diff --git a/core/src/core/classes/class.AJXP_Cache.php b/core/src/core/classes/class.AJXP_Cache.php
index 720f829dc8..cf59ce01fd 100644
--- a/core/src/core/classes/class.AJXP_Cache.php
+++ b/core/src/core/classes/class.AJXP_Cache.php
@@ -73,7 +73,6 @@ public static function simpleCopy($master, $target)
     public static function clearItem($pluginId, $filepath)
     {
         $inst = new AJXP_Cache($pluginId,$filepath, false);
-        AJXP_Logger::debug("SHOULD REMOVE ".$inst->getId());
         if (file_exists($inst->getId())) {
             @unlink($inst->getId());
         }
@@ -105,13 +104,12 @@ public function AJXP_Cache($pluginId, $filepath, $dataCallback, $idComputerCallb
     public function getData()
     {
         if (!$this->hasCachedVersion()) {
-            AJXP_Logger::debug("caching data", $this->dataCallback);
             $result = call_user_func($this->dataCallback, $this->masterFile, $this->cacheId);
             if ($result !== false) {
                 $this->touch();
             }
         } else {
-            AJXP_Logger::debug("getting from cache");
+
         }
         return file_get_contents($this->cacheId);
     }
diff --git a/core/src/core/classes/class.AJXP_Controller.php b/core/src/core/classes/class.AJXP_Controller.php
index 3cd2ff4ccd..9c09ad6589 100644
--- a/core/src/core/classes/class.AJXP_Controller.php
+++ b/core/src/core/classes/class.AJXP_Controller.php
@@ -449,7 +449,8 @@ private static function appliesCondition($callback, $actionName, $httpVars, $fil
      * @param Array $httpVars
      * @param Array $fileVars
      * @param null $variableArgs
-     * @throw AJXP_Exception
+     * @param bool $defer
+     * @throws AJXP_Exception* @throw AJXP_Exception
      * @return void
      */
     private static function applyCallback($xPath, $callback, &$actionName, &$httpVars, &$fileVars, &$variableArgs = null, $defer = false)
@@ -480,14 +481,14 @@ private static function applyCallback($xPath, $callback, &$actionName, &$httpVar
      * @static
      * @param string $hookName
      * @param array $args
-     * @return
+     * @param bool $forceNonDefer
+     * @return void
      */
     public static function applyHook($hookName, $args, $forceNonDefer = false)
     {
         $xPath = self::initXPath();
         $callbacks = $xPath->query("hooks/serverCallback[@hookName='$hookName']");
         if(!$callbacks->length) return ;
-        $callback = new DOMNode();
         foreach ($callbacks as $callback) {
             if ($callback->getAttribute("applyCondition")!="") {
                 $apply = false;
@@ -506,7 +507,7 @@ public static function applyHook($hookName, $args, $forceNonDefer = false)
      * @static
      * @param $hookName
      * @param $args
-     * @return
+     * @return void
      */
     public static function applyIncludeHook($hookName, &$args)
     {
diff --git a/core/src/core/classes/class.AJXP_Node.php b/core/src/core/classes/class.AJXP_Node.php
index faf9295747..a061f8cb66 100644
--- a/core/src/core/classes/class.AJXP_Node.php
+++ b/core/src/core/classes/class.AJXP_Node.php
@@ -209,6 +209,50 @@ public function retrieveMetadata($nameSpace, $private = false, $scope=AJXP_METAD
     }
 
 
+    /**
+     * @return AJXP_Node|null
+     */
+    public function getParent(){
+
+        if(empty($this->urlParts["path"]) || $this->urlParts["path"] == "/"){
+            return null;
+        }
+        $parent = new AJXP_Node(dirname($this->_url));
+        $parent->setDriver($this->_accessDriver);
+        return $parent;
+
+    }
+
+    public function findMetadataInParent($nameSpace, $private = false, $scope=AJXP_METADATA_SCOPE_REPOSITORY, $indexable = false){
+
+        $metadata = false;
+        $parentNode = $this->getParent();
+        if($parentNode != null){
+            $metadata = $parentNode->retrieveMetadata($nameSpace, $private, $scope,$indexable);
+            if($metadata == false){
+                $metadata = $parentNode->findMetadataInParent($nameSpace, $private, $scope, $indexable);
+            }else{
+                $metadata["SOURCE_NODE"] = $parentNode;
+            }
+        }
+        return $metadata;
+
+    }
+
+    public function collectMetadataInParents($nameSpace, $private = false, $scope=AJXP_METADATA_SCOPE_REPOSITORY, $indexable = false, &$collect=array()){
+
+        $parentNode = $this->getParent();
+        if($parentNode != null){
+            $metadata = $parentNode->retrieveMetadata($nameSpace, $private, $scope,$indexable);
+            if($metadata != false){
+                $metadata["SOURCE_NODE"] = $parentNode;
+                $collect[] = $metadata;
+            }
+            $parentNode->collectMetadataInParents($nameSpace, $private, $scope, $indexable, $collect);
+        }
+
+    }
+
     /**
      * @param bool $boolean Leaf or Collection?
      * @return void
diff --git a/core/src/core/classes/class.AJXP_PluginsService.php b/core/src/core/classes/class.AJXP_PluginsService.php
index a13dd51142..65661351ba 100644
--- a/core/src/core/classes/class.AJXP_PluginsService.php
+++ b/core/src/core/classes/class.AJXP_PluginsService.php
@@ -464,6 +464,19 @@ public function setPluginActiveInst($type, $name, $active=true, $updateInstance
             $this->buildXmlRegistry(($this->registryVersion == "extended"));
         }
     }
+
+    public static function deferBuildingRegistry(){
+        self::getInstance()->tmpDeferRegistryBuild = true;
+    }
+
+    public static function flushDeferredRegistryBuilding(){
+        $t = self::getInstance();
+        $t->tmpDeferRegistryBuild = false;
+        if (isSet($t->xmlRegistry)) {
+            $t->buildXmlRegistry(($t->registryVersion == "extended"));
+        }
+    }
+
     /**
      * Some type require only one active plugin at a time
      * @param $type
@@ -474,11 +487,12 @@ public function setPluginActiveInst($type, $name, $active=true, $updateInstance
     public function setPluginUniqueActiveForType($type, $name, $updateInstance = null)
     {
         $typePlugs = $this->getPluginsByType($type);
+        $originalValue = $this->tmpDeferRegistryBuild;
         $this->tmpDeferRegistryBuild = true;
         foreach ($typePlugs as $plugName => $plugObject) {
             $this->setPluginActiveInst($type, $plugName, false);
         }
-        $this->tmpDeferRegistryBuild = false;
+        $this->tmpDeferRegistryBuild = $originalValue;
         $this->setPluginActiveInst($type, $name, true, $updateInstance);
     }
     /**
diff --git a/core/src/core/classes/class.ConfService.php b/core/src/core/classes/class.ConfService.php
index 79743041b0..ec3de20508 100644
--- a/core/src/core/classes/class.ConfService.php
+++ b/core/src/core/classes/class.ConfService.php
@@ -1195,7 +1195,12 @@ public function loadRepositoryDriverREST(&$repository)
         }
         $accessType = $repository->getAccessType();
         $pServ = AJXP_PluginsService::getInstance();
-        $plugInstance = $pServ->getPluginByTypeName("access", $accessType);
+        $plugInstanceOrig = $pServ->getPluginByTypeName("access", $accessType);
+        if(!empty($plugInstanceOrig->repository) && $plugInstanceOrig->repository != $repository){
+            $plugInstance = clone $plugInstanceOrig;
+        }else{
+            return $plugInstanceOrig;
+        }
 
         // TRIGGER BEFORE INIT META
         $metaSources = $repository->getOption("META_SOURCES");
@@ -1227,6 +1232,7 @@ public function loadRepositoryDriverREST(&$repository)
         } catch (Exception $e) {
             throw $e;
         }
+        AJXP_PluginsService::deferBuildingRegistry();
         $pServ->setPluginUniqueActiveForType("access", $accessType);
 
         // TRIGGER INIT META
@@ -1251,6 +1257,7 @@ public function loadRepositoryDriverREST(&$repository)
                 $pServ->setPluginActive($split[0], $split[1]);
             }
         }
+        AJXP_PluginsService::flushDeferredRegistryBuilding();
         if (count($this->errors)>0) {
             $e = new AJXP_Exception("Error while loading repository feature : ".implode(",",$this->errors));
             throw $e;
diff --git a/core/src/plugins/action.share/class.ShareCenter.php b/core/src/plugins/action.share/class.ShareCenter.php
index b7dd3defec..bc546e03ea 100644
--- a/core/src/plugins/action.share/class.ShareCenter.php
+++ b/core/src/plugins/action.share/class.ShareCenter.php
@@ -539,6 +539,126 @@ public static function isShared($ajxpNode)
         return false;
     }
 
+    /**
+     * @param AJXP_Node $node
+     * @param String|null $direction "UP", "DOWN"
+     * @return array()
+     */
+    private function findMirrorNodesInShares($node, $direction){
+        $result = array();
+        if($direction !== "UP"){
+            $upmetas = array();
+            $node->collectMetadataInParents("ajxp_shared", true, AJXP_METADATA_SCOPE_REPOSITORY, false, $upmetas);
+            foreach($upmetas as $metadata){
+                if (is_array($metadata) && !empty($metadata["element"])) {
+                    if(is_string($metadata["element"])){
+                        $wsId = $metadata["element"];
+                        if(isSet($metadata["minisite"])){
+                            $minisiteData = self::loadPublicletData($metadata["element"]);
+                            $wsId = $minisiteData["REPOSITORY"];
+                        }
+                        $sharedNode = $metadata["SOURCE_NODE"];
+                        $sharedPath = substr($node->getPath(), strlen($sharedNode->getPath()));
+                        $sharedNodeUrl = $node->getScheme() . "://".$wsId.$sharedPath;
+                        $result[$wsId] = array(new AJXP_Node($sharedNodeUrl), "DOWN");
+                    }
+                }
+            }
+        }
+        if($direction !== "DOWN"){
+            if($node->getRepository()->hasParent()){
+                $parentRepoId = $node->getRepository()->getParentId();
+                $currentRoot = $node->getRepository()->getOption("PATH");
+                $parentRoot = ConfService::getRepositoryById($parentRepoId)->getOption("PATH");
+                $relative = substr($currentRoot, strlen($parentRoot));
+                $parentNodeURL = $node->getScheme()."://".$parentRepoId.$relative.$node->getPath();
+                $this->logDebug("action.share", "Should trigger on ".$parentNodeURL);
+                $result[$parentRepoId] = array(new AJXP_Node($parentNodeURL), "UP");
+            }
+        }
+        return $result;
+    }
+
+    private function applyForwardEvent($fromMirrors = null, $toMirrors = null, $copy = false, $direction = null){
+        if($fromMirrors === null){
+            // Create
+            foreach($toMirrors as $mirror){
+                list($node, $direction) = $mirror;
+                AJXP_Controller::applyHook("node.change", array(null, $node, false, $direction), true);
+            }
+        }else if($toMirrors === null){
+            foreach($fromMirrors as $mirror){
+                list($node, $direction) = $mirror;
+                AJXP_Controller::applyHook("node.change", array($node, null, false, $direction), true);
+            }
+        }else{
+            foreach($fromMirrors as $repoId => $mirror){
+                list($fNode, $fDirection) = $mirror;
+                if(isSet($toMirrors[$repoId])){
+                    list($tNode, $tDirection) = $toMirrors[$repoId];
+                    unset($toMirrors[$repoId]);
+                    AJXP_Controller::applyHook("node.change", array($fNode, $tNode, $copy, $fDirection), true);
+                }else{
+                    AJXP_Controller::applyHook("node.change", array($fNode, null, $copy, $fDirection), true);
+                }
+            }
+            foreach($toMirrors as $mirror){
+                list($tNode, $tDirection) = $mirror;
+                AJXP_Controller::applyHook("node.change", array(null, $tNode, $copy, $tDirection), true);
+            }
+        }
+
+    }
+
+    /**
+     * @param AJXP_Node $fromNode
+     * @param AJXP_Node $toNode
+     * @param bool $copy
+     * @param String $direction
+     */
+    public function forwardEventToShares($fromNode=null, $toNode=null, $copy = false, $direction=null){
+
+        if(empty($direction) && $this->getFilteredOption("FORK_EVENT_FORWARDING")){
+            AJXP_Controller::applyActionInBackground(
+                ConfService::getRepository()->getId(),
+                "forward_change_event",
+                array(
+                    "from" => $fromNode === null ? "" : $fromNode->getUrl(),
+                    "to" =>   $toNode === null ? "" : $toNode->getUrl(),
+                    "copy" => $copy ? "true" : "false",
+                    "direction" => $direction
+                ));
+            return;
+        }
+
+        $fromMirrors = null;
+        $toMirrors = null;
+        if($fromNode != null){
+            $fromMirrors = $this->findMirrorNodesInShares($fromNode, $direction);
+        }
+        if($toNode != null){
+            $toMirrors = $this->findMirrorNodesInShares($toNode, $direction);
+        }
+
+        $this->applyForwardEvent($fromMirrors, $toMirrors, $copy, $direction);
+
+    }
+
+    public function forwardEventToSharesAction($actionName, $httpVars, $fileVars){
+
+        $fromMirrors = null;
+        $toMirrors = null;
+        if(!empty($httpVars["from"])){
+            $fromMirrors = $this->findMirrorNodesInShares(new AJXP_Node($httpVars["from"]), $httpVars["direction"]);
+        }
+        if(!empty($httpVars["to"])){
+            $toMirrors = $this->findMirrorNodesInShares(new AJXP_Node($httpVars["to"]), $httpVars["direction"]);
+        }
+        $this->applyForwardEvent($fromMirrors, $toMirrors, ($httpVars["copy"] === "true"), $httpVars["direction"]);
+
+    }
+
+
     /**
      *
      * Hooked to node.change, this will update the index
diff --git a/core/src/plugins/action.share/manifest.xml b/core/src/plugins/action.share/manifest.xml
index 0a9e871499..abbb17d83e 100644
--- a/core/src/plugins/action.share/manifest.xml
+++ b/core/src/plugins/action.share/manifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ajxp_plugin name="share" label="CONF_MESSAGE[Sharing Features]" description="CONF_MESSAGE[Share Center actions and hooks]"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="file:../core.ajaxplorer/ajxp_registry.xsd">
     <server_settings>
+        <global_param name="FORK_EVENT_FORWARDING" type="boolean" label="Fork Events Forwarding" description="If you detect performances issues while modifiyng files under deep trees, try activating that one. Please be sure of what you do, this may trigger a whole lot of php processes on the server." default="false"/>
         <global_param name="USE_REWRITE_RULE" group="CONF_MESSAGE[Link Generation]" description="CONF_MESSAGE[Use web server RewriteEngine mechanism to generate prettier URLs]" label="CONF_MESSAGE[Use Rewrite Rule]" type="boolean" default="false"/>
         <global_param name="HASH_MIN_LENGTH" group="CONF_MESSAGE[Link Generation]" description="CONF_MESSAGE[Minimum length of the generated hash]" label="CONF_MESSAGE[Hash minimum length]" type="integer" default="6"/>
         <global_param name="FILE_MAX_EXPIRATION" group="CONF_MESSAGE[Link Generation]" description="CONF_MESSAGE[Maximum share expiration limit for file, 0 = unlimited]" label="CONF_MESSAGE[Maximum file expiration limit]" type="integer" default="0" expose="true"/>
@@ -9,13 +10,7 @@
         <global_param name="CREATE_QRCODE" group="CONF_MESSAGE[Link Generation]" description="CONF_MESSAGE[Create and display QRCode for shared link]" label="CONF_MESSAGE[Create QRCode]" type="boolean" default="true" expose="true"/>
         <global_param name="ENABLE_FOLDER_SHARING" group="CONF_MESSAGE[Folder Sharing]" description="CONF_MESSAGE[Enable folder sharing (workspace and minisite)]" label="CONF_MESSAGE[Enable folder sharing]" type="boolean" default="true" expose="true"/>
         <global_param name="AVOID_SHARED_FOLDER_SAME_LABEL" group="CONF_MESSAGE[Folder Sharing]" description="CONF_MESSAGE[Disallow users to create shared folders if a workspace already exists with the same label]" label="CONF_MESSAGE[Avoid labels duplication]" type="boolean" default="false"/>
-        <!--
-        <global_param name="SHARED_USERS_LIST_MINIMUM" group="CONF_MESSAGE[Shared users configurations]" description="CONF_MESSAGE[Minimum number of characters to start getting results by auto-completion when sharing a folder with other users]" label="CONF_MESSAGE[Autocomplete minimum chars]" type="integer" default="2" expose="true"/>
-        <global_param name="SHARED_USERS_LIST_LIMIT" group="CONF_MESSAGE[Shared users configurations]" description="CONF_MESSAGE[Limit the number of results returned by the auto-completion feature when sharing a folder with other users]" label="CONF_MESSAGE[Autocompletion results limit]" type="integer" default="50" expose="true"/>
-        -->
         <global_param name="SHARED_USERS_TMP_PREFIX" group="CONF_MESSAGE[Shared users configurations]" description="CONF_MESSAGE[Mandatory prefix for users created temporary users login]" label="CONF_MESSAGE[Tmp users prefix]" type="string" expose="true"/>
-        <global_param name="METADATA_FILE" group="CONF_MESSAGE[Metadata Files]" type="string" label="CONF_MESSAGE[Metadata File]" description="CONF_MESSAGE[Hidden file containing shared metadata]" mandatory="true" default=".ajxp_share_meta"/>
-        <global_param name="METADATA_FILE_LOCATION" group="CONF_MESSAGE[Metadata Files]" type="select" choices="infolders|In Local Folders,global|In Global Folder" label="CONF_MESSAGE[File location]" description="CONF_MESSAGE[Where to store the metadata file : LOCAL means a hidden file will be created in each folder, GLOBAL means that one file will be created in AJXP_DATA_PATH/plugins/action.share folder.]" mandatory="true" default="infolders"/>
         <global_param name="CUSTOM_SHAREPAGE_TITLE" group="CONF_MESSAGE[Weblink Page]" type="string" label="CONF_MESSAGE[Page Title]" description="CONF_MESSAGE[Share page title. Use AJXP_FILENAME keyword to display the file name.]" mandatory="false" default=""/>
         <global_param name="CUSTOM_SHAREPAGE_LEGEND" group="CONF_MESSAGE[Weblink Page]" type="string" label="CONF_MESSAGE[Download text]" description="CONF_MESSAGE[Text displayed below the download button. Use AJXP_FILENAME keyword to display the file name, and PYDIO_APP_TITLE for the application title.]" mandatory="false" default=""/>
         <global_param name="CUSTOM_SHAREPAGE_LEGEND_PASS" group="CONF_MESSAGE[Weblink Page]" type="string" label="CONF_MESSAGE[Download text w/ Pass]" description="CONF_MESSAGE[Text displayed below the download button when a password is mandatory. Use AJXP_FILENAME keyword to display the file name, and PYDIO_APP_TITLE for the application title.]" mandatory="false" default=""/>
@@ -479,6 +474,11 @@
                     </serverCallback>
                 </processing>
             </action>
+            <action name="forward_change_event">
+                <processing>
+                    <serverCallback methodName="forwardEventToSharesAction"/>
+                </processing>
+            </action>
         </actions>
         <client_configs>
             <component_config className="InfoPanel">
@@ -513,6 +513,9 @@
                 ]]></additional_tab>
             </component_config>
         </client_configs>
+        <hooks>
+            <serverCallback methodName="forwardEventToShares" hookName="node.change" defer="true"/>
+        </hooks>
     </registry_contributions>
     <class_definition filename="plugins/action.share/class.ShareCenter.php" classname="ShareCenter"/>
     <dependencies>
diff --git a/core/src/plugins/index.lucene/class.AjxpLuceneIndexer.php b/core/src/plugins/index.lucene/class.AjxpLuceneIndexer.php
index 7dc91b1eb4..1d6da06288 100644
--- a/core/src/plugins/index.lucene/class.AjxpLuceneIndexer.php
+++ b/core/src/plugins/index.lucene/class.AjxpLuceneIndexer.php
@@ -374,7 +374,7 @@ public function updateNodeIndexMeta($node)
         if (isSet($this->currentIndex)) {
             $index = $this->currentIndex;
         } else {
-            $index =  $this->loadIndex(ConfService::getRepository()->getId());
+            $index =  $this->loadIndex($node->getRepositoryId());
         }
         Zend_Search_Lucene_Analysis_Analyzer::setDefault( new Zend_Search_Lucene_Analysis_Analyzer_Common_TextNum_CaseInsensitive());
 
@@ -412,7 +412,11 @@ public function updateNodeIndex($oldNode, $newNode = null, $copy = false)
         if (isSet($this->currentIndex)) {
             $index = $this->currentIndex;
         } else {
-               $index =  $this->loadIndex(ConfService::getRepository()->getId());
+            if($oldNode == null){
+                $index =  $this->loadIndex($newNode->getRepositoryId());
+            }else{
+                $index = $this->loadIndex($oldNode->getRepositoryId());
+            }
         }
         $this->setDefaultAnalyzer();
         if ($oldNode != null && $copy == false) {