3 files changed, 12 insertions, 3 deletions

diff --git a/src/Wallabag/ImportBundle/Import/PocketImport.php b/src/Wallabag/ImportBundle/Import/PocketImport.php
index 798cfdae..841f829d 100644
--- a/src/Wallabag/ImportBundle/Import/PocketImport.php
+++ b/src/Wallabag/ImportBundle/Import/PocketImport.php
@@ -255,7 +255,10 @@ class PocketImport extends AbstractImport
             // flush every 20 entries
             if (($i % 20) === 0) {
                 $this->em->flush();
-                $this->em->clear($entry);
+
+                // clear only affected entities
+                $this->em->clear(Entry::class);
+                $this->em->clear(Tag::class);
             }
             ++$i;
         }
diff --git a/src/Wallabag/ImportBundle/Import/ReadabilityImport.php b/src/Wallabag/ImportBundle/Import/ReadabilityImport.php
index 37b160c5..7bae647d 100644
--- a/src/Wallabag/ImportBundle/Import/ReadabilityImport.php
+++ b/src/Wallabag/ImportBundle/Import/ReadabilityImport.php
@@ -169,7 +169,10 @@ class ReadabilityImport extends AbstractImport
             // flush every 20 entries
             if (($i % 20) === 0) {
                 $this->em->flush();
-                $this->em->clear($entry);
+
+                // clear only affected entities
+                $this->em->clear(Entry::class);
+                $this->em->clear(Tag::class);
             }
             ++$i;
         }
diff --git a/src/Wallabag/ImportBundle/Import/WallabagImport.php b/src/Wallabag/ImportBundle/Import/WallabagImport.php
index a1cc085b..9cd3dcb8 100644
--- a/src/Wallabag/ImportBundle/Import/WallabagImport.php
+++ b/src/Wallabag/ImportBundle/Import/WallabagImport.php
@@ -172,7 +172,10 @@ abstract class WallabagImport extends AbstractImport
             // flush every 20 entries
             if (($i % 20) === 0) {
                 $this->em->flush();
-                $this->em->clear($entry);
+
+                // clear only affected entities
+                $this->em->clear(Entry::class);
+                $this->em->clear(Tag::class);
             }
             ++$i;
         }