 31 Mar 2022, Konstantin Olchanski, Bug Fix, "run stop" trouble in mlogger, fixed
|
while debugging something else, I ran into a bit of trouble in mlogger.
I set the mlogger event limit to 100, and after reaching 100 events, mlogger
|
 04 Apr 2022, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> Anybody some idea what the maximum ODB size can be?
It turns out ODB size limit is hardwired on db_open_database() at 100 Mbytes.
|
|
12 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
|
> > > > odbedit can now save ODB in JSON-formatted files.
> > encode NaN, Inf and -Inf as JSON string values "NaN", "Infinity" and "-Infinity". (Corresponding to the respective Javascript values).
> http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html
|
|
13 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
|
> > Per xkcd, there is a new json standard "json5". In addition to other things, numeric
> > values NaN, +Infinity and -Infinity are encoded as literals NaN, Infinity and -Infinity (without quotes):
> > https://spec.json5.org/#numbers
|
|
24 Apr 2022, Konstantin Olchanski, Bug Fix, mserver buffer overrun and crash
|
There is a memory allocation bug in the mserver.
ALIGN8() was missing when receiving events from the event socket and data buffer
|
|
30 Apr 2022, Konstantin Olchanski, Forum, S3 Object Storage
|
> We are storing raw MIDAS files to S3 Object Storage, but MIDAS file are not
> optimised for readout from such kind of storage. There is any work around on
> evolution of midas raw output or, beyond simulated posix fs, to develop midas
|
|
30 Apr 2022, Konstantin Olchanski, Info, added web pages for "show odb clients" and "show open records"
|
for a long time, midas web pages have been missing the equivalent of odbedit
"scl" and "sor" to display current odb clients and current odb open records.
|
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
added JSON RPC for bm_receive_event() and added a web page for "mdump".
the event dump is a hex dump for now.
|
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
> added JSON RPC for bm_receive_event()
there is a number of problems with implementing bm_receive_event() as a RPC:
|
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
> added a web page for "mdump".
missing functions:
|
|
04 May 2022, Konstantin Olchanski, Bug Fix, mysql history update
|
the code for writing midas history to mysql has been updated to work against
MYSQL 8.0.23 (CERN ALPHA-2):
|
|
08 May 2022, Konstantin Olchanski, Info, RO_STOPPED with triggered events
|
> If events are sent when a run is stopped, this leads to many unexpected results
I think we need to understand what these unexpected results are.
|
|
08 May 2022, Konstantin Olchanski, Info, RO_STOPPED with triggered events
|
> some old front-end are not running any more since they do use RO_ALWAYS together with
triggered events.
|
|
13 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
introduction:
to remember, bm_send_event() writes an event to the write cache, bm_flush_cache()
|
|
16 May 2022, Konstantin Olchanski, Info, RO_STOPPED with triggered events
|
> > some old front-end are not running any more since they do use RO_ALWAYS together with
> triggered events.
>
|
|
16 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
> for correct operation of bm_send_event() under all conditions we need to ...
to continue computation from last message:
|
|
16 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
> > for correct operation of bm_send_event() under all conditions we need to ...
> to continue computation from last message:
|
|
16 May 2022, Konstantin Olchanski, Bug Fix, mserver buffer overrun and crash
|
> There is a memory allocation bug in the mserver.
Fix for this problem introduced a new problem, an infinite loop in bm_flush_cache,
|
|
17 May 2022, Konstantin Olchanski, Info, MIDAS switched to C++
|
> Hi, I have three naive questions about this:
all good questions, ask more of them.
|
|
18 Jul 2022, Konstantin Olchanski, Bug Report, RPC timeout for manalyzer over network
|
> In ALPHA, I get RPC timeouts running a (reasonably heavy) analyzer on a remote machine (connected directly via a ~30 meter 10Gbe Ethernet cable) after
~5 minutes of running. If I run the analyser locally, I dont not see a timeout...
|