diff --git a/.github/workflows/collect-statistics.yml b/.github/workflows/collect-statistics.yml
index c53f32f798..971468fe70 100644
--- a/.github/workflows/collect-statistics.yml
+++ b/.github/workflows/collect-statistics.yml
@@ -96,7 +96,8 @@ jobs:
     needs: setup_matrix
     continue-on-error: true
     strategy:
-      max-parallel: 3
+      # temporary commented, remove completely after 10.23 if all pipelines worked well
+      #max-parallel: 3
       matrix:
         project: ${{ fromJson(needs.setup_matrix.outputs.projects) }}
         value: ${{ fromJson(needs.setup_matrix.outputs.matrix) }}
@@ -124,7 +125,7 @@ jobs:
         run: |
           docker run -d --rm --name busybox --privileged --net=host --pid=host --ipc=host --volume /:/host busybox sleep infinity
           docker exec busybox /bin/sh -c 'chroot /host /bin/bash -c "swapoff /mnt/swapfile"'
-          docker exec busybox /bin/sh -c 'chroot /host /bin/bash -c "dd if=/dev/zero of=/mnt/swapfile bs=1M count=4096 oflag=append conv=notrunc"'
+          docker exec busybox /bin/sh -c 'chroot /host /bin/bash -c "dd if=/dev/zero of=/mnt/swapfile bs=1M count=8192 oflag=append conv=notrunc"'
           docker exec busybox /bin/sh -c 'chroot /host /bin/bash -c "mkswap /mnt/swapfile"'
           docker exec busybox /bin/sh -c 'chroot /host /bin/bash -c "swapon /mnt/swapfile"'
 
@@ -197,7 +198,6 @@ jobs:
               --add-opens java.base/jdk.internal.vm=ALL-UNNAMED \
               --add-opens java.base/jdk.internal.vm.annotation=ALL-UNNAMED \
               -Dutbot.monitoring.settings.path=$monitoring_projects/${{ matrix.project }}/monitoring.properties \
-              -Xmx512M \
               utbot-junit-contest/build/libs/monitoring.jar \
               stats-$i.json
             mv logs/utbot.log logs/utbot-$i.log