diff --git a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheConfig.java b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheConfig.java
index 01ba278..e2c5afe 100644
--- a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheConfig.java
+++ b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheConfig.java
@@ -264,11 +264,11 @@
     static final ImmutableMap<String, DefaultConfig> defaultMap =
         new ImmutableMap.Builder<String, DefaultConfig>()
             .put("accounts", DefaultConfig.create(30, 256, 1000, 1))
+            .put("approvals", DefaultConfig.create(103, 365, 1000, 3))
             .put("change_kind", DefaultConfig.create(59, 26, 1000, 1))
             .put("change_notes", DefaultConfig.create(36, 10240, 1000, 3))
             .put("comment_context", DefaultConfig.create(80, 662, 2000, 3))
             .put("conflicts", DefaultConfig.create(70, 16, 1000, 1))
-            .put("diff", DefaultConfig.create(98, 10240, 1000, 2))
             .put("diff_intraline", DefaultConfig.create(512, 2048, 1000, 2))
             .put("diff_summary", DefaultConfig.create(128, 2048, 1000, 1))
             .put("external_ids_map", DefaultConfig.create(128, 204800, 2, 1))
diff --git a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/H2MigrationServlet.java b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/H2MigrationServlet.java
index c3959e9..287fe72 100644
--- a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/H2MigrationServlet.java
+++ b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/H2MigrationServlet.java
@@ -42,8 +42,10 @@
 import com.google.gerrit.server.patch.DiffSummaryKey;
 import com.google.gerrit.server.patch.IntraLineDiff;
 import com.google.gerrit.server.patch.IntraLineDiffKey;
-import com.google.gerrit.server.patch.PatchList;
-import com.google.gerrit.server.patch.PatchListKey;
+import com.google.gerrit.server.patch.filediff.FileDiffCacheKey;
+import com.google.gerrit.server.patch.filediff.FileDiffOutput;
+import com.google.gerrit.server.patch.gitfilediff.GitFileDiff;
+import com.google.gerrit.server.patch.gitfilediff.GitFileDiffCacheKey;
 import com.google.gerrit.server.query.change.ConflictKey;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -104,7 +106,9 @@
       @Named("git_tags") PersistentCacheDef<String, TagSetHolder> gitTagsCacheDef,
       @Named("change_notes")
           PersistentCacheDef<ChangeNotesCache.Key, ChangeNotesState> changeNotesCacheDef,
-      @Named("diff") PersistentCacheDef<PatchListKey, PatchList> diffCacheDef,
+      @Named("gerrit_file_diff")
+          PersistentCacheDef<FileDiffCacheKey, FileDiffOutput> gerritFileDiffDef,
+      @Named("git_file_diff") PersistentCacheDef<GitFileDiffCacheKey, GitFileDiff> gitFileDiffDef,
       @Named("diff_intraline")
           PersistentCacheDef<IntraLineDiffKey, IntraLineDiff> diffIntraLineCacheDef,
       @Named("diff_summary") PersistentCacheDef<DiffSummaryKey, DiffSummary> diffSummaryCacheDef,
@@ -126,7 +130,8 @@
                 pureRevertCacheDef,
                 gitTagsCacheDef,
                 changeNotesCacheDef,
-                diffCacheDef,
+                gerritFileDiffDef,
+                gitFileDiffDef,
                 diffIntraLineCacheDef,
                 diffSummaryCacheDef,
                 persistedProjectsCacheDef,
diff --git a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/InMemoryCacheLoadingFromStoreImpl.java b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/InMemoryCacheLoadingFromStoreImpl.java
index 96b75da..ea11bba 100644
--- a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/InMemoryCacheLoadingFromStoreImpl.java
+++ b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/InMemoryCacheLoadingFromStoreImpl.java
@@ -14,7 +14,6 @@
 
 package com.googlesource.gerrit.modules.cache.chroniclemap;
 
-import com.google.common.cache.Cache;
 import com.google.common.cache.CacheStats;
 import com.google.common.cache.LoadingCache;
 import com.google.gerrit.common.Nullable;
@@ -22,7 +21,7 @@
 import java.util.concurrent.ExecutionException;
 
 class InMemoryCacheLoadingFromStoreImpl<K, V> implements InMemoryCache<K, V> {
-  private final Cache<K, TimedValue<V>> loadingFromStoreCache;
+  private final LoadingCache<K, TimedValue<V>> loadingFromStoreCache;
   private final boolean loadingFromSource;
 
   /**
@@ -59,15 +58,15 @@
 
   @Override
   public TimedValue<V> get(K key) throws ExecutionException {
-    if (loadingFromSource) {
-      return ((LoadingCache<K, TimedValue<V>>) loadingFromStoreCache).get(key);
-    }
-
     TimedValue<V> cachedValue = getIfPresent(key);
     if (cachedValue != null) {
       return cachedValue;
     }
 
+    if (loadingFromSource) {
+      return loadingFromStoreCache.get(key);
+    }
+
     throw new UnsupportedOperationException(
         String.format("Could not load value for %s without any loader", key));
   }
@@ -75,7 +74,7 @@
   @Override
   public void refresh(K key) {
     if (loadingFromSource) {
-      ((LoadingCache<K, TimedValue<V>>) loadingFromStoreCache).refresh(key);
+      loadingFromStoreCache.refresh(key);
     }
   }
 
diff --git a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AnalyzeH2CachesIT.java b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AnalyzeH2CachesIT.java
index 482b9da..c02d581 100644
--- a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AnalyzeH2CachesIT.java
+++ b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AnalyzeH2CachesIT.java
@@ -49,7 +49,8 @@
     String result = adminSshSession.exec(cmd);
 
     adminSshSession.assertSuccess();
-    assertThat(result).contains("[cache \"diff\"]\n" + "\tmaxEntries = 1\n");
+    assertThat(result).contains("[cache \"git_file_diff\"]\n" + "\tmaxEntries = 1\n");
+    assertThat(result).contains("[cache \"gerrit_file_diff\"]\n" + "\tmaxEntries = 2\n");
     assertThat(result).contains("[cache \"accounts\"]\n" + "\tmaxEntries = 4\n");
     assertThat(result).contains("[cache \"diff_summary\"]\n" + "\tmaxEntries = 1\n");
     assertThat(result).contains("[cache \"persisted_projects\"]\n" + "\tmaxEntries = 3\n");
@@ -68,7 +69,8 @@
             "WARN: Cache diff_intraline is empty, skipping.",
             "WARN: Cache change_kind is empty, skipping.",
             "WARN: Cache diff_summary is empty, skipping.",
-            "WARN: Cache diff is empty, skipping.",
+            "WARN: Cache gerrit_file_diff is empty, skipping.",
+            "WARN: Cache git_file_diff is empty, skipping.",
             "WARN: Cache pure_revert is empty, skipping.",
             "WARN: Cache git_tags is empty, skipping.");
     String result = adminSshSession.exec(cmd);
@@ -87,7 +89,8 @@
             "WARN: Cache diff_intraline is empty, skipping.",
             "WARN: Cache change_kind is empty, skipping.",
             "WARN: Cache diff_summary is empty, skipping.",
-            "WARN: Cache diff is empty, skipping.",
+            "WARN: Cache gerrit_file_diff is empty, skipping.",
+            "WARN: Cache git_file_diff is empty, skipping.",
             "WARN: Cache pure_revert is empty, skipping.",
             "WARN: Cache git_tags is empty, skipping.");
     String result = adminSshSession.exec(cmd);
diff --git a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AutoAdjustCachesIT.java b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AutoAdjustCachesIT.java
index 39e832a..5e4fe22 100644
--- a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AutoAdjustCachesIT.java
+++ b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/AutoAdjustCachesIT.java
@@ -62,7 +62,8 @@
   private static final String SSH_CMD = "cache-chroniclemap auto-adjust-caches";
   private static final String REST_CMD = "/plugins/cache-chroniclemap/auto-adjust-caches";
   private static final String GROUPS_BYUUID_PERSISTED = "groups_byuuid_persisted";
-  private static final String DIFF = "diff";
+  private static final String GERRIT_FILE_DIFF = "gerrit_file_diff";
+  private static final String GIT_FILE_DIFF = "git_file_diff";
   private static final String DIFF_SUMMARY = "diff_summary";
   private static final String ACCOUNTS = "accounts";
   private static final String PERSISTED_PROJECTS = "persisted_projects";
@@ -74,7 +75,13 @@
   private static final Function<String, Boolean> MATCH_ALL = (n) -> true;
 
   private static final ImmutableList<String> EXPECTED_CACHES =
-      ImmutableList.of(GROUPS_BYUUID_PERSISTED, DIFF, DIFF_SUMMARY, ACCOUNTS, PERSISTED_PROJECTS);
+      ImmutableList.of(
+          GROUPS_BYUUID_PERSISTED,
+          GERRIT_FILE_DIFF,
+          GIT_FILE_DIFF,
+          DIFF_SUMMARY,
+          ACCOUNTS,
+          PERSISTED_PROJECTS);
 
   @Inject private SitePaths sitePaths;
 
@@ -175,10 +182,23 @@
   }
 
   @Test
-  public void shouldCreateNewCacheFileForSingleDiffCache() throws Exception {
+  public void shouldCreateNewCacheFileForSingleGitFileDiffCache() throws Exception {
     createChange();
 
-    adminSshSession.exec(SSH_CMD + " " + DIFF);
+    adminSshSession.exec(SSH_CMD + " " + GIT_FILE_DIFF);
+
+    adminSshSession.assertSuccess();
+    Set<String> tunedCaches =
+        tunedFileNamesSet(n -> n.matches(".*" + AutoAdjustCaches.TUNED_INFIX + ".*"));
+
+    assertThat(tunedCaches.size()).isEqualTo(1);
+  }
+
+  @Test
+  public void shouldCreateNewCacheFileForSingleGerritFileDiffCache() throws Exception {
+    createChange();
+
+    adminSshSession.exec(SSH_CMD + " " + GERRIT_FILE_DIFF);
 
     adminSshSession.assertSuccess();
     Set<String> tunedCaches =
@@ -256,10 +276,23 @@
   }
 
   @Test
-  public void shouldAllowTuningOfSingleDiffCacheOverRestForAdmin() throws Exception {
+  public void shouldAllowTuningOfSingleGitFileDiffCacheOverRestForAdmin() throws Exception {
     createChange();
 
-    RestResponse resp = adminRestSession.put(REST_CMD + "?CACHE_NAME=" + DIFF);
+    RestResponse resp = adminRestSession.put(REST_CMD + "?CACHE_NAME=" + GIT_FILE_DIFF);
+
+    resp.assertCreated();
+
+    assertThat(configResult(resp.getEntityContent(), null).getSubsections("cache")).isNotEmpty();
+    assertThat(tunedFileNamesSet(n -> n.matches(".*" + AutoAdjustCaches.TUNED_INFIX + ".*")))
+        .hasSize(1);
+  }
+
+  @Test
+  public void shouldAllowTuningOfSingleGerritFileDiffCacheOverRestForAdmin() throws Exception {
+    createChange();
+
+    RestResponse resp = adminRestSession.put(REST_CMD + "?CACHE_NAME=" + GERRIT_FILE_DIFF);
 
     resp.assertCreated();
 
diff --git a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
index dbca0df..3561051 100644
--- a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
+++ b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
@@ -65,6 +65,6 @@
 
   private RestResponse runMigrationWithAcceptHeader(RestSession restSession, String acceptHeader)
       throws IOException {
-    return restSession.putWithHeader(MIGRATION_ENDPOINT, new BasicHeader(ACCEPT, acceptHeader));
+    return restSession.putWithHeaders(MIGRATION_ENDPOINT, new BasicHeader(ACCEPT, acceptHeader));
   }
 }
diff --git a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesLocalDiskIT.java b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesLocalDiskIT.java
index 77ae477..57de6cd 100644
--- a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesLocalDiskIT.java
+++ b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesLocalDiskIT.java
@@ -288,7 +288,7 @@
 
   private RestResponse runMigrationWithAcceptHeader(RestSession restSession, String acceptHeader)
       throws IOException {
-    return restSession.putWithHeader(MIGRATION_ENDPOINT, new BasicHeader(ACCEPT, acceptHeader));
+    return restSession.putWithHeaders(MIGRATION_ENDPOINT, new BasicHeader(ACCEPT, acceptHeader));
   }
 
   private <T> T findClassBoundWithName(Class<T> clazz, String named) {