs repository is potentially public!
Archive-specific deployment/production guides and ansible scripts at:
[journal-infra](https://git.archive.org/webgroup/journal-infra)
**./python/** contains scripts and utilities for
**./sql/** contains schema, queries, and backfill scripts for a Postgres SQL
database index (eg, file metadata, CDX, and GROBID status tables).
**./minio/** contains docs on how to setup and use a minio S3-compatible blob
store (eg, for GROBID XML output)
**./scalding/** contains Hadoop jobs written in Scala using the Scalding
framework. The intent is to write new non-trivial Hadoop jobs in Scala, which
brings type safety and compiled performance.
**./python_hadoop/** contains Hadoop streaming jobs written in python using the
`mrjob` library. Considered deprecated!
**./pig/** contains a handful of Pig scripts, as well as some unittests
implemented in python.
## Running Hadoop Jobs
The `./please` python3 wrapper script is a helper for running jobs (python or
scalding) on the IA Hadoop cluster. You'll need to run the setup/dependency
tasks first; see README files in subdirectories.
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