Hi Carsten, thanks for the confirmation :)yes, I painted myself somewhat into a corner here - probably the 'simplest' might be to unpack/parse/free/repeat in batches of the archived histories.
Cheers and thanks, Thomas On 14/10/2021 12.11, Carsten Aulbert wrote:
Hi On 14.10.21 12:01, Thomas Hartmann wrote:Probably condor_history is doing a seek - which probably does not really harmonize with the pipe's stream, or?it does as strace -f condor_history -file <(zcat history.gz) ends with openat(AT_FDCWD, "/proc/self/fd/11", O_RDONLY) = 3fcntl(3, F_GETFL)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = 0x8000 (flags O_RDONLY|O_LARGEFILE)fstat(3, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 fstat(3, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 lseek(3, 0, SEEK_END)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = -1 ESPIPE (Illegal seek) lseek(3, 0, SEEK_CUR)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = -1 ESPIPE (Illegal seek) lseek(3, -4096, SEEK_SET)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = -1 ESPIPE (Illegal seek) lseek(3, 0, SEEK_SET)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = -1 ESPIPE (Illegal seek) close(3)ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ = 0unfortunately, I don't know of any method to make named pipes seek-able or condor_history work on compressed files :(Just uncompress to /dev/shm, work on it and remove it again? Sorry, for not being really helpful Carsten
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