I mention that in my Google document linked-to below. So, in most cases, exclude the Boost library from your indexer. You might need a whopping 32 GiB ~ 64 giB ( -Xmx32768m to -Xm圆5536m) to index the entire C Boost library, which is totally nuts.I need at least -Xmx12288m (12288 MiB, or 12 GiB) for my large mono-repo. ![]() Perhaps as few as -Xmx512m (512 MiB, or 0.5 GiB) or so can index the entire Arduino AVR (8-bit mcu) source code just fine.It handles most normal projects you'll encounter. The starting setting of -Xmx2048m (2048 MiB, or 2 GiB) is fine for most users.I previously gave it 7 of my 8 threads, and it was horrible! My computer ran so stinking slow and I could never use things like Chrome or Slack properly! How much max RAM ( -Xmx) should I give Eclipse? If I find Eclipse to be bogging down my computer again, I'll reduce its threads to 2 or 3 max instead of 4. So, to keep Eclipse from sucking up all your resources and freezing your computer, limit the number of threads it can have even more. This may sound counter-intuitive, but the larger your project and the weaker your computer, the fewer threads you should give Eclipse! This is because the larger your project and the weaker your computer, the more your computer will get bogged down using things like your Chrome web browser. So, I have 8 cores (hyperthreads), so I should give Eclipse 4 of them by setting -Declipse.p2.max.threads=4 in the. You can see here I have 8:Ī good starting point is to give Eclipse half of your total cores, to keep it from bogging down your system all the time while indexing and refreshing large projects. On Linux Ubuntu, simply open the "System Monitor" app. How to see how many "cores" (again, actually: hyperthreads) you have on your hardware add-opens=java.base/java.lang=ALL-UNNAMED So, if your computer has 8 physical "cores" (actually: hyperthreads), then decrease the max number of threads that Eclipse can use to 4, or Solution: decrease the max number of threads Eclipse can use, down to 1/2 as many as your computer has. Tested in Eclipse IDE for C/C Developers Version: 2022-09 (4.25.0) on Linux Ubuntu 18.04. Problem: Eclipse and the Eclipse indexer take up all my resources / CPU% Open the file and look for the hex id of the thread: "Link Indexer Delayed Write-10" prio=10 tid=0x00007f66b801a800 nid=**0x1b9b** runnable Īt .ExtentManager$WriteBack.r The output is saved in the file you redirected stdout when you started eclipse in the command line using: printf "0x%x\n" 7067)ĭo a thread dump of the java process using kill -3, as in: kill -3 6974. Here's a sample of the output that identified my cpu-hungry thread: PID LWP STIME TIME %CPUĬonvert the thread id (in my case 7067) to hex 0x1b9b (e.g. Start eclipse from the command line and redirect output to a file so we can get a thread dumpĪllow it to settle for a bit, then get a listing of the cpu usage for each thread: ps -mo 'pid lwp stime time pcpu' -C java. I'm running Ubuntu 12.10 with STS based on eclipse Juno. I realize it's not likely that anyone else has this problem, but it might be useful to post how I investigated it. I had recently added quite a bit of files to a project and had forgotten about it. This is a very bad experience, because it really drives the battery dry fastly.I was having the same problem today, and it turned out to be an indexing thread that was occupying the CPU. I think my mac book is the higher processor and will be better, but it seems like I totally wrong. This was apparently asked before, with 200 users confirming this bug, and no answers to that post. I'm on a 2020 MacBook Air, 1.1 GHz Dual-Core Intel Core i3, Catalina 10.15.5 Occasionally, I get what's described on the post title, namely:īluetoothaudiod is hogging the processor, with 100% useįorce-quitting bluetoothaudiod immediately slows down and eventually stops, CPU load goes back to idle loads, and computer cools down. I have the bad same situation with the follwing guys, and mine mac pro-MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports) bluetoothaudiod spikes to 100% CPU load, MacBook Air gets hot, fan gets super loud
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