[ottischwenk]

Originally Posted by ottischwenk

I like it - except for the fact that you can't run Calibre Companion on it and transfer books even once.
This corrupts the device by slowing down the file system by hundreds of times.
I don't know if other applications cause something similar.
Boox is informed about this problem:
/sdcard/Test is a folder with 25,000 empty files.

Its not Calibre Companion.

test.sh
----------------------------------------------------------------
echo
echo Test started
for a in a b c d e
do
echo
echo start create +5000 files
date
i=0; while [ $((i)) -lt 5000 ]; do touch $a$i; i=$(($i+1)); done;
echo finished
date
time ls -l | wc
done
echo
date
echo Test finished
echo
----------------------------------------------------------------

----------------------------------------------------------------
Factory reset
----------------------------------------------------------------
Microsoft Windows [Version 10.0.22621.1105]
(c) Microsoft Corporation. Alle Rechte vorbehalten.

d:\_Reader-Smartphone\ADB>adb push test.sh /data/local/tmp
test.sh: 1 file pushed. 0.0 MB/s (225 bytes in 0.031s)

d:\_Reader-Smartphone\ADB>adb shell
BOOX:/ $ am start com.android.settings/.Settings
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.android.settings/.Settings }   -> stay awake on
BOOX:/ $ cd /sdcard
BOOX:/sdcard $ mkdir test
BOOX:/sdcard $ cd test
BOOX:/sdcard/test $ chmod 755 /data/local/tmp/test.sh
BOOX:/sdcard/test $ /data/local/tmp/test.sh
----------------------------------------------------------------
Create folder "test"
----------------------------------------------------------------
Test started

start create +5000 files
Wed Nov 23 15:26:26 CST 2022
finished
Wed Nov 23 15:29:06 CST 2022
   5001   40002  263898
    0m00.17s real     0m00.08s user     0m00.10s system

start create +5000 files
Wed Nov 23 15:29:07 CST 2022
finished
Wed Nov 23 15:33:57 CST 2022
  10001   80002  527788
    0m00.35s real     0m00.13s user     0m00.22s system

start create +5000 files
Wed Nov 23 15:33:57 CST 2022
finished
Wed Nov 23 15:38:58 CST 2022
  15001  120002  791678
    0m00.51s real     0m00.24s user     0m00.29s system

start create +5000 files
Wed Nov 23 15:38:59 CST 2022
finished
Wed Nov 23 15:45:07 CST 2022
  20001  160002 1055568
    0m00.65s real     0m00.34s user     0m00.32s system

start create +5000 files
Wed Nov 23 15:45:08 CST 2022
finished
Wed Nov 23 15:51:48 CST 2022
  25001  200002 1319458
    0m00.82s real     0m00.32s user     0m00.51s system

Wed Nov 23 15:51:49 CST 2022
Test finished

BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m00.82s real     0m00.36s user     0m00.47s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m00.82s real     0m00.28s user     0m00.56s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m00.83s real     0m00.34s user     0m00.50s system
----------------------------------------------------------------
----------------------------------------------------------------
Reboot
----------------------------------------------------------------
d:\_Reader-Smartphone\ADB>adb shell
BOOX:/ $ cd /sdcard/test
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m06.38s real     0m00.40s user     0m01.67s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m02.63s real     0m00.40s user     0m00.50s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m02.86s real     0m00.39s user     0m00.54s system
----------------------------------------------------------------
WLAN On, connected
----------------------------------------------------------------
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m03.02s real     0m00.35s user     0m00.57s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m03.22s real     0m00.44s user     0m00.51s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    0m02.79s real     0m00.40s user     0m00.50s system
----------------------------------------------------------------
----------------------------------------------------------------
Reboot
----------------------------------------------------------------
d:\_Reader-Smartphone\ADB>adb shell
BOOX:/ $ cd /sdcard/test
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    1m35.36s real     0m00.54s user     0m00.80s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    4m32.10s real     0m01.79s user     0m09.23s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    6m57.78s real     0m01.94s user     0m14.08s system
----------------------------------------------------------------
----------------------------------------------------------------
WLAN off, Reboot
----------------------------------------------------------------
d:\_Reader-Smartphone\ADB>adb shell
BOOX:/ $ cd /sdcard/test
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    1m23.01s real     0m00.57s user     0m01.18s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    6m52.22s real     0m02.99s user     0m14.82s system
BOOX:/sdcard/test $ time ls -l | wc
  25001  200002 1319458
    6m51.73s real     0m02.76s user     0m15.12s system
----------------------------------------------------------------

It is connectig to WLAN that performs these awful times