Merge branch 'stable-2.8' into master

* stable-2.8:
  Fix: Performance issue when traversing large Git repositories
  Add release notes for recently made changes
  Linkify starred change state documentation
  Update release notes with recently made changes

Change-Id: I21cc559018eff24353ba2a1698036858791fa517

Documentation/rest-api-accounts.txt

@@ -924,6 +924,7 @@ link:#diff-preferences-info[DiffPreferencesInfo] entity.
   }
 ----
 
+[[get-starred-changes]]
 Get Starred Changes
 ~~~~~~~~~~~~~~~~~~~
 [verse]
@@ -967,6 +968,7 @@ link:rest-api-changes.html#change-info[ChangeInfo] entities.
   ]
 ----
 
+[[star-change]]
 Star Change
 ~~~~~~~~~~~
 [verse]
@@ -986,6 +988,7 @@ whenever updates are made to the change.
   HTTP/1.1 204 No Content
 ----
 
+[[unstar-change]]
 Unstar Change
 ~~~~~~~~~~~~~
 [verse]

ReleaseNotes/ReleaseNotes-2.8.txt

@@ -278,6 +278,15 @@ Delete account SSH key]
 * link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.8/rest-api-accounts.html#get-username[
 Get account username]
 
+* link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.8/rest-api-accounts.html#get-starred-changes[
+Get starred changes]
+
+* link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.8/rest-api-accounts.html#star-change[
+Star change]
+
+* link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.8/rest-api-accounts.html#unstar-change[
+Unstar change]
+
 Changes
 ^^^^^^^
 
@@ -741,5 +750,7 @@ Upgrades
 * Update guava to 15.0
 * Update H2 to 1.3.173
 * Update bouncycastle to 1.44
+* Update Apache Mina to 2.0.7
+* Update Apache SSHD to 0.9.0.201311081
 * asciidoctor 0.1.4 is now required to build the documentation
 * jsr305 library was removed

gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectControl.java

@@ -496,6 +496,10 @@ public class ProjectControl {
       try {
         Map<String, Ref> allRefs = repo.getRefDatabase().getRefs(ALL);
         for (Entry<String, Ref> entry : allRefs.entrySet()) {
+          String refName = entry.getKey();
+          if (!refName.startsWith("refs/heads") && !refName.startsWith("refs/tags")) {
+            continue;
+          }
           RevCommit tip;
           try {
             tip = rw.parseCommit(entry.getValue().getObjectId());