feat: added ZEO_CLIENT_CACHE_SIZE and ZEO_BLOB_CACHE_SIZE

Author: olimpiurob

README.md

@@ -57,6 +57,9 @@ By default the `docker-compose.yml` includes the core Zope instances and a light
 | `RELSTORAGE_DSN` | *(empty)* | If provided, connects ZODB to a RelStorage backend (e.g. `dbname='reportek'...`) |
 | `ZEO_ADDRESS` | *(empty)* | If set (e.g. `zeo:8100`), Zope connects to this ZEO server instead of using local FileStorage |
 | `ZEO_SHARED_BLOB_DIR` | `off` | Declares if the blob directory is natively shared with a ZEO server volume mount (`on` / `off`) |
+| `ZEO_CLIENT_CACHE_SIZE` | `128MB` | ZEO client object cache size (e.g. `128MB`, `512MB`). Only applied when `ZEO_ADDRESS` is set |
+| `ZEO_CLIENT_BLOB_CACHE_SIZE` | *(unset)* | ZEO client local blob cache size (e.g. `1GB`). Only meaningful when `ZEO_ADDRESS` is set and `ZEO_SHARED_BLOB_DIR=off`; omitted from
+         +config when unset |
 | `ZODB_CACHE_SIZE` | `50000` | Size of the ZODB cache for the main database |
 | `ZOPE_THREADS` | `4` | Number of threads to use in the Waitress WSGI server |
 | `ZOPE_DEBUG_MODE` | `off` | Toggles the Zope application debug mode (`on`, `off`) |

src/docker-entrypoint.sh

@@ -81,6 +81,11 @@ setup_zodb() {
     local zodb_conf="$ZOPE_HOME/etc/zodb.conf"
     local cache_size=${ZODB_CACHE_SIZE:-50000}
     local shared_blob_dir=${ZEO_SHARED_BLOB_DIR:-off}
+    local zeo_client_cache_size=${ZEO_CLIENT_CACHE_SIZE:-128MB}
+    local zeo_blob_cache_line=""
+    if [ -n "$ZEO_CLIENT_BLOB_CACHE_SIZE" ]; then
+        zeo_blob_cache_line="        blob-cache-size $ZEO_CLIENT_BLOB_CACHE_SIZE"
+    fi
 
     log "Generating ZODB configuration at $zodb_conf"
 
@@ -100,7 +105,7 @@ setup_zodb() {
 </zodb_db>
 EOF
     elif [ -n "$ZEO_ADDRESS" ]; then
-        log "ZEO_ADDRESS is set to $ZEO_ADDRESS. Configuring ZEO Client..."
+        log "ZEO_ADDRESS is set to $ZEO_ADDRESS. Configuring ZEO Client (cache-size=$zeo_client_cache_size${ZEO_CLIENT_BLOB_CACHE_SIZE:+, blob-cache-size=$ZEO_CLIENT_BLOB_CACHE_SIZE})..."
         cat <<EOF > "$zodb_conf"
 <zodb_db main>
     cache-size $cache_size
@@ -109,10 +114,11 @@ EOF
         storage 1
         name zeostorage
         var $ZOPE_HOME/var
-        cache-size 128MB
+        cache-size $zeo_client_cache_size
         blob-dir $ZOPE_HOME/var/blobstorage
         shared-blob-dir $shared_blob_dir
-    </zeoclient>
+${zeo_blob_cache_line:+$zeo_blob_cache_line
+}    </zeoclient>
     mount-point /
 </zodb_db>
 EOF