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gerrit / modules / cache-chroniclemap

Gerrit module for using the ChronicleMap as cache persistence layer

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Branches

  1. 3a9edfc Clean the `Redundant specification of type argument(s)` warning by Jacek Centkowski · 6 weeks ago master
  2. de16725 Remove definition of `SitePaths sitePaths` from ITs by Jacek Centkowski · 6 weeks ago
  3. 8c9a806 Adapt to the new PersistentCacheBaseFactory on master by Luca Milanesio · 7 weeks ago
  4. fb708f0 Reformat with GJF 1.24.0 by Luca Milanesio · 7 weeks ago
  5. da8a98b Merge branch 'stable-3.11' by Antonio Barone · 5 months ago

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

Note that in order to run on JDK 17 (or newer) the following parameters needs to be added to $GERRIT_SITE/etc/gerrit.config:

[container]
  javaOptions = --add-exports=java.base/jdk.internal.ref=ALL-UNNAMED
  javaOptions = --add-exports=java.base/sun.nio.ch=ALL-UNNAMED
  javaOptions = --add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED
  javaOptions = --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
  javaOptions = --add-opens=jdk.compiler/com.sun.tools.javac=ALL-UNNAMED
  javaOptions = --add-opens=java.base/java.lang=ALL-UNNAMED
  javaOptions = --add-opens=java.base/java.lang.reflect=ALL-UNNAMED
  javaOptions = --add-opens=java.base/java.io=ALL-UNNAMED
  javaOptions = --add-opens=java.base/java.util=ALL-UNNAMED

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.