 02 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
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I maintain the tsi148 and the universe-II drivers. I confirm -KO6 is my latest
version, last updated for 32-bit Debian-11, and we still use it at TRIUMF.
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02 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > huge log file and filling system disk to 100% capacity
> perhaps use existing logrotate, add limit on file size (size) and limit of 2 old log files (rotate).
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03 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
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> Here is the output:
>
> vmic_mmap: Mapped VME AM 0x0d addr 0x00000000 size 0x00ffffff at address 0x80a01000
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03 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > > Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > > huge log file and filling system disk to 100% capacity
> > perhaps use existing logrotate, add limit on file size (size) and limit of 2 old log files (rotate).
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04 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
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> I can compile 32 bit midas. Unless I am interpreting the linking error, I don't
> think I can use the driver as built.
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09 Aug 2023, Konstantin Olchanski, Forum, pull request for PostgreSQL support
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> The compilation of midas was broken by the last modification. The reason is that
> Pgsql *fPgsql = NULL;
> was not protected by #ifdef HAVE_PGSQL
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09 Aug 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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I confirm I see same on the agmini system. Two problems: (a) error message is wrong, it's a
short read, not a read error (clue: read() syscall does not return "no such file"). (b)
mlogger is supposed to write history in record-size blocks, read in the same record size
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09 Aug 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
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> > RFE filed:
> > https://bitbucket.org/tmidas/midas/issues/367/odb-should-be-saved-to-disk-periodically
>
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 09 Aug 2023, Konstantin Olchanski, Bug Fix, Stefan's improved ODB flush to disk
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This is an important improvement, should have a post of it's own. K.O.
> > > RFE filed:
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14 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> Our default configuration of apache httpd logs every request.
> MIDAS custom web pages can easily make a huge number of RPC calls creating a
> huge log file and filling system disk to 100% capacity.
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15 Aug 2023, Konstantin Olchanski, Info, mlogger update
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A bit of update to the mlogger. In preparation for more cleanup when Stefan is
here at TRIUMF.
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16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
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I started to get web browser popups about "midas wants to show notifications,
block/allow/x". is this a glitch or a new unannounced/undocumented feature?
google chrome on macos. K.O. |
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16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
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> This feature was asked by some people ...
"show notifications" popups are strongly associated with disreputable web sites (presumably to
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16 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > Our default configuration of apache httpd logs every request.
> > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > huge log file and filling system disk to 100% capacity.
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17 Aug 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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Confirmed. The error message is wrong. It is printed after a short read(), but short read() does not
set errno, and errno reported by the error message is from some previous syscall. Corrected error
message is already committed. K.O.
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17 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
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> > > Our default configuration of apache httpd logs every request.
> > > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > > huge log file and filling system disk to 100% capacity.
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14 Sep 2023, Konstantin Olchanski, Forum, Hide start and stop buttons
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I believe the original "hide run start / stop" was added specifically for ND280 GSC MIDAS. I do not know
why it was removed. "hide pause / resume" is still there. I will restore them. Hiding logger channel
section should probably be automatic of there is no /logger/channels, I can check if it works and what
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03 Oct 2023, Konstantin Olchanski, Bug Fix, wrong array size after loading xml or json file
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both the xml and the json decoders have a bug (fix pending). loading saved odb
from xml and json file did not truncate arrays in odb to the size of arrays in
the file. for example, if /example/double_array has size 20 in odb, but size 5
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06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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> Still get the same error with the latest version:
> 3:28 [mhttpd,ERROR] [history_schema.cxx:2913:FileHistory::read_data,ERROR] Cannot read
> '/data2/history/mhf_1692391703_20230818_hv_tc.dat', read() errno 2 (No such file or directory)
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06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
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> two fixes forthcoming:
> a) check for short read in the 2nd place that I missed
> b) two write() are replaced by 2 memcpy() to a preallocated buffer and 1 write()
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