{ "expand": "operations,versionedRepresentations,editmeta,changelog,renderedFields", "id": "388078", "self": "https://bugs.mojang.com/rest/api/2/issue/388078", "key": "BDS-9973", "fields": { "issuetype": "1", "project": "11700", "fixVersions": [], "resolution": "4", "customfield_10500": { "self": "https://bugs.mojang.com/rest/api/2/customFieldOption/10300", "value": "Unconfirmed", "id": "10300", "disabled": false }, "customfield_12800": null, "customfield_12602": [], "customfield_12601": null, "customfield_12604": null, "customfield_12603": null, "customfield_12606": null, "customfield_12605": null, "customfield_12608": null, "resolutiondate": "2021-08-17T14:22:44.000+0300", "customfield_12607": null, "customfield_12609": null, "workratio": -1, "lastViewed": null, "watches": { "self": "https://bugs.mojang.com/rest/api/2/issue/BDS-9973/watchers", "watchCount": 0, "isWatching": false }, "created": "2020-11-20T08:50:13.000+0200", "customfield_12000": null, "customfield_12201": null, "customfield_12600": null, "labels": [], "customfield_11700": "{}", "versions": [ "19608" ], "issuelinks": [], "assignee": null, "updated": "2021-08-17T14:22:44.000+0300", "status": "5", "description": "After upgrading the Ubuntu server from 1.16.40 to 1.16.100, I am seeing large lag spikes, far more regularly and with longer duration than ever before.\u00a0 A few times per minute, players will lag for 2-4 seconds, after which the entities will either rapidly jump to their updated positions, or sometimes not move at all.\u00a0 During the lag spikes, players cannot pick up items, attack mobs, or even open the inventory screen.\r\n\r\nI haven't changed any aspects of the host machine or environment whatsoever between the before and after.\u00a0 It must be some behavioral change in the new server version that's causing this.", "customfield_11100": null, "customfield_11300": null, "customfield_11500": null, "customfield_12503": null, "customfield_12700": null, "customfield_12502": null, "customfield_12504": null, "attachment": [], "summary": "Large regular lag spikes introduced in 1.16.100", "creator": "tofulisk", "reporter": "tofulisk", "customfield_10002": null, "customfield_12501": null, "customfield_12500": null, "customfield_11601": null, "customfield_11600": "0|i1onnz:", "environment": "Ubuntu 18.04", "customfield_11801": null, "customfield_11800": null, "customfield_11602": null, "customfield_11802": null, "comment": { "comments": [ { "self": "https://bugs.mojang.com/rest/api/2/issue/388078/comment/851226", "id": "851226", "author": "JIRAUSER556245", "body": "can confirm, this is happening on my server too. Seems to happen in normal worlds though as well", "updateAuthor": "JIRAUSER556245", "created": "2020-11-27T04:56:35.771+0200", "updated": "2020-11-27T04:56:35.771+0200" }, { "self": "https://bugs.mojang.com/rest/api/2/issue/388078/comment/857982", "id": "857982", "author": "yayalove2/16/2018", "body": "I can confirm this is happening on my server as well. We started a fresh world with the update. No redstone builds yet, but the lag spikes are terrible! Prior to the update, our old world didn't significantly lag unless we had 8+ players on at once and we had a lot of redstone contraptions.\u00a0\r\n\r\nThis is our current server hardware:\r\n\r\nIntel Core i9 9900K up to 5.0 Ghz\r\n Unlimited NVMe SSD\r\n DDR4 ECC Ram 2133/2400mhz\r\n\r\nSince the update, when only 2-3 players are on, the lag is horrible and the lag spikes seem to be constant and random.\u00a0\r\n\r\nAs a side note, I did experience tons of lag in a single player world while looking for the new seed for our current world. I was the only one on and in creative mode.\u00a0\r\n\r\n\u00a0I also want to report that the lag is causing mobs not to spawn, passive or aggressive. We play on hard mode but it's more like peaceful. The only mobs that spawn normally, that I've noticed are drowns. Very few mobs are spawning in the Nether.\u00a0", "updateAuthor": "yayalove2/16/2018", "created": "2020-12-06T23:04:26.692+0200", "updated": "2020-12-06T23:14:19.403+0200" }, { "self": "https://bugs.mojang.com/rest/api/2/issue/388078/comment/991125", "id": "991125", "author": "JIRAUSER484247", "body": "*Thank you for your report!*\r\n However, this issue has been temporarily closed as *{color:#ff5722}Awaiting Response{color}*\r\n\r\nIs this still an issue in the latest version? If so, can you please add it to the affected versions (or mention it if you are not the reporter).\r\nThis ticket will automatically reopen when you reply.\r\n\r\n*Quick Links*:\r\n \ud83d\udcd3 [Issue Guidelines|http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft] \u2013 \ud83d\udcac [Mojang Support|https://help.minecraft.net/hc/en-us/requests/new] \u2013 \ud83d\udce7 [Suggestions|https://feedback.minecraft.net/] \u2013 \ud83d\udcd6 [Minecraft Wiki|http://minecraft.gamepedia.com/Minecraft_Wiki]", "updateAuthor": "JIRAUSER484247", "created": "2021-05-14T19:07:42.635+0300", "updated": "2021-05-14T19:07:42.635+0300" }, { "self": "https://bugs.mojang.com/rest/api/2/issue/388078/comment/1056097", "id": "1056097", "author": "JIRAUSER484247", "body": "Cleaning up old tickets: This ticket had been set to 'Awaiting Response', but has not received a response from the reporter (~3 months+) so is being closed as _Incomplete_. If you feel this is still a valid issue then please comment, or create a new ticket following the [Issue Guidelines|http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft] which includes steps to reproduce the problem.\r\n\r\n*Quick Links*:\r\n \ud83d\udcd3 [Issue Guidelines|http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft] \u2013 \ud83d\udcac [Mojang Support|https://help.minecraft.net/hc/en-us/requests/new] \u2013 \ud83d\udce7 [Suggestions|https://feedback.minecraft.net/] \u2013 \ud83d\udcd6 [Minecraft Wiki|http://minecraft.gamepedia.com/Minecraft_Wiki]", "updateAuthor": "JIRAUSER484247", "created": "2021-08-17T14:22:44.064+0300", "updated": "2021-08-17T14:22:44.064+0300" } ], "maxResults": 4, "total": 4, "startAt": 0 }, "votes": { "self": "https://bugs.mojang.com/rest/api/2/issue/BDS-9973/votes", "votes": 2, "hasVoted": false } }, "changelog": { "startAt": 0, "maxResults": 3, "total": 3, "histories": [ { "id": "2170713", "author": "JIRAUSER484247", "created": "2021-05-14T19:07:42.685+0300", "items": [ { "field": "resolution", "fieldtype": "jira", "from": null, "fromString": null, "to": "10001", "toString": "Awaiting Response" }, { "field": "status", "fieldtype": "jira", "from": "1", "fromString": "Open", "to": "5", "toString": "Resolved" } ] }, { "id": "2328239", "author": "JIRAUSER484247", "created": "2021-08-17T14:22:32.047+0300", "items": [ { "field": "resolution", "fieldtype": "jira", "from": "10001", "fromString": "Awaiting Response", "to": null, "toString": null }, { "field": "status", "fieldtype": "jira", "from": "5", "fromString": "Resolved", "to": "4", "toString": "Reopened" } ] }, { "id": "2328243", "author": "JIRAUSER484247", "created": "2021-08-17T14:22:44.066+0300", "items": [ { "field": "resolution", "fieldtype": "jira", "from": null, "fromString": null, "to": "4", "toString": "Incomplete" }, { "field": "status", "fieldtype": "jira", "from": "4", "fromString": "Reopened", "to": "5", "toString": "Resolved" } ] } ] } }