use heapcache

Dockerfile

@@ -16,7 +16,7 @@ ADD ./cantaloupe.properties /cantaloupe/cantaloupe.properties
 
 FROM openjdk:11-jre-slim
 ENTRYPOINT ["/home/cantaloupe/run.sh", "4.1.7"]
-CMD ["-Dcantaloupe.config=/home/cantaloupe/app/cantaloupe.properties", "-Xmx2g"]
+CMD ["-Dcantaloupe.config=/home/cantaloupe/app/cantaloupe.properties", "-Xmx4g", "-Xms 800m"]
 ARG HTTP_PORT=8182
 ARG BUILD_WITH=""
 HEALTHCHECK --start-period=30s CMD curl -sf 0.0.0.0:${HTTP_PORT} -o /dev/null || exit 1

cantaloupe.properties

@@ -470,7 +470,7 @@ cache.server.derivative.enabled = true
 
 # Available values are `FilesystemCache`, `JdbcCache`, `RedisCache`,
 # `HeapCache`, `S3Cache`, and `AzureStorageCache`.
-cache.server.derivative = RedisCache
+cache.server.derivative = HeapCache
 
 # Amount of time derivative cache content remains valid. Set to blank or 0
 # for forever.
@@ -478,7 +478,7 @@ cache.server.derivative.ttl_seconds = 2592000
 
 # Whether to use the Java heap as a "level 1" cache for image infos, either
 # independently or in front of a "level 2" derivative cache (if enabled).
-cache.server.info.enabled = true
+cache.server.info.enabled = false
 
 # If true, when a source reports that the requested source image has gone
 # missing, all cached information relating to it (if any) will be deleted.
@@ -523,7 +523,7 @@ FilesystemCache.dir.name_length = 2
 # Target cache size, in bytes or a number ending in M, MB, G, GB, etc.
 # This is not a hard limit, and may be transiently exceeded.
 # Ensure your heap can accommodate this size.
-HeapCache.target_size = 2G
+HeapCache.target_size = 3G
 
 # If true, the cache contents will be written to a file on exit and during
 # cache worker shifts, and read back in at startup.