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I'm currently facing this issue: after the ColorOS 12 update on my OPPO find X3 lite, my phone was showing the warning of flash memory full (128 GB). Even removing files, cache, apps and other stuff, after very little time it was showing the warning again.

Long story short, I found that the system is creating multiple copies of the same folder under the path "system/proc/12566/task", there are currently 98 folders using roughly 1,3 GB each.

Is it a system bug? Should I try to remove these folders? Anyone's already faced this issue by chance?

Robert
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Andrea
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  • /system/proc is not a real folder, therefore it occupies no space on flash. All the content is just data generated on-the-fly by the Linux kernel. https://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/proc.html BTW: The term "memory" is ambiguous as it can refer to RAM memory or Flash memory. As there is no Android phone with 128GB RAM you seem to refer to flash memory, I have corrected that and the wrong RAM tag. – Robert Apr 24 '22 at 10:11
  • Thank you for the reply Robert, and thank you for the correction, yeah I definitely meant ROM memory (probably the ram tag has been autoadded). Does that mean that I can try to delete that folders? – Andrea Apr 24 '22 at 10:17
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    there is only one writeable partition so the warning concerns /data only (even if it's named "System") – alecxs Apr 24 '22 at 10:19
  • I understand. I haven't still rooted this phone so I don't have view access to /data folder. Would the root let me understand what's the real responsible of the memory usage? There's definitely something that's "burning" space without a clear reason... – Andrea Apr 24 '22 at 10:21
  • @alecxs I'll check it right know and let you know, thank you for the help – Andrea Apr 24 '22 at 10:22
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    Rooting the device would eliminate your requirement for storage analysis now, because in the rooting process a factory reset is performed so all data would be gone... – Robert Apr 24 '22 at 10:22
  • Does this answer your question? What Is Using Up My Storage/Data on Android Phone? – alecxs Apr 24 '22 at 10:26
  • @Robert well yeah that's true – Andrea Apr 24 '22 at 10:55
  • @alecxs I just checked with adb, my /storage/emulated/0 folder is showing just 11.7GB of usage... What else may I check? – Andrea Apr 24 '22 at 10:56
  • ColorOS RECOVERY is able to decrypt /data. not sure about root shell though, but someone claimed it provides availbility to install unsigned flashable zip files. that could be utilized to access /data without rooting – alecxs Apr 24 '22 at 11:11
  • That means that I should install SU through ColorOS RECOVERY, did I get it right? Of course I'll perform a full backup before doing anything... thank you – Andrea Apr 24 '22 at 11:26
  • No, do not install SuperSU. create your own (unsigned) flashable zip for du and try to install (will most likely fail). full backup is only possible in EDL mode btw – alecxs Apr 24 '22 at 11:47
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    /proc, /sys etc. are kernel's virtual filesystems which reside in RAM. And they take very small amount of RAM - not more than a few MBs. Relevant details here. Also related: How disk space is used on Android device?. – Irfan Latif Apr 24 '22 at 16:27

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