config.default.json

// comments are allowed in this json file
{
  "host": "localhost",
  "port": 7777,
  "bucket": null, // specify this on command line or in another config file
  "idleMinutes": 0, // 0 means live forever; >0 means exit automatically after idle time
  "allowOffline": true,
  "errorsBeforePausing": 3,
  "pauseMinutes": 5,
  "socketTimeoutSeconds": 30, // Default is 120 seconds
  "maxEntrySizeBytes": 64000000, // max size for one item uploaded to S3; 0 means no limit
  "allowGccDepfiles": true, // gcc depfiles often cause Bazel cross-machine build problems,
                            // so bazels3cache can prevent them from being stored in the
                            // remote cache

  "asyncUpload": {
    "enabled": true,
    "maxPendingUploadMB": 250,
    "cacheDir": "~/.cache/bazels3cache"
  },

  "cache": { // settings related to the in-memory cache
    "enabled": false,
    "maxEntrySizeBytes": 1000000, // max size for items retained in memory
    "maxTotalSizeBytes": 50000000 // be careful, this is an in-memory cache
  },

  "logging": {
    // "info" will log infos, warnings, and errors
    // To also log the full JSON of all S3 errors, use "verbose"
    "level": "info",
    "file": "~/.bazels3cache.log"
  }
}