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Ftb authentication servers are down drivers#Long shot: affected users might try updating video drivers - I doubt it'll help, but Java video libraries does make use of native memory. If possible, check OS and graphics card for affected users. Nothing stands out to me other than a probable thread leak (probably minor? Especially if it's a 64-bit JVM). Ftb authentication servers are down password#If Minecraft handles passwords well, the password won't be in the file in plaintext but would an encrypted form or account tokens exist? possibly. Most anything a Java program has in memory, is in that heap. Re heap dumps: They consist of a copy of the main memory pool of a Java application, put onto disk. Watch for weak/phantom references, some frameworks I've battled with clean up the native resources when the java classes using them are garbage collected. They can be indicated in a normal heap dump, but can be fiendishly easy to miss. I've limited experience with native leaks (I know enough about them to know to not want to touch them). Is Java is limited to 7GB of heap memory but still using 16GB of memory? That sounds like a leak of native resources. The JVM args supplied don't indicate a heap size, but other comments/instructions indicate a cap on heap size of 7GB. so the user is most likely watching task manager or OS specific equievelent, which reports a sum of all memory pools (heap,native,etc) The main menu doesn't have any options to show java heap usage, so far as I'm aware. With any updates that fix memory leaks, they can (and have) introduced new bugs that do the opposite. Oracle has been tackling memory issues in some of their recent builds, including long standing Mac-only memory leaks. but I'd only go down that road in this forum if one can be sure secrets (like the minecraft account user/password) don't get shared.įor memory leaks in Java, OS becomes very relevant, and with recent Java builds, so does the java version. The JDK command jmap can get a heap dump from a running java process, which would allow the person with the problem to forward the necessary details to the person with the skillset to troubleshoot. Would heap dumps be safe to share, or will those contain account info secrets? Is it OS (linux) or Java version related (OpenJDK 1.8.0_202)? There's nothing about the main menu in the log, just the usual messages for unloading a world. Ftb authentication servers are down Pc#Wait and kill MC fast enough before your PC locks up.Set maximum memory to prefered amount (7GB in this case).Used memory does not increase in main menu after exiting a world. watch your ram usage increase at a rate of 0.1 GB/sec.when continuing to play, the ram continues to fill up.when looking 15 later the overall ram usage is almost 16GB (+6GB).after loading finished it increased to around 9-10GB.Minecraft starts to fill up my 16GB in less than 15 minutes, although maximum usage is set to 7GB via Java options. Edited version after I found out where the leak occurs: Modpack Version: ![]()
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