diff --git a/code/scripts/main/api/v1/api.py b/code/scripts/main/api/v1/api.py
index 48708f5..6646fac 100644
--- a/code/scripts/main/api/v1/api.py
+++ b/code/scripts/main/api/v1/api.py
@@ -31,6 +31,46 @@ class Auth:
         return
 
 
+
+""" CLASS MONGO CACHE """
+
+
+class General_Search:
+    def GET(self, id):
+        return core.generalsearch('{ "_id": {0}}'.format(id))
+
+
+class QueryCache_Infra:
+    def GET(self, dest, date, cluster=None, node=None, vmid=None):
+        try:
+            result = core.generalquerycacheinfra(dest, date, cluster, node, vmid)
+        except BaseException as e:
+            result = {
+                "result": "ERROR",
+                "type": "PYTHON - API",
+                "value": "{0} {1}".format("Invalid request:", e)
+            }
+        return result
+
+
+
+
+class Static_Nodes:
+    def GET(self, date, cluster=None, node=None):
+        if node and cluster:
+            return core.generalsearch('{ "date": {0}, "cluster": {1},  "node": {2} }'.format(date, cluster, node))
+        elif cluster:
+            return core.generalsearch('{ "date": {0}, "cluster": {1} }'.format(date, cluster))
+        else:
+            return core.generalsearch('{ "date": {0}}'.format(date))
+
+
+class Dates:
+    def GET(self):
+        return core.generalsearch('{ "_id": {id} }'.format(id=nodeid))
+
+
+""" CLASS DIRECT """
 class Cluster:
     def GET(self, cluster=None):
         try:
@@ -83,7 +123,7 @@ class Cluster:
 
 
 class Instance:
-    def GET(self, vmid=None, status=None):
+    def GET(self, vmid, status=None):
         try:
             if status:
                 """ GET INSTANCE STATUS """
@@ -117,11 +157,14 @@ class Instance:
                 sorted_nodes = dict(select.set_attribution(count))
 
                 """ START ALL Thread """
-                for target, count in sorted_nodes.items():
+                for nodeid, count in sorted_nodes.items():
+                    """ Find information by id mongodb"""
+                    realnode = core.generalsearch('{ "_id": {id} }'.format(id=nodeid))
+
                     # Limit to 5 instance per block
                     thci = threading.Thread(name="Insert Instance",
                                        target=core.insert_instance,
-                                       args=(target, str(count), command_id,))
+                                       args=(realnode["name"], cluster["cluster"], str(count), command_id,))
 
                     thci.start()
 
diff --git a/code/scripts/main/core/core.py b/code/scripts/main/core/core.py
index 9ac9c1f..d297994 100644
--- a/code/scripts/main/core/core.py
+++ b/code/scripts/main/core/core.py
@@ -20,7 +20,7 @@ import base64
 
 
 def RunAnalyse(clusters_conf, generalconf, delay=300):
-    play = Crawler(clusters_conf, generalconf)
+    play = Analyse(clusters_conf, generalconf)
 
 
     while True:
@@ -59,17 +59,49 @@ class Core:
                                    args=(self.clusters_conf, self.generalconf))
             thc.start()
 
+
+    """
+    #######################
+    #  GENERAL FUNCTIONS  #
+    #######################
+    """
+
+    def is_json(myjson):
+        try:
+            json_object = json.loads(myjson)
+        except ValueError, e:
+            return False
+        return True
+
+    def generalsearch(self, data):
+        if is_json(data):
+            return self.mongo.generalmongosearch(data)
+        else:
+            return json_decode({"value": "Bad request"})
+
+    def generalquerycacheinfra(self, dest, date, cluster, node, vmid):
+        if dest == "instances":
+            return self.mongo.get_instance(date, cluster, node, vmid)
+        elif dest == "nodes":
+            return self.mongo.get_nodes_informations(date, cluster, node)
+        elif dest == "clusters":
+            return self.mongo.get_clusters_conf(date, cluster)
+        else:
+            json_decode({"value": "Bad request"})
+
+
+
     """ 
     #######################
     # INSTANCE MANAGEMENT #
     #######################
     """
-    def insert_instance(self, target, count=1, command_id=000000,  instancetype="lxc"):
+    def insert_instance(self, node, cluster, count=1, command_id=000000,  instancetype="lxc"):
 
         """ Find cluster informations from node """
         lastkeyvalid = self.mongo.get_last_datekey()
-        node_informations = self.mongo.get_nodes_informations((int(lastkeyvalid["value"])), target)
-        cluster_informations = self.mongo.get_clusters_conf(node_informations["cluster"])["value"]
+        node_informations = self.mongo.get_nodes_informations((int(lastkeyvalid["value"])), node, cluster)
+        cluster_informations = self.mongo.get_clusters_conf(cluster)["value"]
 
         proxmox_cluster_url = cluster_informations["url"]
         proxmox_cluster_port = cluster_informations["port"]
@@ -83,7 +115,7 @@ class Core:
         proxmox_storage_disk = cluster_informations["storage_disk"]
 
         """ LOAD PROXMOX """
-        proxmox = Proxmox(target)
+        proxmox = Proxmox(node)
 
         proxmox.get_ticket("{0}:{1}".format(proxmox_cluster_url,
                                                  int(proxmox_cluster_port)),
@@ -139,12 +171,12 @@ class Core:
 
             """ INSTANCE INSERTION """
             result_new = proxmox.create_instance("{0}:{1}".format(proxmox_cluster_url,
-                                                     int(proxmox_cluster_port)), target, instancetype,
+                                                     int(proxmox_cluster_port)), node, instancetype,
                                                     data)
             """ Get first digest """
             digest_init = proxmox.get_config("{0}:{1}".format(proxmox_cluster_url,
                                                          int(proxmox_cluster_port)),
-                                        target, instancetype, next_instance_id)['value']['data']['digest']
+                                             node, instancetype, next_instance_id)['value']['data']['digest']
 
 
             """ VERIFY THE RESULT BY PROXMOX STATUS REQUEST CODE """
@@ -164,7 +196,7 @@ class Core:
                 """ Limit creation DDOS based on digest """
                 while digest_init == proxmox.get_config("{0}:{1}".format(proxmox_cluster_url,
                                                     int(proxmox_cluster_port)),
-                                   target, instancetype, next_instance_id)['value']['data']['digest']:
+                                                    node, instancetype, next_instance_id)['value']['data']['digest']:
                     time.sleep(5)
 
             returnlistresult.append(result_new)
@@ -374,6 +406,20 @@ class Core:
         return cluster_delete
 
 
+    """ 
+    #######################
+    # STORAGES MANAGEMENT #
+    #######################
+    """
+
+    """ 
+    #######################
+    #  NODES  MANAGEMENT  #
+    #######################
+    """
+
+
+
 def valid_cluster_data(data):
     key_required = ["name", "url", "port", "user", "password", "template", "storage_disk", "weight", "exclude_nodes"]
     result = []
diff --git a/code/scripts/main/core/modules/mod_access.py b/code/scripts/main/core/modules/mod_access.py
index 78c825a..ddf8c65 100644
--- a/code/scripts/main/core/modules/mod_access.py
+++ b/code/scripts/main/core/modules/mod_access.py
@@ -9,6 +9,7 @@ import os
 from Crypto.PublicKey import RSA
 import hashlib
 
+
 def encodepassphrase(passphrase):
     return hashlib.sha512(passphrase.encode("UTF-8")).hexdigest()
 
@@ -124,5 +125,4 @@ class CryticalData:
                 "type": "PYTHON",
                 "error": "Data decryption failed: {0}".format(e)
             }
-        return result_decryption
-
+        return result_decryption
\ No newline at end of file
diff --git a/code/scripts/main/core/modules/mod_analyst.py b/code/scripts/main/core/modules/mod_analyst.py
index 59e3c52..d14b0ce 100644
--- a/code/scripts/main/core/modules/mod_analyst.py
+++ b/code/scripts/main/core/modules/mod_analyst.py
@@ -16,6 +16,7 @@ import operator
 import random
 import base64
 
+
 def add_token(tokens_in_slots, slot_distributions):
     num_tokens = sum(tokens_in_slots)
     if not num_tokens:
@@ -74,44 +75,68 @@ class Analyse:
             nodes_list = proxmox.get_nodes("{0}:{1}".format(cluster["url"], int(cluster["port"])))
             if nodes_list["result"] == "OK":
                 for value_nodes_list in nodes_list["value"]["data"]:
-                    if value_nodes_list["node"] not in exclude_nodes:
-                        """ TOTAL COUNT CPU and RAM allocate"""
-                        if (instancetype == "all"):
-                            types = ["lxc", "qemu"]  # vz...
-                            for type in types:
-                                list_instances.update(
-                                    proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
-                                                         value_nodes_list["node"], type)["value"])
-                        else:
-                            list_instances = \
-                            proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
-                                                 value_nodes_list["node"], instancetype)["value"]
+                    # if value_nodes_list["node"] not in exclude_nodes:
+                    """ TOTAL COUNT CPU and RAM allocate """
+                    if (instancetype == "all"):
+                        types = ["lxc", "qemu"]  # vz...
+                        for type in types:
+                            list_instances.update(
+                                proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
+                                                     value_nodes_list["node"], type)["value"])
+                    else:
+                        list_instances = \
+                        proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
+                                             value_nodes_list["node"], instancetype)["value"]
 
-                        totalcpu = 0
-                        totalram = 0
-                        for key_list_instances, value_list_instances in list_instances.items():
-                            for instances in value_list_instances:
-                                totalcpu = totalcpu + instances["cpus"]
-                                totalram = totalram + instances["maxmem"]
+                    totalcpu = 0
+                    totalram = 0
+                    for key_list_instances, value_list_instances in list_instances.items():
+                        for instances in value_list_instances:
+                            """ Update cpu and ram for node """
+                            totalcpu = totalcpu + instances["cpus"]
+                            totalram = totalram + instances["maxmem"]
 
-                        value_nodes_list["totalalloccpu"] = totalcpu
-                        value_nodes_list["totalallocram"] = totalram
-                        value_nodes_list["vmcount"] = len(list_instances.items())
+                            """ Update instance list """
+                            instance["cluster"] = cluster["name"]
+                            instance["node"] = value_nodes_list["node"]
+                            instance["date"] = int(insert_time)
+                            self.mongo.insert_instance(instance)
+                            """
+                            # Test si l'instance existe
+                            if not self.mongo.get_instance(instance["vmid"], instance["node"], instance["cluster"]):
+                                # si non existante, alors il s'agit d'une instance manuelle
+                                instance["commandid"] = "000000"
+                                self.mongo.insert_instance(instance)
+                                
+                            # Si elle existe deja, on l'update:
+                            else:
+                                self.mongo.update_instance(instance, instance["vmid"], instance["node"], instance["cluster"])
+                            """
 
-                        percent_cpu_alloc = (totalcpu / value_nodes_list["maxcpu"]) * 100
-                        percent_ram_alloc = (totalram / value_nodes_list["mem"]) * 100
+                    value_nodes_list["totalalloccpu"] = totalcpu
+                    value_nodes_list["totalallocram"] = totalram
+                    value_nodes_list["vmcount"] = len(list_instances.items())
 
-                        """
-                        weight of node =
-                        (((Percent Alloc CPU x coef) + ( Percent Alloc RAM x coef)) / Total coef ) * Cluster weight
-                        """
-                        weight = (((percent_cpu_alloc * 2) + (percent_ram_alloc * 4)) / 6) * int(cluster["weight"])
+                    percent_cpu_alloc = (totalcpu / value_nodes_list["maxcpu"]) * 100
+                    percent_ram_alloc = (totalram / value_nodes_list["mem"]) * 100
 
-                        value_nodes_list["weight"] = int(weight)
-                        value_nodes_list["date"] = int(insert_time)
-                        value_nodes_list["cluster"] = cluster["name"]
+                    """
+                    weight of node =
+                    (((Percent Alloc CPU x coef) + ( Percent Alloc RAM x coef)) / Total coef ) * Cluster weight
+                    """
+                    weight = (((percent_cpu_alloc * 2) + (percent_ram_alloc * 4)) / 6) * int(cluster["weight"])
 
-                        self.mongo.insert_node(value_nodes_list)
+                    value_nodes_list["weight"] = int(weight)
+                    value_nodes_list["date"] = int(insert_time)
+                    value_nodes_list["cluster"] = cluster["name"]
+
+                    """ Mark the node as an grata or not grata """
+                    if value_nodes_list["node"] in exclude_nodes:
+                        value_nodes_list["grata"] = 0
+                    else:
+                        value_nodes_list["grata"] = 1
+
+                    self.mongo.insert_node(value_nodes_list)
 
             else:
                 print(nodes_list)
@@ -124,14 +149,14 @@ class Analyse:
         # Search the last valid key
         lastkeyvalid = self.mongo.get_last_datekey()
 
-        # Get nodes weight
-        nodes_availables = self.mongo.get_nodes_informations(int(lastkeyvalid["value"]))
+        # Get nodes weight with good grata !!
+        nodes_availables = self.mongo.get_nodes(int(lastkeyvalid["value"]), None, 1)
 
         if len(nodes_availables) > 1:
             # Select node name with weight
             nodes_values = {}
             for nodes in nodes_availables:
-                nodes_values[nodes["node"]] = nodes["weight"]
+                nodes_values[nodes["_id"]] = nodes["weight"]
 
             # Sort node by weight
             sorted_nodes = sorted(nodes_values.items(), key=operator.itemgetter(1))
@@ -159,6 +184,6 @@ class Analyse:
             final = {k: int(v) for k, v in zip(sorted_nodes_name, distrib_final)}
 
         else:
-            final = {nodes_availables[0]['node']: count}
+            final = {nodes_availables[0]['_id']: count}
 
         return final
diff --git a/code/scripts/main/core/modules/mod_crawler.py b/code/scripts/main/core/modules/mod_crawler.py
deleted file mode 100644
index 98f7513..0000000
--- a/code/scripts/main/core/modules/mod_crawler.py
+++ /dev/null
@@ -1,76 +0,0 @@
-"""
-Author: Tlams
-Langage: Python
-Minimum version require: 3.4
-
-Module function:
-Crawl all node to update the database statistics
-"""
-
-from core.modules.mod_proxmox import *
-from core.modules.mod_database import *
-from core.libs.hcrypt import *
-import time
-import base64
-
-
-class Crawler:
-    def __init__(self, clusters_conf, generalconf):
-        """
-        :param clusters_conf: Proxmox configurations
-        :param generalconf : General configuration
-        """
-        self.generalconf = generalconf
-        self.clusters_conf = clusters_conf
-
-        """ LOAD MONGODB """
-        self.mongo = MongoDB(generalconf["mongodb"]["ip"])
-        self.mongo.client = self.mongo.connect()
-        self.mongo.db = self.mongo.client.db
-
-    """ Instances types availables: lxc/qemu/all"""
-    def run(self, instancetype="lxc"):
-        insert_time = time.time()
-
-        self.mongo.insert_datekey(insert_time, 'running')
-
-        for cluster in self.clusters_conf:
-            """ Decode data """
-
-            proxmox_cluster_user = pdecrypt(base64.b64decode(cluster["user"]),
-                            self.generalconf["keys"]["key_pvt"])["data"].decode('utf-8')
-
-            proxmox_cluster_pwd = pdecrypt(base64.b64decode(cluster["password"]),
-                                self.generalconf["keys"]["key_pvt"])["data"].decode('utf-8')
-
-            """ AUTH """
-            proxmox = Proxmox("Analyse")
-            proxmox.get_ticket("{0}:{1}".format(cluster["url"], int(cluster["port"])), proxmox_cluster_user, proxmox_cluster_pwd)
-
-            """ UPDATE NODES LIST """
-            nodes_list = proxmox.get_nodes("{0}:{1}".format(cluster["url"], int(cluster["port"])))
-            if nodes_list["result"] == "OK":
-                for value_nodes_list in nodes_list["value"]["data"]:
-                    list_instances = ""
-                    """ TOTAL COUNT CPU and RAM allocate"""
-                    if(instancetype == "all"):
-                        types = ["lxc", "qemu"] # vz...
-                        for type in types:
-                            list_instances.update(proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
-                                                 value_nodes_list["node"], type)["value"])
-                    else:
-                        list_instances = proxmox.get_instance("{0}:{1}".format(cluster["url"], int(cluster["port"])),
-                                                              value_nodes_list["node"], instancetype)["value"]
-
-                    for key_list_instances, value_list_instances in list_instances.items():
-                        for instance in value_list_instances:
-                            instance["cluster"] = cluster["name"]
-                            instance["node"] = value_nodes_list["node"]
-                            # Test si l'instance existe
-                            if not self.mongo.get_instance(instance["vmid"], instance["node"], instance["cluster"]):
-                                # si non existante, alors il s'agit d'une instance manuelle
-                                instance["commandid"] = "000000"
-                                self.mongo.insert_instance(instance)
-                            # Si elle existe deja, on l'update:
-                            else:
-                                self.mongo.update_instance(instance, instance["vmid"], instance["node"], instance["cluster"])
\ No newline at end of file
diff --git a/code/scripts/main/core/modules/mod_database.py b/code/scripts/main/core/modules/mod_database.py
index 60d9b12..604cf9a 100644
--- a/code/scripts/main/core/modules/mod_database.py
+++ b/code/scripts/main/core/modules/mod_database.py
@@ -108,6 +108,8 @@ class MongoDB:
         except (TypeError, ValueError) as e:
             raise("MongoDB authentification error on {0}:{1} ({2})".format(self.server, self.port, e))
 
+
+
     """ CLUSTER """
     def get_clusters_conf(self, cluster=None):
         try:
@@ -186,15 +188,7 @@ class MongoDB:
     def update_system_delete_ip(self, value):
         self.db[self.collection_system].update({'_id': "0"}, {'$pull': {'IP_free': value}}, upsert=False)
 
-    """ NODES MANAGEMENT"""
-    def insert_node(self, data):
-        return self.db[self.collection_nodes].insert(data)
 
-    def get_nodes_informations(self, time, node=None):
-        if node:
-            return json.loads(dumps(self.db[self.collection_nodes].find_one({'$and': [{'node': node, 'date': time}]})))
-        else:
-            return json.loads(dumps(self.db[self.collection_nodes].find({'date': time})))
 
     """ KEY DATE MANAGEMENT"""
     def insert_datekey(self, date, status):
@@ -207,10 +201,44 @@ class MongoDB:
         last_id = self.db[self.collection_datekey].find({'status': 'OK'}).sort("date", -1).limit(1)
         return {"value": int(json.loads(dumps(last_id))[0]['date'])}
 
+    """ NODES MANAGEMENT"""
+    def insert_node(self, data):
+        try:
+            return self.db[self.collection_nodes].insert(data)
+        except BaseException as serr:
+            raise ("MongoDB error on {0}:{1} ({2})".format(self.server, self.port, serr))
+
+    def get_node(self, date, cluster, node, grata=None):
+        try:
+            if grata:
+                return json.loads(
+                    dumps(self.db[self.collection_nodes].find_one(
+                        {'$and': [{'date': date, 'cluster': cluster, 'node': node, 'grata': 1}]})))
+            else:
+                return json.loads(
+                    dumps(self.db[self.collection_nodes].find_one(
+                        {'$and': [{'date': date, 'cluster': cluster, 'node': node}]})))
+        except BaseException as serr:
+            raise ("MongoDB error on {0}:{1} ({2})".format(self.server, self.port, serr))
+
+
     """ INSTANCE MANAGEMENT"""
     def insert_instance(self, data):
-        return self.db[self.collection_instance].insert(data)
+        try:
+            return self.db[self.collection_instance].insert(data)
+        except BaseException as serr:
+            raise ("MongoDB error on {0}:{1} ({2})".format(self.server, self.port, serr))
 
+    # Revoir la multiplicite des instances/nodes
+    def get_instance(self, date, cluster, node, vmid):
+        try:
+            return json.loads(dumps(
+                    self.db[self.collection_instance].find_one(
+                        {'$and': [{"date": int(date), "cluster": cluster, "node": node, "vmid": int(vmid)}]})))
+        except BaseException as serr:
+            raise ("MongoDB error on {0}:{1} ({2})".format(self.server, self.port, serr))
+
+    """
     def update_instance(self, data, vmid, node=None, cluster=None):
         if node and cluster:
             return self.db[self.collection_instance].update(
@@ -223,15 +251,4 @@ class MongoDB:
             self.db[self.collection_instance].remove({"vmid": int(vmid), "node": node, "cluster": cluster})
         else:
             self.db[self.collection_instance].remove({"_id": vmid})
-
-    def get_instance(self, vmid, node=None, cluster=None):
-        try:
-            if node and cluster:
-                return json.loads(dumps(
-                    self.db[self.collection_instance].find_one(
-                        {"vmid": int(vmid), "node": node, "cluster": cluster})))
-            else:
-                return json.loads(dumps(
-                    self.db[self.collection_instance].find_one({"_id": vmid})))
-        except BaseException as serr:
-            raise ("MongoDB error on {0}:{1} ({2})".format(self.server, self.port, serr))
+    """
\ No newline at end of file
diff --git a/code/scripts/main/core/modules/mod_queue.py b/code/scripts/main/core/modules/mod_queue.py
index 579975d..1ab123a 100644
--- a/code/scripts/main/core/modules/mod_queue.py
+++ b/code/scripts/main/core/modules/mod_queue.py
@@ -2,6 +2,7 @@
 Queue Management
 """
 
+
 class Queue():
     def __init__(self):
         self.name = "command"
diff --git a/code/scripts/main/startup.py b/code/scripts/main/startup.py
index 6a6242c..f29166c 100644
--- a/code/scripts/main/startup.py
+++ b/code/scripts/main/startup.py
@@ -88,6 +88,19 @@ if __name__ == "__main__":
             # MANAGEMENT
             '/api/v1/administration/cluster', 'Cluster',
             '/api/v1/administration/cluster/new', 'Cluster',
+
+            # CACHE DATA (MONGO)
+            # date/cluster/node/vmid
+            '/api/v1/static/(instances|nodes|clusters)/([0-9]+)/([0-9a-zA-Z]+)/([0-9a-zA-Z]+)/([0-9]+)', 'QueryCache_Infra',
+            # date/cluster/node
+            # '/api/v1/static/nodes/([0-9]+)/([0-9a-zA-Z]+)/([0-9a-zA-Z]+)', 'Static_Nodes',
+            # cluster
+            # '/api/v1/static/clusters/([0-9]+)/([0-9a-zA-Z]+)', 'Static_Clusters',
+            # date
+            '/api/v1/static/dates', 'QueryCache_Dates',
+            # mongoid
+            '/api/v1/static/id/[a-z0-9]+', 'General_Search',
+
         )
 
     generalconf = {
diff --git a/databases/mongoDB/clusters.json b/databases/mongoDB/clusters.json
index 51d0f02..88cbeaf 100644
--- a/databases/mongoDB/clusters.json
+++ b/databases/mongoDB/clusters.json
@@ -7,7 +7,9 @@
   "template": "local:vztmpl/debian-9.0-standard_9.0-2_amd64.tar.gz",
   "storage_disk": "disks",
   "exclude_nodes": [""],
-  "weight": 1
+  "weight": 1,
+  "groups" : ["group1", "group2..."],
+  "clients" : ["client1", "client2..."],
 }
 
 {