Call Table\Manager::deleteAll() for both Days and Periods, not only for Periods

core/ArchiveProcessor.php

@@ -194,8 +194,6 @@ class ArchiveProcessor
                                               &$columnsAggregationOperation = null,
                                               $columnsToRenameAfterAggregation = null)
     {
-        // We clean up below all tables created during this function call (and recursive calls)
-        $latestUsedTableId = Manager::getInstance()->getMostRecentTableId();
         if (!is_array($recordNames)) {
             $recordNames = array($recordNames);
         }
@@ -210,7 +208,6 @@ class ArchiveProcessor
             Common::destroy($table);
             $this->insertBlobRecord($recordName, $blob);
         }
-        Manager::getInstance()->deleteAll($latestUsedTableId);
 
         return $nameToCount;
     }

core/ArchiveProcessor/PluginsArchiver.php

@@ -15,6 +15,7 @@ use Piwik\Archive;
 use Piwik\ArchiveProcessor;
 use Piwik\DataAccess\ArchiveSelector;
 use Piwik\DataAccess\ArchiveWriter;
+use Piwik\DataTable\Manager;
 use Piwik\Metrics;
 use Piwik\Plugin\Archiver;
 
@@ -87,6 +88,10 @@ class PluginsArchiver
         $archivers = $this->getPluginArchivers();
 
         foreach($archivers as $pluginName => $archiverClass) {
+
+            // We clean up below all tables created during this function call (and recursive calls)
+            $latestUsedTableId = Manager::getInstance()->getMostRecentTableId();
+
             /** @var Archiver $archiver */
             $archiver = new $archiverClass($this->archiveProcessor);
 
@@ -97,6 +102,9 @@ class PluginsArchiver
                     $archiver->aggregateMultipleReports();
                 }
             }
+
+            Manager::getInstance()->deleteAll($latestUsedTableId);
+            unset($archiver);
         }
     }