[mythtv-users] Mythfilldatabase taking FOREVER

Larry Kennedy lunchtimelarry at gmail.com
Sun Jun 5 02:27:08 UTC 2022


On Sat, Jun 4, 2022 at 10:21 PM Larry Kennedy <lunchtimelarry at gmail.com>
wrote:

>
>
> On Sat, Jun 4, 2022 at 9:33 PM Larry Kennedy <lunchtimelarry at gmail.com>
> wrote:
>
>> Recently, I'm noticing that mythfilldtabase is taking something like 12
>> hours to finish. I know we had some issues with SD and the backend
>> maintenance, so not sure if that has been fully resolved.
>>
>> I'm on Ubuntu 18.04 and mythtv v30.0.  I use the sdjson_sqlite grabber
>> v1.109 and xmltv v0.5.70.  I only have about 100 channels set as "selected"
>> in the sqlite database.
>>
>> Mythfilldatabase sits forever on the message "pruning local database"
>>
>> I see very low CPU utilization on a four vCPU i7 VM with 8GB RAM.
>>
>> Any thoughts on why this is taking so long?
>>
>> Larry
>>
>
> More log details:  With system,xmltv logging turned on, I see that it is
> taking up to 20 seconds per program to insert:
>
> 2022-06-04 22:15:41.833789 I  Removing existing program:
> 2022-06-17T00:00:00Z - 2022-06-17T00:51:00Z
> I114759.json.schedulesdirect.org Dark Winds
> 2022-06-04 22:15:42.257005 I  Inserting new program    :
> 2022-06-17T00:00:00Z - 2022-06-17T00:51:00Z
> I114759.json.schedulesdirect.org Dark Winds
> 2022-06-04 22:15:47.151660 I  Removing existing program:
> 2022-06-17T00:51:00Z - 2022-06-17T01:42:00Z
> I114759.json.schedulesdirect.org Dark Winds
> 2022-06-04 22:15:47.784472 I  Inserting new program    :
> 2022-06-17T00:51:00Z - 2022-06-17T01:42:00Z
> I114759.json.schedulesdirect.org Dark Winds
> 2022-06-04 22:15:54.196309 I  Inserting new program    :
> 2022-06-21T03:11:00Z - 2022-06-21T03:56:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:16:17.185399 I  Inserting new program    :
> 2022-06-21T03:56:00Z - 2022-06-21T04:41:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:16:33.053704 I  Inserting new program    :
> 2022-06-21T04:41:00Z - 2022-06-21T05:26:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:16:50.177901 I  Inserting new program    :
> 2022-06-21T05:26:00Z - 2022-06-21T06:19:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:17:04.171445 I  Inserting new program    :
> 2022-06-21T06:19:00Z - 2022-06-21T07:05:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:17:17.125686 I  Inserting new program    :
> 2022-06-21T07:05:00Z - 2022-06-21T07:50:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:17:40.029102 I  Inserting new program    :
> 2022-06-21T07:50:00Z - 2022-06-21T08:35:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:17:58.823123 I  Inserting new program    :
> 2022-06-21T08:35:00Z - 2022-06-21T09:17:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:18:15.070319 I  Inserting new program    :
> 2022-06-21T09:17:00Z - 2022-06-21T10:00:00Z
> I114759.json.schedulesdirect.org Fear the Walking Dead
> 2022-06-04 22:18:35.823610 I  Inserting new program    :
> 2022-06-21T10:00:00Z - 2022-06-21T10:51:00Z
> I114759.json.schedulesdirect.org The Walking Dead
> 2022-06-04 22:18:59.061001 I  Inserting new program    :
> 2022-06-21T10:51:00Z - 2022-06-21T11:40:00Z
> I114759.json.schedulesdirect.org The Walking Dead
> 2022-06-04 22:19:18.485766 I  Inserting new program    :
> 2022-06-21T11:40:00Z - 2022-06-21T12:40:00Z
> I114759.json.schedulesdirect.org The Walking Dead
>
> Does that seem right?
>

Sorry for the repeated messages, but here is more of the log leading up to
the messages above:

2022-06-04 22:11:36.099986 N  Enabled verbose msgs:  general system xmltv
2022-06-04 22:11:36.099991 N  Setting Log Level to LOG_INFO
2022-06-04 22:11:36.110650 I  Setup Interrupt handler
2022-06-04 22:11:36.110657 I  Setup Terminated handler
2022-06-04 22:11:36.110661 I  Setup Segmentation fault handler
2022-06-04 22:11:36.110666 I  Setup Aborted handler
2022-06-04 22:11:36.110670 I  Setup Bus error handler
2022-06-04 22:11:36.110674 I  Setup Floating point exception handler
2022-06-04 22:11:36.110677 I  Setup Illegal instruction handler
2022-06-04 22:11:36.110683 I  Setup Real-time signal 0 handler
2022-06-04 22:11:36.110686 I  Setup Hangup handler
2022-06-04 22:11:36.110762 N  Using runtime prefix = /usr
2022-06-04 22:11:36.110764 N  Using configuration directory =
/home/myuser/.mythtv
2022-06-04 22:11:36.110807 I  Assumed character encoding: en_US.UTF-8
2022-06-04 22:11:36.111004 I  Empty LocalHostName. This is typical.
2022-06-04 22:11:36.111008 I  Using a profile name of: 'myhost' (Usually
the same as this host's name.)
2022-06-04 22:11:36.111043 I  Start up testing connections. DB localhost,
BE , attempt 0, status dbAwake, Delay: 2000
2022-06-04 22:11:36.111663 I  Added logging to the console
2022-06-04 22:11:37.118747 N  Setting QT default locale to en_US
2022-06-04 22:11:37.118754 I  Current locale en_US
2022-06-04 22:11:37.118779 N  Reading locale defaults from
/usr/share/mythtv//locales/en_us.xml
2022-06-04 22:11:37.121802 I  Loading en_us translation for module
mythfrontend
2022-06-04 22:11:37.122930 I  Current MythTV Schema Version (DBSchemaVer):
1350
2022-06-04 22:11:37.124309 I  MythCoreContext::ConnectCommandSocket():
Connecting to backend server: 192.168.1.200:6543 (try 1 of 1)
2022-06-04 22:11:37.125053 I  MythCoreContext::CheckProtoVersion(): Using
protocol version 91 BuzzOff
2022-06-04 22:11:37.125480 I  Opening blocking connection to master backend
2022-06-04 22:11:37.191341 I  Updating source #2 (sd) with grabber
tv_grab_zz_sdjson_sqlite
2022-06-04 22:11:37.191711 I  Found 1357 channels for source 2 which use
grabber
2022-06-04 22:11:37.191899 I  Starting process manager
2022-06-04 22:11:37.192755 I  Starting IO manager (read)
2022-06-04 22:11:37.192886 I  Managed child (PID: 589) has started! *
command=tv_grab_zz_sdjson_sqlite --capabilities, timeout=25
2022-06-04 22:11:37.193059 I  Starting process signal handler
2022-06-04 22:11:37.193097 I  Starting IO manager (write)
2022-06-04 22:11:37.594832 I  Managed child (PID: 589) has exited!
command=tv_grab_zz_sdjson_sqlite --capabilities, status=0, result=0
2022-06-04 22:11:37.643913 I  Grabber has capabilities: baseline
manualconfig preferredmethod lineups apiconfig
2022-06-04 22:11:37.644788 I  Managed child (PID: 591) has started! *
command=tv_grab_zz_sdjson_sqlite --preferredmethod, timeout=15
2022-06-04 22:11:38.066778 I  Managed child (PID: 591) has exited!
command=tv_grab_zz_sdjson_sqlite --preferredmethod, status=0, result=0
2022-06-04 22:11:38.094620 I  Grabber prefers method: allatonce
2022-06-04 22:11:38.095203 I  XMLTV config file is:
/home/myuser/.mythtv/sd.xmltv
2022-06-04 22:11:39.365187 I  Grabber Command: nice
tv_grab_zz_sdjson_sqlite --config-file '/home/myuser/.mythtv/sd.xmltv'
--output /tmp/mythKBJFcR
2022-06-04 22:11:39.365192 I  ----------------- Start of XMLTV output
-----------------
2022-06-04 22:11:39.366077 I  Managed child (PID: 593) has started! *
command=nice tv_grab_zz_sdjson_sqlite --config-file
'/home/myuser/.mythtv/sd.xmltv' --output /tmp/mythKBJFcR, timeout=0
2022-06-04 22:11:59.161162 I  Managed child (PID: 593) has exited!
command=nice tv_grab_zz_sdjson_sqlite --config-file
'/home/myuser/.mythtv/sd.xmltv' --output /tmp/mythKBJFcR, status=0, result=0
2022-06-04 22:11:59.182220 I  ------------------ End of XMLTV output
------------------
2022-06-04 22:12:04.736720 I  Managed child (PID: 595) has started! *
command=/usr/share/mythtv/metadata/Movie/tmdb3.py -v, timeout=0
2022-06-04 22:12:04.777034 I  Managed child (PID: 595) has exited!
command=/usr/share/mythtv/metadata/Movie/tmdb3.py -v, status=0, result=0
2022-06-04 22:12:04.798490 I  Managed child (PID: 597) has started! *
command=/usr/share/mythtv/metadata/Television/ttvdb.py -v, timeout=0
2022-06-04 22:12:04.939212 I  Managed child (PID: 597) has exited!
command=/usr/share/mythtv/metadata/Television/ttvdb.py -v, status=0,
result=0
2022-06-04 22:12:10.832530 I  Cardutil: HDHomeRun Cablecard Present.
2022-06-04 22:12:10.851533 I  Cardutil: HDHomeRun Cablecard Present.
2022-06-04 22:12:10.870566 I  Cardutil: HDHomeRun Cablecard Present.
2022-06-04 22:12:10.873583 N  Match found for xmltvid
I102337.json.schedulesdirect.org to channel QVC3 HD (20925)
2022-06-04 22:12:10.875195 N  Match found for xmltvid
I104089.json.schedulesdirect.org to channel Olympic Channel (20822)
2022-06-04 22:12:10.876813 N  Match found for xmltvid
I114759.json.schedulesdirect.org to channel AMC + (20892)
2022-06-04 22:12:10.878373 N  Match found for xmltvid
I19578.json.schedulesdirect.org to channel WRCDT (WRC-DT) (20804)
2022-06-04 22:12:10.879904 N  Match found for xmltvid
I19579.json.schedulesdirect.org to channel WJLADT (WJLA-DT) (20807)
2022-06-04 22:12:10.881558 N  Match found for xmltvid
I19580.json.schedulesdirect.org to channel WUSADT (WUSA-DT) (20809)
2022-06-04 22:12:10.883091 N  Match found for xmltvid
I19581.json.schedulesdirect.org to channel WETADT (WETA-DT) (20800)
2022-06-04 22:12:10.884677 N  Match found for xmltvid
I20367.json.schedulesdirect.org to channel WTTGDT (WTTG-DT) (20805)
2022-06-04 22:12:10.886282 N  Match found for xmltvid
I26195.json.schedulesdirect.org to channel WPXWDT (WPXW-DT) (20813)
2022-06-04 22:12:10.887903 N  Match found for xmltvid
I31046.json.schedulesdirect.org to channel MOTORTREND HD (20870)
2022-06-04 22:12:10.889545 N  Match found for xmltvid
I32537.json.schedulesdirect.org to channel NBC Sports Washington HD
.....
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