fix mensia backend

Author: 5HT

config/config.exs

@@ -1,9 +1,9 @@
 import Config
 
 config :kvs,
-  dba: :kvs_rocks,
-  dba_st: :kvs_st,
-  dba_seq: :kvs_rocks,
+  dba: :kvs_mnesia,
+  dba_st: :kvs_stream,
+  dba_seq: :kvs_mnesia,
   schema: [:kvs, :kvs_stream, BPE.Metainfo]
 
 config :bpe,

config/config.mnesia.exs

@@ -0,0 +1,18 @@
+import Config
+
+config :kvs,
+  dba: :kvs_mnesia,
+  dba_st: :kvs_stream,
+  dba_seq: :kvs_mnesia,
+  schema: [:kvs, :kvs_stream, BPE.Metainfo]
+
+config :bpe,
+  logger_level: :debug,
+  logger: [{:handler, :synrc, :logger_std_h,
+            %{level: :debug,
+              id: :synrc,
+              module: :logger_std_h,
+              config: %{type: :file, file: ~c"bpe.log"},
+              formatter: {:logger_formatter,
+                          %{template: [:time, ~c" ", :pid, ~c" ", :msg, ~c"\n"],
+                            single_line: true,}}}}]

config/config.rocksdb.exs

@@ -0,0 +1,18 @@
+import Config
+
+config :kvs,
+  dba: :kvs_rocks,
+  dba_st: :kvs_st,
+  dba_seq: :kvs_rocks,
+  schema: [:kvs, :kvs_stream, BPE.Metainfo]
+
+config :bpe,
+  logger_level: :debug,
+  logger: [{:handler, :synrc, :logger_std_h,
+            %{level: :debug,
+              id: :synrc,
+              module: :logger_std_h,
+              config: %{type: :file, file: ~c"bpe.log"},
+              formatter: {:logger_formatter,
+                          %{template: [:time, ~c" ", :pid, ~c" ", :msg, ~c"\n"],
+                            single_line: true,}}}}]

lib/BPE.ex

@@ -1041,7 +1041,13 @@ defmodule BPE do
         end
       end)
 
-    case :kvs.get(k, key({:step, writer(w, :count) - 1, id})) do
+    tab =
+      case :application.get_env(:kvs, :dba, :kvs_mnesia) do
+        :kvs_rocks  -> k
+        :kvs_mnesia -> :hist
+      end
+
+    case :kvs.get(tab, key({:step, writer(w, :count) - 1, id})) do
       {:error, _}      -> []
       {:ok, hist() = h} -> :kvs.append(hist(h, executors: new_executed), k)
     end