Control: tags -1 + moreinfo

Hi Jiri,

2016-06-09 02:42 Jiri Palecek:

Then I looked at the file descriptors that were open:
[...]
aptitude 2856 root    0u   CHR  136,2      0t0       5 /dev/pts/2
aptitude 2856 root    1u   CHR  136,2      0t0       5 /dev/pts/2
aptitude 2856 root    2u   CHR  136,2      0t0       5 /dev/pts/2
aptitude 2856 root    3uW  REG    8,6        0 2474525 /var/lib/dpkg/lock
aptitude 2856 root    4r   REG    8,6  4413957 2475249 /var/lib/dpkg/status
aptitude 2856 root    5r   REG    8,6    48049 2064548 
/var/lib/apt/lists/_home_jirka_public%5fhtml_ltp_dists_sid_main_binary-i386_Packages
aptitude 2856 root    6r   REG    8,6    22244 2064707 
/var/lib/apt/lists/emacs.naquadah.org_unstable_Packages
aptitude 2856 root    7r   REG    8,6     7692 2065017 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_i18n_Translation-en.lz4
aptitude 2856 root    8r   REG    8,6     9603 2065060 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_binary-i386_Packages.lz4
aptitude 2856 root    9r   REG    8,6     4606 2065265 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_i18n_Translation-en.lz4
aptitude 2856 root   10r   REG    8,6     6224 2065213 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_binary-i386_Packages.lz4
aptitude 2856 root   11r   REG    8,6   371262 2065168 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_main_i18n_Translation-en.lz4
aptitude 2856 root   12r   REG    8,6   755795 2065166 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_main_binary-i386_Packages.lz4
aptitude 2856 root   13r   REG    8,6   134176 2065093 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_non-free_i18n_Translation-en.lz4
aptitude 2856 root   14r   REG    8,6   127605 2064999 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   15r   REG    8,6    81846 2065091 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_contrib_i18n_Translation-en.lz4
aptitude 2856 root   16r   REG    8,6    93960 2065094 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_contrib_binary-i386_Packages.lz4
aptitude 2856 root   17r   REG    8,6  9964496 2065162 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_i18n_Translation-en.lz4
aptitude 2856 root   18r   REG    8,6   967240 2065167 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_i18n_Translation-cs.lz4
aptitude 2856 root   19r   REG    8,6 15028352 2065059 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_binary-i386_Packages.lz4
aptitude 2856 root   20r   REG    8,6   126208 2065195 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_non-free_i18n_Translation-en.lz4
aptitude 2856 root   21r   REG    8,6   139261 2065124 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_non-free_binary-i386_Packages.lz4
aptitude 2856 root   22r   REG    8,6    74845 2064698 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_contrib_i18n_Translation-en.lz4
aptitude 2856 root   23r   REG    8,6    99424 2065072 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_contrib_binary-i386_Packages.lz4
aptitude 2856 root   24r   REG    8,6  9510768 2065084 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_i18n_Translation-en.lz4
aptitude 2856 root   25r   REG    8,6   931870 2065147 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_i18n_Translation-cs.lz4
aptitude 2856 root   26r   REG    8,6 16558917 2065078 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_binary-i386_Packages.lz4
aptitude 2856 root   27r   REG    8,6     9750 2065281 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_experimental_main_binary-i386_Packages.lz4
aptitude 2856 root   28r   REG    8,6     8969 2065243 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_unstable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   29r   REG    8,6   337438 2065144 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_unstable_main_binary-i386_Packages.lz4
aptitude 2856 root   30r   REG    8,6     9351 2065222 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_stable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   31r   REG    8,6   319256 2065136 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_stable_main_binary-i386_Packages.lz4
aptitude 2856 root   32r   REG    8,6     9346 2065218 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_non-free_binary-i386_Packages.lz4
aptitude 2856 root   33r   REG    8,6   338152 2065080 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_main_binary-i386_Packages.lz4
aptitude 2856 root   34uW  REG   0,20        0   38732 /run/lock/aptitude
aptitude 2856 root   35r   REG    8,6  4413957 2475249 /var/lib/dpkg/status
aptitude 2856 root   36r   REG    8,6    48049 2064548 
/var/lib/apt/lists/_home_jirka_public%5fhtml_ltp_dists_sid_main_binary-i386_Packages
aptitude 2856 root   37r   REG    8,6    22244 2064707 
/var/lib/apt/lists/emacs.naquadah.org_unstable_Packages
aptitude 2856 root   38r   REG    8,6     7692 2065017 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_i18n_Translation-en.lz4
aptitude 2856 root   39r   REG    8,6     9603 2065060 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_binary-i386_Packages.lz4
aptitude 2856 root   40r   REG    8,6     4606 2065265 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_i18n_Translation-en.lz4
aptitude 2856 root   41r   REG    8,6     6224 2065213 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_binary-i386_Packages.lz4
aptitude 2856 root   42r   REG    8,6   371262 2065168 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_main_i18n_Translation-en.lz4
aptitude 2856 root   43r   REG    8,6   755795 2065166 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_main_binary-i386_Packages.lz4
aptitude 2856 root   44r   REG    8,6   134176 2065093 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_non-free_i18n_Translation-en.lz4
aptitude 2856 root   45r   REG    8,6   127605 2064999 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   46r   REG    8,6    81846 2065091 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_contrib_i18n_Translation-en.lz4
aptitude 2856 root   47r   REG    8,6    93960 2065094 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_contrib_binary-i386_Packages.lz4
aptitude 2856 root   48r   REG    8,6  9964496 2065162 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_i18n_Translation-en.lz4
aptitude 2856 root   49r   REG    8,6   967240 2065167 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_i18n_Translation-cs.lz4
aptitude 2856 root   50r   REG    8,6 15028352 2065059 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_unstable_main_binary-i386_Packages.lz4
aptitude 2856 root   51r   REG    8,6   126208 2065195 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_non-free_i18n_Translation-en.lz4
aptitude 2856 root   52r   REG    8,6   139261 2065124 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_non-free_binary-i386_Packages.lz4
aptitude 2856 root   53r   REG    8,6    74845 2064698 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_contrib_i18n_Translation-en.lz4
aptitude 2856 root   54r   REG    8,6    99424 2065072 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_contrib_binary-i386_Packages.lz4
aptitude 2856 root   55r   REG    8,6  9510768 2065084 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_i18n_Translation-en.lz4
aptitude 2856 root   56r   REG    8,6   931870 2065147 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_i18n_Translation-cs.lz4
aptitude 2856 root   57r   REG    8,6 16558917 2065078 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_testing_main_binary-i386_Packages.lz4
aptitude 2856 root   58r   REG    8,6     9750 2065281 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_experimental_main_binary-i386_Packages.lz4
aptitude 2856 root   59r   REG    8,6     8969 2065243 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_unstable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   60r   REG    8,6   337438 2065144 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_unstable_main_binary-i386_Packages.lz4
aptitude 2856 root   61r   REG    8,6     9351 2065222 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_stable_non-free_binary-i386_Packages.lz4
aptitude 2856 root   62r   REG    8,6   319256 2065136 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_stable_main_binary-i386_Packages.lz4
aptitude 2856 root   63r   REG    8,6     9346 2065218 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_non-free_binary-i386_Packages.lz4
aptitude 2856 root   64r   REG    8,6   338152 2065080 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_main_binary-i386_Packages.lz4
aptitude 2856 root   65r   REG    8,6   262053 2065073 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_main_source_Sources.lz4
aptitude 2856 root   66r   REG    8,6   262053 2065073 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_main_source_Sources.lz4
aptitude 2856 root   67r   REG    8,6     6575 2065169 
/var/lib/apt/lists/debian-mirrors.sdinet.de_deb-multimedia_dists_testing_non-free_source_Sources.lz4
aptitude 2856 root   68r   REG    8,6     7692 2065017 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_i18n_Translation-en.lz4
aptitude 2856 root   69r   REG    8,6     9603 2065060 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_non-free_binary-i386_Packages.lz4
aptitude 2856 root   70r   REG    8,6     4606 2065265 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_i18n_Translation-en.lz4
aptitude 2856 root   71r   REG    8,6     6224 2065213 
/var/lib/apt/lists/ftp.cz.debian.org_debian_dists_experimental_contrib_binary-i386_Packages.lz4
... and so on

Did you actually see more file descriptors here, at the point where you
cut the text?

With apt 1.2.13 installed, fixing LZ4 and other leaks, I can see 2
"copies" of the file descriptors as above (probably because aptitude
creates threads for the UI, downloads, etc), but no matter what I do, I
cannot see more than 2 "copies" of the descriptors.

Depending on the operation (package lists updates, package downloads,
installations), I see a few more, including pipes, but not many more
than that.  So that means, far below 1083 -- something like 30.


If they were indeed leaks, I can see how having a long-running session
of aptitude and updating available packages many times, could have
caused this.  Were you using aptitude in that way?

However, I downgraded apt packages to 1.2.12 (before the fix for LZ4
leaks), set the options to keep indices compressed etc., repeated the
operations described above, and similar results -- only 20~30 file
descriptors.


So I am a bit out of clues.


Cheers.
--
Manuel A. Fernandez Montecelo <[email protected]>

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