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  1. Minecraft: Java Edition
  2. MC-123584

Updating blocks creates lag spikes proportional to geometry in chunk section

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    Details

    • Type: Bug
    • Status: Reopened
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 17w50a, Minecraft 18w01a, Minecraft 18w07c, Minecraft 18w09a, Minecraft 18w11a, Minecraft 18w19b, Minecraft 1.13-pre1, Minecraft 1.13-pre5, Minecraft 1.13-pre6, Minecraft 1.13-pre7, Minecraft 1.13-pre8, Minecraft 1.13-pre9, Minecraft 1.13-pre10, Minecraft 1.13, Minecraft 18w30b, Minecraft 1.13.2, Minecraft 18w45a, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 19w04b, Minecraft 19w05a, Minecraft 19w06a, Minecraft 19w07a, Minecraft 19w08b, Minecraft 19w11b, Minecraft 19w12b, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14 Pre-Release 3, Minecraft 1.14 Pre-Release 5, Minecraft 1.14, Minecraft 1.14.1 Pre-Release 1, Minecraft 1.14.1, Minecraft 1.14.2 Pre-Release 2, Minecraft 1.14.2 Pre-Release 3, Minecraft 1.14.2, Minecraft 1.14.3 Pre-Release 2, Minecraft 1.14.3, 1.14.4, 19w37a, 19w39a, 19w40a, 19w41a, 19w42a, 19w45a, 1.15 Pre-release 1, 1.15 Pre-Release 2, 1.15 Pre-release 6, 1.15, 1.15.1, 1.15.2 Pre-release 2, 1.15.2, 20w07a, 20w15a, 20w18a, 1.16 Pre-release 2, 1.16 Pre-release 3, 1.16 Pre-release 4, 1.16 Pre-release 5, 1.16 Pre-release 7, 1.16.1, 20w27a, 20w28a, 20w29a, 20w30a, 1.16.2 Pre-release 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3, 1.16.4 Pre-release 1
    • Fix Version/s: None
    • Labels:
    • Confirmation Status:
      Confirmed
    • Category:
      Block states, Performance, Rendering
    • Mojang Priority:
      Important

      Description

      The bug

      Any block change seems to trigger a redraw of the entire chunk section. This is most noticeable when breaking and replacing blocks, but is also caused by wheat growing, for example. Lag is increased depending on the geometry inside the chunk section – complex models like fences cause greater lag.

      This is client-side rendering issue since when filling large areas the command success message appears almost instantaneously in the log but the game freezes for some seconds.

      When the debug rendering pie chart is visible the following warnings are logged:

      [21:20:51] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.terrain_setup.rebuildNear.build near' took aprox 223.112349 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.terrain_setup.rebuildNear.build near' took aprox 1796.166532 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.terrain_setup.rebuildNear' took aprox 2046.063861 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.terrain_setup' took aprox 2046.184909 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level' took aprox 2049.560368 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer' took aprox 2051.362563 ms
[21:20:53] [Client thread/WARN]: Something's taking too long! 'root' took aprox 2054.692309 m

      How to reproduce

      1. Use the following command 
        /fill ~1 ~1 ~1 ~15 ~15 ~15 oak_fence
      2. Place or break a block next to the filled fences

        Attachments

        1. 1.15.2 Fabric Sodium MC-123584.png
          1.15.2 Fabric Sodium MC-123584.png
          1.42 MB
        2. 1.15.2 Vanilla MC-123584.png
          1.15.2 Vanilla MC-123584.png
          1.35 MB
        3. 2019-08-09_21.25.44.png
          2019-08-09_21.25.44.png
          1.29 MB
        4. 2019-09-13_23.41.51.png
          2019-09-13_23.41.51.png
          1.20 MB
        5. 2019-11-08_08.39.43.png
          2019-11-08_08.39.43.png
          707 kB
        6. 2019-11-08_08.41.19.png
          2019-11-08_08.41.19.png
          694 kB
        7. lag spikes .png
          lag spikes .png
          1.60 MB
        8. MC-lag_spike_.mp4
          673 kB
        9. rebuildNear lag example world.zip
          393 kB
        10. Screenshot (930).png
          Screenshot (930).png
          130 kB
        11. Screenshot (931).png
          Screenshot (931).png
          207 kB
        12. Screenshot (932).png
          Screenshot (932).png
          24 kB

          Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MC-123582 Rendering Error

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-123762 Extreme Frame Drop When Placing/Breaking Blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-124153 MC-38433 is back/still in the game

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-126518 Redstone or lighting updates causing severe lag and framerate drops

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-129545 The FPS is drop to 0 when loading the chunks.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-130282 Decaying leaf blocks cause severe micro stuttering

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-131549 Every block change results in it re-rendering

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-133262 lagspikes

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-134309 Mining Sandstone causes lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-141622 Frame Time Spikes and Garbage Collection issues when Close to Large Amounts of Bamboo

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-143994 Chorus plants cause great FPS decrease.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-144126 Lag spike when placing blocks.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-144342 Lag spikes

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-144465 Growing bamboo creates noticeable lag within a set radius

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-144765 There is a lag when breaking bamboo in a "Bamboo Jungle" Buffet world.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-145095 Visual Stutter on Block Placing

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-145665 FPS drop when breaking/placing blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-147172 Placing and Breaking Blocks Causes Lag Spike

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-148323 Major Frame Drops every time bamboo grows

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149074 Massive Frame Drops in Bamboo Farms

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149191 Placed blocks in villages make game lag to 0 fps for a second then jump back to normal

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149256 Lag spikes when someone destroys or places block...

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149279 small freeze spike with blocks being broken and being placed

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149345 New Lighting Engine Causing CPU overload on block update

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149360 When ever I break a block the fps drops by 10

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149525 Bamboo creates lag spikes

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          Bug - A problem which impairs or prevents the functions of the product. MC-149601 Lag/stuttering when blocks break above other blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149609 Placing or removing blocks causes lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-149616 breaking/placing blocks fps drop

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149766 Sometimes, placing or breaking blocks leads to a lag spike in 1.14

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-149902 Game lags when place or break blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-150028 Enormous Lag Spikes with Full Blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-150244 Lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-150297 lag spike

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-150714 Huge lag when breaking blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-150724 [1.14] Large, dense bamboo forest cause major lag when breaking bamboo

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          Bug - A problem which impairs or prevents the functions of the product. MC-150838 Breaking Logs and Bamboo Causes Lag Spikes

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          Bug - A problem which impairs or prevents the functions of the product. MC-151072 Destroying trees causes lag spikes + Jungle biome lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-151107 Huge FPS Lag Spikes When Breaking/Placing Blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-151312 Bamboo causes huge amounts of frame lag

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-151463 Extreme FPS lag when destroying lots of blocks at once

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-151678 Imense FPS Drops and Stuttering when breaking/placing Blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-151850 Fps drops when placing or breaking blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-151913 Large Jungle Wood Trees Cause Lag When Broken

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          Bug - A problem which impairs or prevents the functions of the product. MC-151994 game drops a frame every time i break/place something

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-152214 block placement causes a drop FPS

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          Bug - A problem which impairs or prevents the functions of the product. MC-152251 Bambo and kelp bug

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          Bug - A problem which impairs or prevents the functions of the product. MC-152299 lag when placing and breaking blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-152306 Armor bars not appearing when switching from the Overworld to Nether

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          Bug - A problem which impairs or prevents the functions of the product. MC-152417 FPS Drops/Lag when placing Torches and other blocks

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-152677 Immense Stutter when breaking or placing blocks around torches and light in general.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-152701 lag caused by replacing blocks on a large platform in a void world

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-152959 Breaking Bamboo Causes Extreme Lag (Both FPS and Performance.)

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-153021 Frame rate dips when placing blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-153101 Breaking or Placing Blocks makes game run not smoothly

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          Bug - A problem which impairs or prevents the functions of the product. MC-153701 Significant Lag when placing blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-153723 LAGGY BAMBOUS

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          Bug - A problem which impairs or prevents the functions of the product. MC-153810 Immense Stutter Problems in 1.14.2+

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          Bug - A problem which impairs or prevents the functions of the product. MC-153812 Blocks broken or placed in certain chunks cause lag spikes.

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          Bug - A problem which impairs or prevents the functions of the product. MC-153829 Jungle

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          Bug - A problem which impairs or prevents the functions of the product. MC-154218 Excessive lag when breaking blocks

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          Bug - A problem which impairs or prevents the functions of the product. MC-156189 Breaking blocks near chunk edges causes extreme amounts of lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-156524 Fire and block break lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-156528 Lava movement or lighting lag

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          Bug - A problem which impairs or prevents the functions of the product. MC-156767 Lags when breaking blocks happening on random chunks

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          Bug - A problem which impairs or prevents the functions of the product. MC-157184 Lag spikes while mining a cobblestone block (I dont know if it happens with other blocks)

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          Bug - A problem which impairs or prevents the functions of the product. MC-164210 Slight Lag when 3x3 TNT exploads

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          Bug - A problem which impairs or prevents the functions of the product. MC-169077 Frame time spikes caused by redstone

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          Bug - A problem which impairs or prevents the functions of the product. MC-170224 Lighting lag something to do with skylight.

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          Bug - A problem which impairs or prevents the functions of the product. MC-172697 Lag spike when placing/breaking blocks next to kelp found in water.

          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. MC-178301 Breaking or placing blocks cause FPS drop (may be duplicate of another issue)

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          Bug - A problem which impairs or prevents the functions of the product. MC-188434 Breaking a block causes the block to still remain for a second

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          Bug - A problem which impairs or prevents the functions of the product. MC-194967 Redstone contraptions causing horrendous lag

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MC-148095 Extreme FPS drop when moving in the jungle biome

          • Reopened

          Bug - A problem which impairs or prevents the functions of the product. MC-123263 Light Update or Block Update FPS issue

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          Bug - A problem which impairs or prevents the functions of the product. MC-126518 Redstone or lighting updates causing severe lag and framerate drops

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          Bug - A problem which impairs or prevents the functions of the product. MC-147548 Terrible performance with large forest fires

          • Reopened

          Bug - A problem which impairs or prevents the functions of the product. MC-133877 Extreme lag from decaying leaves

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          Bug - A problem which impairs or prevents the functions of the product. MC-149343 Chunk block lag when tall spruce tree is grown in that chunk

          • Resolved

            Activity

              People

              Assignee:
              slicedlime [Mojang] slicedlime
              Reporter:
              marcono1234 [Mod] Marcono1234
              Votes:
              478 Vote for this issue
              Watchers:
              177 Start watching this issue

                Dates

                Created:
                Updated:
                CHK: