Introduce migrate-h2-caches command

Introduce SSH command to migrate existing persistent H2 caches to
chronicle-map.

Feature: Issue 13989
Change-Id: I16125daf91fe7afcd632dfa417610e93c8aacfea
8 files changed
tree: b8b6060c1d1e7e06d2cfba30f7c65225f95a6f43
  1. src/
  2. .gitignore
  3. BUILD
  4. build.md
  5. config.md
  6. external_plugin_deps.bzl
  7. Jenkinsfile
  8. LICENSE
  9. metrics.md
  10. migration.md
  11. README.md
  12. tuning.md
README.md

Persistent cache for Gerrit, based on ChronicleMap

Non-blocking and super-fast on-disk cache libModule for Gerrit Code Review based on ChronicleMap on-disk implementation.

How to build

This libModule is built like a Gerrit in-tree plugin, using Bazelisk. See the build instructions for more details.

Setup

  • Install cache-chronicalmap module

Install the chronicle-map module into the $GERRIT_SITE/lib directory.

Add the cache-chroniclemap module to $GERRIT_SITE/etc/gerrit.config as follows:

[gerrit]
  installModule = com.googlesource.gerrit.modules.cache.chroniclemap.ChronicleMapCacheModule

For further information and supported options, refer to config documentation.

Migration from H2 caches

You can check how to migrate from H2 to chronicle-map here.