Qube 6.6 Complete Release Notes

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@RELEASE: 6.6-4

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==== CL 14162 ====
@FIX: issue where the supervisor, when starting secondary instances for a job, can preempt more instances than necessary-- i.e., preempt more instances than there are agenda items for the job.

ZD: 13969
JIRA: QUBE-1007

==== CL 14064 ====
@FIX: issue where global time-based callbacks (i.e., "dummy-time-self" callbacks) sometimes not triggering

ZD 13366
JIRA: QUBE-807

==== CL 13871 ====
@FIX: all cmds are passed to subprocess.Popen as raw strings now, no longer attempt to trap escape characters in Windows cmdlines,

==== CL 13845 ====
@FIX: the upgrade_supervisor upgrade/pre-install DB converter program (pre-6.5 to 6.5) was incorrectly addeing the subjobN table's "allocations" column with the type set to "integer", where it should have been "long text".

JIRA: QUBE-804

==== CL 13823 ====
@FIX: timing issue causing resetting/zero-ing the start time of agenda items when they are preempted, that can result in WV to incorrectly display huge elapsed frame times of 5500+ days.

ZD: 13409

==== CL 13737 ====
@FIX: add code to prevent premature retiring of running instances in requestwork(), due to the system incorrectly determining that a job has decreased the "cpus" count.

ZD: 13452

==== CL 13736 ====
@TWEAK: Adding comments and slightly better logging messages for worker heartbeat related areas of code.

==== CL 13717 ====
@FIX: Sketchup 2015 on Windows is now a 64-bit application, don't just look in C:\Program Files (x86) for Sketchup executable

==== CL 13667 ====
@INTERNAL FIX: fixed const-ness of some method arguments in QbPolicy and QbPolicyPerl modules

==== CL 13666 ====
@NEW: add perl 5.18 support for platforms that come preloaded with it (i.e., MacOS X 10.10 "Yosemite")

QUBE-756

==== CL 13658 ====
@FIX: problem with custom queuing algorithms where the qb_jobcmp, qb_hostcmp, and qb_reject perl routines are not properly being invoked when necessary.

ZD: 13231

##############################################################################

@RELEASE: 6.6-3

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==== CL 13391 ====
@FIX: checkDiskUsage.py missing from installation packages on linux, should be installed by qube-core.rpm

==== CL 13381 ====
@NEW: Added "worker_mode = desktop" or "worker_mode = service" to print to the workerlog at worker startup

==== CL 13365 ====
@FIX: "IOError: [Errno 5] Input/output error" occurs when trying to print to stdout or stderr in job instance with very verbose logging occurring

==== CL 13363 ====
@FIX: catch case where memusage datacollector returns agenda item name as a space

==== CL 13320 ====
@INTEG: main -> rel-6.6
-----
@FIX: add support for new 'exiting' state into data warehouse schema

==== CL 13252 ====
@NEW: add support for C4D R16

==== CL 13245 ====
@FIX: 'regex_error' matches against an error message that precedes a retry operation, fails the frame or instance even if it completes successfully this time.

==== CL 13233 ====
@FIX: don't report memory usage for items where the datacollector can't determine the agenda item's name

==== CL 13214 ====
@FIX: modified rpm spec file creating script to NOT assume .pyc/.pyo files for CentOS/RHEL 6.6 and above.

==== CL 13208 ====
@FIX: bug where preemption code will not properly work when running jobs have a "greedy" host.processors reservartions (such as "1+")

For example, this bug was causing high priority jobs with a requirement of
"host.processors.used eq 0" to NOT preempt low priority jobs running on a
multi-jobslot host with "host.processors = 1+".

ZD: 12512
JIRA: QUBE-632

==== CL 13126 ====
@FIX: add code to prevent more random worker crashes on Windows DU mode.

DU mode worker was occasionally found to kill it's own worker.exe and
workertray.exe processes when removing job processes.

==== CL 13066 ====
@NEW: Add SketchUp batch-render integration as an AppFinder job

==== CL 13058 ====
@FIX: When performing path translation, double-quote a converted path if it contains spaces and is not already quoted

##############################################################################

@RELEASE: 6.6-2

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==== CL 13031 ====
@FIX: manually reverting change made in CL12255 (for 6.5-3) to prevent possible job zombie processes, as it can cause a worse issue (BSOD) at times.

ZD12198

==== CL 13018 ====
@FIX: leading backslash on UNC paths is erroneously trimmed in python-based jobtypes during worker_path_map path conversion

==== CL 13017 ====
@FIX: path conversion not being done, is only applied if worker_path_map is present. Now is always attempted, will return the unaltered path if no path mappings defined.

==== CL 12998 ====
@FIX: corrected the name from "license_mode" to "license_model" in the return value of qb.ping(asDict=True) Python API call.

==== CL 12996 ====
@CHANGE: added "designer" or "unlimited" to be included in the string returned by the qbping() API call

@CHANGE: The python API routine, qb.ping(), when invoked as "qb.ping(asDict=True)", will return new dict elements "license_type" and "licence_mode", to represent the license type ("unlimited" or "designer"), and license mode ("subjob" or "host"), respectively.
("licenses_type", which incorrectly used to represent "license_mode", has been deprecated).

JIRA: QUBE-544

==== CL 12989 ====
@NEW: add supervisor_license_model and _license_type to qb.utils.ENUMS api module to provide mapping between integer and human-readable values

==== CL 12975 ====
@NEW: add "designer" and "unlimited" licensing support.

When "designer" licensing is in effect, as determined by the "type" field in the license file's supervisor section,
all worker nodes are forced to have worker_cpus (i.e., jobslots) of 1. Setting that parameter in the qb.conf or
qbwrk.conf has no effect.

JIRA: QUBE-538

##############################################################################

@RELEASE: 6.6-1

##############################################################################

==== CL 12839 ====
@FIX: install_worker.ubuntu would halt the installation process if the "qubeproxy" user exists but is not in /etc/passwd (which is valid when using networked authentications such as NIS and LDAP)

==== CL 12837 ====
@CHANGE: Linux supervisor install scripts fixes

@FIX: added code so that the install_supervisor.ubuntu script will not halt the entire installation if mysqld wasn't already running

@FIX: Removed stale code that added GRANT for root@'%'

==== CL 12831 ====
@FIX: added fix to work around a MySQL issue on Linux, where Unix socket connections can corrupt queries passed into it, making jobs disappear from GUI, or otherwise leave them in odd states ("failed" jobs with "running" instances, etc.)

The fix prohibits the use of Unix sockets on Linux, by overriding the value
of "database_socket" if set, and by disallowing setting "database_host" to
"localhost" in qb.conf

Also changed the default values of database_host to "127.0.0.1" and
database_socket to "" on Linux.

Modified so that the database parameters (not all) are printed to the
supelog and in the output of "qbadmin s -conf".

#################################################

@RELEASE: 6.6-0

#################################################

==== CL 12767 ====
@CHANGE: add/modified code so that qbadmin prints out human-readable strings, instead of just the integer representation, for supervisor_smart_share_mode, supervisor_smart_share_preempt_policy, supervisor_preempt_policy, supervisor_verbosity, supervisor_license_model, supervisor_default_security, and supervisor_default_group_security

@INTERNAL: changed the license model to be represented by an enum list, instead of just a #define.

JIRA: QUBE-501

==== CL 12700 ====
@FIX: fixed "WARNING: qb_default_string() unknown value[502]" message printed to supelog and workerlog

JIRA: QUBE-477

==== CL 12651 ====
@CHANGE: mxi cleanup operation deletes all but the target (merged) .mxi, uses a (required) external script

==== CL 12640 ====
@TWEAK: add human-readable message to print to the workerlog when task_for_pid() and host_statistics() routines return failure (for OS X)

==== CL 12609 ====
@NEW: added environment variables QB_FRAME_STATUS and QB_INSTANCE_STATUS to be set just before postflights are run.

These will be set to the status of the last-processed agenda item and
instance, respectively, to values such as "complete" and "failed".

==== CL 12608 ====
@NEW: added code to set "QB_SYSTEM_EXIT_CODE" environment variable to the return value of the "system()" function, when invoked via "qbsystem()".

This, in particular, should be useful when writing postflight programs for
cmdline or cmdrange backend jobs, to see if the last job process ran
successfully or not.

==== CL 12594 ====
@FIX: removed reference to the now-removed "dispatch_one_subjob" flag

==== CL 12566 ====
@FIX: failure when backing up or creating a new version of a config file should raise an error dialog, rather than just print the error to the WV logPane.

==== CL 12561 ====
@NEW: add Universal Callback feature. See online docs for details on usage.

JIRA: QUBE-233

==== CL 12557 ====
@NEW: add supervisor_universal_callback_path qb.conf parameter, which defaults to $QBDIR/callback

JIRA: QUBE-233

==== CL 12551 ====
@FIX:Fix Linux rpm uninstall for worker and supervisor so that their service is stopped during uninstall

==== CL 12547 ====
@CHANGE: modified the default my.cnf file that gets created on Windows, which includes getting rid of the "skip-grant-tables" option

JIRA: QUBE-251, QUBE-405

==== CL 12546 ====
@INTERNAL: modified how the supe MSI (actually, the qbservice command that gets invoked by it) stages things in order to call the "mysql_upgrade" utility.

Two ALTER statements were also added per the recommendation in the MySQL 5.1 -> 5.5.32+ upgrade doc.

JIRA: QUBE-251

@INTERNAL: modification
modified added (a lot of) code to make the stop_service() routine to block until the service has actually stopped, or the operation times out.

==== CL 12544 ====
@CHANGE: regex matches in all python-based jobtypes are now case-insensitive

==== CL 12528 ====
@FIX: qb.conf.template's commented-out default values for supervisor_heartbeat_interval and supervisor_heartbeat_timeout

==== CL 12527 ====
@INTERNAL: adding code to run "mysql_upgrade" whenthe supervisor installer installs mysql.

JIRA: QUBE-251

==== CL 12517 ====
@NEW: migrating Windows platforms (both 32- and 64-bit) to MySQL 5.5.37

modified .vcxproj files to point to the new version

JIRA: QUBE-251

==== CL 12509 ====
@NEW: Supervisor should check the disk space free for MySQL datadir (and log dir if local) on a regular basis, mail or log warnings if they're getting full

==== CL 12497 ====
@NEW: add "Smart Share" feature (aka "balanced auto-expand")

JIRA: QUBE-167

==== CL 12488 ====
@NEW: add '-g/--grep' to qbtail.py, acts like "tail -f <file> | grep", supports basic regex syntax

==== CL 12482 ====
@NEW:Supervisor and worker init scripts for Ubuntu.

==== CL 12478 ====
@TWEAK: added code to print supe config params after a "reread" is done.

==== CL 12472 ====
@NEW: python-based "Load Once" jobs now supported on Windows

==== CL 12467 ====
@FIX: timing issue causing instances to enter "QB_PREEMPT_MODE_FAIL" limbo state.

Job instances being preempted (interrupted, killed, etc) before their proxy
process had a chance to properly start up would cause the supe to put the
instance in a "QB_PREEMPT_MODE_FAIL" limbo, as evidenced in repeated error
messages like the following in the supelog:

"ERROR: requestWork(): subjob[2550.7] has preempt mode of QB_PREEMPT_MODE_FAIL. advising subjob to wait (and retry later)"

==== CL 12457 ====
@CHANGE: removed the "dispatch_one_subjob" flag

==== CL 12442 ====
@FIX: Fixed a corner-case MySQL permission problem with OS X & Linux supervisor and the qube_readonly user.

Fixed by adding a "GRANT SELECT" with an explicit hostname (fetched via
"SELECT @@hostname"), as in:

GRANT SELECT ON *.* TO 'qube_readonly'@'mysqlserverhostname'

JIRA: QUBE-438

==== CL 12358 ====
@FIX:Fixed example python scripts so import of qb module will work in most cases.

==== CL 12347 ====
@FIX: pyCmd* jobtypes report all subsequent frames as failing when a 'regex_error' is matched and a frame is marked as failed

==== CL 12339 ====
@FIX: fixed inaccurate worker host memory reporting on Windows platforms

ZD: 11367

==== CL 12338 ====
@TWEAK: added work.id to also print to the log in addtion to the work.name in QbDistribute.cpp updateWork() in the code that examines retry

==== CL 12333 ====
@FIX: worker shutdown code (QbWorker::hostShutdown() and sendHostReport()) will now give up a lot quicker when being unable to contact the supervisor, instead of retrying for a long time.

==== CL 12322 ====
@FIX: issue where job instances don't terminate properly when very early kill/interrupt orders come in.

Sometimes interrupts and kills can come in before the worker has a chance to properly complete the launching process of the proxy.exe process and its main thread, causing unexpected behavior, such as a never-dying job instance.

ZD: 11409

==== CL 12315 ====
@FIX: bug in initialization code of the QbJob class that messed up comparisons of jobs when sorting, which, among other things, prevented FIFO/FCFS ordering to be compromised. Now FIFO dispatching behavior should be more closely followed by jobs of equal priority (although not 100% strictly, due to the nature of the multithreaded architecture of the supervisor).

ZD: 11259

@INTERNAL TWEAK: added more debugging code to QbSupervisorQueue module.

==== CL 12311 ====
@FIX: adding in ubuntu support: use bash explicitly rather than sh, specify 'awk' in location found on all OS's

==== CL 12306 ====
@FIX: issue where auto-expanded subjobs (instances) don't inherit the "retrysubjob" value set in the parent job, causing them NOT to auto-retry properly on failure.

ZD: 11292

==== CL 12298 ====
@FIX: Python API routines, such as qb.retrywork(), expecting workID as input would behave erroneously (such as retrying ALL agenda items on ALL jobs) when input a subjobID instead. Vice versa for routines expecting subjobIDs, such as qb.retry().
These

ZD: 11372

==== CL 12295 ====
@NEW: add support for new 'exiting' status

==== CL 12286 ====
@INTERNAL: moving QbJobHostReference module to "common"

==== CL 12272 ====
@FIX: unreliable behavior when frequently modifying "cpus" of jobs up and down.
ZD: 11288

==== CL 12257 ====
@FIX: bug where auto-expand subjobs are incorrectly auto-retired, and in turn caused them NOT to expand any more.

ZD: 11217

==== CL 12255 ====
@FIX: issue where, if some intermediate job processes crash and die unexpectedly, other job processes may be missed by the cleanup code and left behind as zombies.

ZD: 11236

==== CL 12250 ====
@FIX: WorkerConfigFile makes a better effort at finding the worker config file, previously would save to default location when the file is actually in a non-default location as specified by supervisor_worker_configfile.

==== CL 12242 ====
@FIX: fixed incorrect const-ness in C++ QbJob module

==== CL 12237 ====
@FIX: avoid inserting duplicated values into the 'outputPaths' for a frame when retried

==== CL 12232 ====
@FIX: "UnboundLocalError: local variable 'qb' referenced before assignment" - issue experienced by single customer on linux, re-importing qb module in main() resolves the issue. ZD# 11218

==== CL 12230 ====
@FIX: additional fixes to remedy "retrywork" issue with maya (and possibly other Perl-API based) jobs. See also the previous CL12228

==== CL 12228 ====
@FIX: automatic retry of agenda via "retrywork" not working properly in perl-based backends.

ZD: 11167

==== CL 12226 ====
@FIX:Fix issue where job_cleanup script would fail if run on a supervisor that did not have the MySQLdb python module installed.

==== CL 12219 ====
@FIX: "sre_constants.error: bogus escape (end of line)" - python-based jobs can crash on Windows at startup if path wrapped in QB_CONVERT_PATH() ends with a fwd-slash and has being converted to a back-slash

==== CL 12215 ====
@CHANGE: allow Perl/Python API access to "agenda_timeout" value using the symbol "agendatimeout" as an alias.

JIRA: QUBE-395

==== CL 12211 ====
@CHANGE: add "perl" and "python" to the default supervisor_language_flags

@CHANGE: add "auto_wrangling" to the default value of supervisor_job_flags, to turn ON auto-wrangling by default

ZD: QUBE-386, QUBE-229

==== CL 12210 ====
@CHANGE: add "admin" privilege to default users, but for new installs only
@INTERNAL: refactored/tidied up the config_main code a bit.

JIRA: QUBE-248

==== CL 12207 ====
@CHANGE: made the supervisor_language_flags dynamically modifiable (i.e. "qbadmin s -reread"-able)

ZD: QUBE-357

==== CL 12206 ====
@NEW: allow "qbmodify" of the following additional fields: agenda_timeout, retrysubjob, retrywork, retrywork_delay, mailaddress

@CHANGE: the qbmodify command, and the modify() routines in the C++, Perl, and Python API were also changed to complete this improvement.

QUBE-368

==== CL 12177 ====
@FIX: Additional changes to support proper Windows privilege enabling, added in CL12176

==== CL 12176 ====
@FIX: Add call to Windows' AdjustTokenPrivileges() to explicitly enabled required privileges before launching job instance (proxy) process

==== CL 12123 ====
@CHANGE: made "stub_optimize" supervisor flag to be disabled by default.

==== CL 12117 ====
@INTERNAL: add QbTableVersion9 to upgrade_worker.vcxproj for Windows builds

==== CL 12098 ====
@FIX: support negative frame range in QB_* token parsing

==== CL 12082 ====
@FIX: issue where "modify"-ing the "cpus" value of a running job may incorrectly retire more instances than asked for.

This was due to race conditions of supe threads, and in extreme cases, was
prematurely retire-ing ALL instances of a job while there are still pending
agendas, resulting in the job's instances to be all "complete" but the job
itself to become "failed" since there are still pending agendas.

ZD: 10868

==== CL 12072 ====
@NEW: added flight-check support for pythonChildBackEnd.py-based jobtypes (i.e., pyHoudini and pyNuke)

@NEW: modified pyframe and helloWorld examples to properly support flight-checks

QUBE-254

==== CL 12065 ====
@INTERNAL TWEAK: added/modified/corrected comments and symbol names for readability

==== CL 12064 ====
@INTERNAL TWEAK: modified/corrected comments and symbol names for readability

==== CL 12056 ====
@NEW: add flight-check support to Perl and Python APIs (accessors for the job object parameters, "preflights", "postflights", "agenda_preflights" and "agenda_postflights").

QUBE-254

==== CL 12055 ====
@NEW: added flight-check feature, both job-level and agenda-level pre- and post-flights that run on workers before/after running the actual job instance or agenda item.

* site-admins may install flight-check scripts/programs to a location on the worker, pointed to by "worker_flight_check_path", a new qb.conf/qbwrk.conf parameter, which defaults to $QBDIR/flightCheck/. Job preflights and postflights, and agenda preflights and postflights, will be searched at the execution of every job, in $worker_flight_check_path/{instance,agenda}/{pre,post}.

* Note: flight-check scripts/programs must be executable (have the executable bit set) on Unix (OS X & Linux) platforms.

* Tip: *.txt files found in the flight-check folders are ignored.

* Jobs may also specify any number of job- and/or agenda-level pre/postflights at submission time. With the qbsub command, for example, the "-preflights", "-postflights", "-agenda_preflights" and "-agenda_postflights" can be used.

* flight-check programs should return 0 to indicate success, and non-zero for failure.

* if a job-level preflight fails, the instance is reported as failed, and the actual instance returns without running the job process.

* if a job-level postflight fails, the instance is reported as failed.

* if an agenda-level preflight fails, the agenda item is reported as failed, and its processing is skipped and the instance will move on to the next agenda item.

* if an agenda-level postflight fails, the agenda item is reported as failed.

QUBE-254

==== CL 12052 ====
@NEW: qbjobs to print flight-check info when "-l" option is given

QUBE-254

==== CL 12050 ====
@CHANGE: modified pyCmdrange back-end to handle the "failed" status that may be now returned by qb.requestwork() when an agenda preflight fails.

QUBE-254

==== CL 12045 ====
@FIX: fixed a bug where, for an empty string DB record, the DB::string() (e.g. called as in "itm.string(ELEM_NEXT)") routine sometimes returns the value of the previous non-empty record.

==== CL 12016 ====
@FIX: worker and supervisor install do not register for all users on Windows

==== CL 12006 ====
@FIX: ERROR 1146 (42S02) at line 87 in file: './create_job_fact.sql': Table 'pfx_stats.memusage' doesn't exist - swap order of table assignment and creation, some versions of MySQL are error'ing

==== CL 11993 ====
@CHANGE: modify QbApi.cpp's qbsystem() routine to return, as with system(3), -1 on error, or the exit code of the command that was run.

@CHANGE: modify all internal calls to qbsystem() (in types/cmd{range,line,file,grid,multi)/execute.cpp) to reflect the above change.

@CHANGE: general clean up of the code that determines the return value of qbsystem() routines in QbApi.cpp

@CHANGE: modify QbProxy::run() to expect the execute() functions in the exec_binding library (i.e., perl, python, dll, dso, dylib) to return 0 for success and non-zero for errors.

@CHANGE: modify the execute() routine in Qb{Python,Perl,Dso,Dll,Dylib}Lang.cpp modules to reflect the above change-- i.e., they return 0 for success and non-zero for errors.

==== CL 11989 ====
@FIX: worker_drive_map and worker_path_map not correctly saved via "Configure local host", format to match API updatelocalconfig expectations

==== CL 11987 ====
@FIX: localized the _user_duties and _prgp_duties IntHash variables to the queuereject() routine for thread-safety, from being data members of the supervisor class.

ZD: 10342

==== CL 11986 ====

@FIX: added code to appropriately handle timing issues where a command,
such as preemption, can be issued multiple times by different threads on
the same running subjob, leaving those jobs to be in odd states. One common
symptom was seeing the "aberrant report" message in the supelog, and those
jobs getting stuck in the "running" state despite all the frames being 100%
done.

==== CL 11985 ====

@FIX: converseWorkerWithRetries() and converseSubSupervisorWithRetries()
routines were fixed so that they properly return success when there are no
communication errors. These routines were retrying when the server
responded with a rpy.tag() of QB_MESSAGE_ERROR, which doesn't mean there
was a communication error, but rather means that the server encountered
some general internal error, causing unwanted retries.

ZD: 10527

==== CL 11982 ====
@FIX: contradictory job log entries saying a failed frame is being reported as complete when a few lines ago it was actually (correctly) reported as failed.

==== CL 11980 ====
@FIX: QB_CONVERT_PATH() not getting evaluated when worker_path_map is undefined or empty

==== CL 11963 ====
@FIX: catch jobs with package data the cause _qb.packageStrToDict to raise an exception

==== CL 11961 ====
@CHANGE: add additional sanity checks to cleanup script, limit number of log directory deletions to a fraction of total jobs in qube, can be overridden by option flag.

==== CL 11957 ====
@CHANGE: refactored and cleaned up proxy program's run() routine that dispatches different execution module depending on the "execute_binding" of the jobtype.
Removed the following legacy bindings: StaticPerl, Net (dot net), Tcl, and qbsystem.

==== CL 11931 ====
@CHANGE: create the backfill_fact (supervisor dispatch efficiency) dataWarehouse "12-hour" table every 5 minutes rather than every 15 to keep the chart data more current - full-range table is small enough to support this

==== CL 11915 ====
@FIX: fixed cross-dependency created in CL11893.

JIRA: QUBE-176

==== CL 11908 ====
@CHANGE: changed/added code to set up the following default my.cnf parameters

all OSs:
-------------------
query_cache_size = 0 # disable the query cache, hit rate is almost 0% due to qube being very write-intensive
thread_cache_size = 16 # acts like supervisor_idle_threads
Linux-only
-------------------
table_open_cache = 2500 # mysql will cache the file handles necessary to hold this number of tables f/h's
open_files_limit = 50000 # table_open_cache will drive the number of open files, MyISAM needs a max of 2 per table, but MySQL can also open other files past the table_open_cache*2 value - refer to: http://dev.mysql.com/doc/refman/5.1/en/table-cache.html

JIRA: QUBE-175

==== CL 11899 ====
@FIX: made the path map translations case-insensitive on OS X and Windows platforms.

@NEW: added 3rd optional parameter to QbString::replace(), which specifies the case-sensitivity, which defaults to TRUE.

JIRA: QUBE-177

==== CL 11898 ====
@NEW: add "scripts/find_corrupt_jobs.py" script, which finds jobs with corrupt database records (i.e. missing sub-tables, such as Nsubjob and Nwork) in the supervisor MySQL DB.

ZD: 10438

==== CL 11895 ====
@NEW: exposed the C API routine "qbisadmin()" as "qb.isadmin()" in Python API and "qb::isadmin()" in Perl API.

JIRA: QUBE-174

==== CL 11893 ====
@CHANGE: "qbadmin {s|w} -configuration" now displays both the integer AND string values of all "*_flags" (such as "supervisor_flags") parameters for readability

JIRA: QUBE-176

==== CL 11856 ====
@FIX: added code to fix jobs getting stuck in the "dying" state, that can occur due to race conditions.

Dispatched instances of jobs that were requested to be "killed" before they
properly finished starting up on the workers were ending up getting stuck
in the "dying" state.

ZD: 10369

==== CL 11850 ====
@FIX: C4D AppFinder jobs crash when paths or filenames wrapped in QB_CONVERT_PATH() start with a number

==== CL 11829 ====
@FIX: Issue with grid jobs where some instances would start running multiple times on the dispatched host, causing the job to eventually fail.

ZD: 10325

==== CL 11828 ====
@FIX: graceful worker shutdown on Windows (service mode)

==== CL 11820 ====
@FIX: disable permission check of worker_logpath, as it was creating false-alarms and putting the worker to be in panic mode unnecessarily.

ZD: 5445 5236
BUGZID: 63683

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