Update cortex/tsdb.libsonnet

Co-authored-by: Marco Pracucci <[email protected]>

Author: aknuds1

cortex/tsdb.libsonnet

@@ -229,9 +229,9 @@
       'blocks-storage.bucket-store.index-cache.memcached.max-get-multi-concurrency': indexMaxConcurrency,
       'blocks-storage.bucket-store.chunks-cache.memcached.max-get-multi-concurrency': chunksMaxConcurrency,
       'blocks-storage.bucket-store.metadata-cache.memcached.max-get-multi-concurrency': metaMaxConcurrency,
-      'blocks-storage.bucket-store.index-cache.memcached.max-idle-connections': indexMaxConcurrency,
-      'blocks-storage.bucket-store.chunks-cache.memcached.max-idle-connections': chunksMaxConcurrency,
-      'blocks-storage.bucket-store.metadata-cache.memcached.max-idle-connections': metaMaxConcurrency,
+    'blocks-storage.bucket-store.index-cache.memcached.max-idle-connections': $.store_gateway_args['blocks-storage.bucket-store.index-cache.memcached.max-get-multi-concurrency'],
+    'blocks-storage.bucket-store.chunks-cache.memcached.max-idle-connections': $.store_gateway_args['blocks-storage.bucket-store.chunks-cache.memcached.max-get-multi-concurrency'],
+    'blocks-storage.bucket-store.metadata-cache.memcached.max-idle-connections': $.store_gateway_args['blocks-storage.bucket-store.metadata-cache.memcached.max-get-multi-concurrency'],
 
     } +
     $.blocks_chunks_caching_config +