diff --git a/src/DIRAC/AccountingSystem/DB/AccountingDB.py b/src/DIRAC/AccountingSystem/DB/AccountingDB.py
index 01389df7171..7828cdb7996 100644
--- a/src/DIRAC/AccountingSystem/DB/AccountingDB.py
+++ b/src/DIRAC/AccountingSystem/DB/AccountingDB.py
@@ -5,6 +5,9 @@
 import threading
 import time
 
+from cachetools import cachedmethod, LRUCache, TTLCache, cached
+
+
 from DIRAC import S_ERROR, S_OK
 from DIRAC.Core.Base.DB import DB
 from DIRAC.Core.Utilities import DEncode, List, ThreadSafe, TimeUtilities
@@ -15,11 +18,19 @@
 
 
 class AccountingDB(DB):
-    def __init__(self, name="Accounting/AccountingDB", readOnly=False, parentLogger=None):
+    def __init__(self, name="Accounting/AccountingDB", readOnly=False, parentLogger=None, accounting_types=None):
         DB.__init__(self, "AccountingDB", name, parentLogger=parentLogger)
+
+        # Cached method
+        self._addkeyvalue_cache = LRUCache(maxsize=1024)
+        self._addkeyvalue_lock = threading.Lock()
+        self._gettablename_cache = LRUCache(maxsize=128)
+        self._gettablename_lock = threading.Lock()
+
         self.maxBucketTime = 604800  # 1 w
         self.autoCompact = False
         self.__readOnly = readOnly
+        self.__accounting_types = accounting_types if accounting_types else []
         self.__doingCompaction = False
         self.__doingPendingLockTime = 0
         self.__deadLockRetries = 2
@@ -128,6 +139,9 @@ def __loadCatalogFromDB(self):
             raise Exception(retVal["Message"])
         for typesEntry in retVal["Value"]:
             typeName = typesEntry[0]
+            if self.__accounting_types and typeName not in self.__accounting_types:
+                self.log.info("Ignoring accounting type as not in the list", typeName)
+                continue
             keyFields = List.fromChar(typesEntry[1], ",")
             valueFields = List.fromChar(typesEntry[2], ",")
             bucketsLength = DEncode.decode(typesEntry[3].encode())[0]
@@ -158,6 +172,8 @@ def loadPendingRecords(self):
         """
         Load all records pending to insertion and generate threaded jobs
         """
+        print(f"CHRIS addkeyvalue cache {self.__addKeyValue.cache.currsize}/{self.__addKeyValue.cache.maxsize}")
+        print(f"CHRIS gettablename{self._getTableName.cache.currsize}/{self._getTableName.cache.maxsize}")
         gSynchro.lock()
         try:
             now = time.time()
@@ -185,7 +201,7 @@ def loadPendingRecords(self):
                 % self.getWaitingRecordsLifeTime()
             )
             req = "SELECT "
-            req += ",".join(sqlFields)
+            req += ", ".join([f"`{f}`" for f in sqlFields])
             req += f" FROM {sqlTableName} "
             req += "WHERE taken = 0 or TIMESTAMPDIFF( SECOND, takenSince, UTC_TIMESTAMP() ) > %s "
             args = [self.getWaitingRecordsLifeTime()]
@@ -197,6 +213,7 @@ def loadPendingRecords(self):
                     "[PENDING] Error when trying to get pending records",
                     f"for {typeName} : {result['Message']}",
                 )
+                self.__doingPendingLockTime = 0
                 return result
             self.log.info(f"[PENDING] Got {len(result['Value'])} pending records for type {typeName}")
             dbData = result["Value"]
@@ -278,6 +295,9 @@ def registerType(self, name, definitionKeyFields, definitionAccountingFields, bu
         """
         Register a new type
         """
+        if self.__accounting_types and name not in self.__accounting_types:
+            self.log.info("Not registering accounting type as not in the list", name)
+            return S_OK(False)
 
         result = self.__loadTablesCreated()
         if not result["OK"]:
@@ -439,6 +459,7 @@ def __getIdForKeyValue(self, typeName, keyName, keyValue, conn=False):
             return S_OK(retVal["Value"][0][0])
         return S_ERROR(f"Key id {keyName} for value {keyValue} does not exist although it should")
 
+    @cachedmethod(lambda self: self._addkeyvalue_cache, lock=lambda self: self._addkeyvalue_lock)
     def __addKeyValue(self, typeName, keyName, keyValue):
         """
         Adds a key value to a key table if not existant
@@ -565,10 +586,12 @@ def __insertFromINTable(self, recordTuples):
         """
         Do the real insert and delete from the in buffer table
         """
+        if self.__readOnly:
+            return S_ERROR("ReadOnly mode enabled. No modification allowed")
         self.log.verbose("Received bundle to process", f"of {len(recordTuples)} elements")
         for record in recordTuples:
             iD, typeName, startTime, endTime, valuesList, insertionEpoch = record
-            result = self.insertRecordDirectly(typeName, startTime, endTime, valuesList)
+            result = self._insertRecordDirectly(typeName, startTime, endTime, valuesList)
             if not result["OK"]:
                 req = "UPDATE "
                 req += self._getTableName("in", typeName)
@@ -583,12 +606,10 @@ def __insertFromINTable(self, recordTuples):
             if not result["OK"]:
                 self.log.error("Can't delete row from the IN table", result["Message"])
 
-    def insertRecordDirectly(self, typeName, startTime, endTime, valuesList):
+    def _insertRecordDirectly(self, typeName, startTime, endTime, valuesList):
         """
         Add an entry to the type contents
         """
-        if self.__readOnly:
-            return S_ERROR("ReadOnly mode enabled. No modification allowed")
         self.log.info(
             "Adding record",
             "for type %s\n [%s -> %s]"
@@ -688,7 +709,7 @@ def __writeBuckets(self, typeName, buckets, keyValues, valuesList, connObj=False
         sqlFields.extend(self.dbCatalog[typeName]["keys"])
         sqlFields.extend(self.dbCatalog[typeName]["values"])
         sqlUpData = ["entriesInBucket=entriesInBucket+VALUES(entriesInBucket)"]
-        sqlUpData.extend([f"{x}={x}+VALUES({x})" for x in self.dbCatalog[typeName]["values"]])
+        sqlUpData.extend([f"`{x}`=`{x}`+VALUES(`{x}`)" for x in self.dbCatalog[typeName]["values"]])
         valueGroups = []
         sqlValues = []
         for bucketInfo in buckets:
@@ -709,7 +730,7 @@ def __writeBuckets(self, typeName, buckets, keyValues, valuesList, connObj=False
         req = "INSERT INTO "
         req += self._getTableName("bucket", typeName)
         req += " ("
-        req += ",".join(sqlFields)
+        req += ", ".join([f"`{f}`" for f in sqlFields])
         req += ") VALUES "
         req += ",".join(valueGroups)
         req += " ON DUPLICATE KEY UPDATE "
@@ -1291,6 +1312,7 @@ def __commitTransaction(self, connObj):
     def __rollbackTransaction(self, connObj):
         return self._query("ROLLBACK", conn=connObj)
 
+    @cachedmethod(lambda self: self._gettablename_cache, lock=lambda self: self._gettablename_lock)
     def _getTableName(self, tableType, typeName, keyName=None):
         """
         Generate table name
diff --git a/src/DIRAC/AccountingSystem/DB/MultiAccountingDB.py b/src/DIRAC/AccountingSystem/DB/MultiAccountingDB.py
index 64b1c85be6d..6e11d08a26d 100644
--- a/src/DIRAC/AccountingSystem/DB/MultiAccountingDB.py
+++ b/src/DIRAC/AccountingSystem/DB/MultiAccountingDB.py
@@ -6,10 +6,11 @@
 
 
 class MultiAccountingDB:
-    def __init__(self, csPath, readOnly=False):
+    def __init__(self, csPath, readOnly=False, accounting_types=None):
         self.__csPath = csPath
         self.__readOnly = readOnly
         self.__dbByType = {}
+        self.__accountingTypes = accounting_types if accounting_types else []
         self.__defaultDB = "AccountingDB/AccountingDB"
         self.__log = gLogger.getSubLogger(self.__class__.__name__)
         self.__generateDBs()
@@ -17,7 +18,9 @@ def __init__(self, csPath, readOnly=False):
 
     def __generateDBs(self):
         self.__log.notice("Creating default AccountingDB...")
-        self.__allDBs = {self.__defaultDB: AccountingDB(readOnly=self.__readOnly)}
+        self.__allDBs = {
+            self.__defaultDB: AccountingDB(readOnly=self.__readOnly, accounting_types=self.__accountingTypes)
+        }
         result = gConfig.getOptionsDict(self.__csPath)
         if not result["OK"]:
             gLogger.verbose("No extra databases defined", f"in {self.__csPath}")
diff --git a/src/DIRAC/AccountingSystem/Service/DataStoreHandler.py b/src/DIRAC/AccountingSystem/Service/DataStoreHandler.py
index 69516b1b0e8..ed4f9ab36b4 100644
--- a/src/DIRAC/AccountingSystem/Service/DataStoreHandler.py
+++ b/src/DIRAC/AccountingSystem/Service/DataStoreHandler.py
@@ -28,7 +28,10 @@ class DataStoreHandler(RequestHandler):
     @classmethod
     def initializeHandler(cls, svcInfoDict):
         multiPath = PathFinder.getDatabaseSection("Accounting/MultiDB")
-        cls.__acDB = MultiAccountingDB(multiPath)
+        # we can focus on only some of the accoutning type
+        cls.accounting_types = getServiceOption(svcInfoDict, "AccountingTypes", [])
+
+        cls.__acDB = MultiAccountingDB(multiPath, accounting_types=cls.accounting_types)
         # we can run multiple services in read only mode. In that case we do not bucket
         cls.runBucketing = getServiceOption(svcInfoDict, "RunBucketing", True)
         if cls.runBucketing:
diff --git a/tests/Integration/AccountingSystem/Test_AccountingDB.py b/tests/Integration/AccountingSystem/Test_AccountingDB.py
index 468eb50a008..4b85faa85cf 100644
--- a/tests/Integration/AccountingSystem/Test_AccountingDB.py
+++ b/tests/Integration/AccountingSystem/Test_AccountingDB.py
@@ -42,10 +42,10 @@
 
 @pytest.fixture
 def inout():
-    res = acDB.insertRecordDirectly("Pilot", startTime, middleTime, keyValues_1 + nonKeyValue_1)
+    res = acDB._insertRecordDirectly("Pilot", startTime, middleTime, keyValues_1 + nonKeyValue_1)
     assert res["OK"], res["Message"]
 
-    res = acDB.insertRecordDirectly("Pilot", middleTime, endTime, keyValues_2 + nonKeyValue_2)
+    res = acDB._insertRecordDirectly("Pilot", middleTime, endTime, keyValues_2 + nonKeyValue_2)
     assert res["OK"], res["Message"]
 
     yield