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MediaPortal 1
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Memory leak in TVService
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<blockquote data-quote="RonD" data-source="post: 1283435" data-attributes="member: 117536"><p>Figured out how to setup windows "Performance Monitor" tool to monitor/track tvservice memory usage. Configured to take snapshot of memory usage info once/minute for 12 hours. The numbers on the vertical axis are scaled by a factor of 1 million, so 500 = 500MB etc.</p><p></p><p>Did manual tvserver stop/start at about 8:10 am, let run all day</p><p></p><p>Looked at data around 7pm, with PerfMon tool looked data for 2 values</p><p></p><p>Gen2 heap, starts 3.4 MB grew to 642 MB.</p><p>Working Set, starts 60 MB grew to 766 MB.</p><p></p><p>Looks like the garbage collector cleanup ran at about 6PM and memory usage sees big drop. Gen2 heap dropped to 50-60 MB. Working Set dropped to 150 MB or so</p><p></p><p>Left running overnight and get 2nd picture 8:44am. Looks like garbage collector ran around 3AM and memory usage see another big drop.</p><p></p><p>strangely the 2 garbage collector run seem to match up to with how I grab EPG data from schedules direct at 6pm/3am and do tvguide.xml import. Seems like garbage collector runs are triggered as side effect xmltv-plugin and EPG update.</p><p></p><p>[CODE][2021-03-19 17:58:20,025] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv importing L:\MePo\xmltv\meposd\tvguide.xml</p><p>[2021-03-19 18:05:23,517] [Log ] [XmlTvImporter] [INFO ] - Xmltv: waiting for database to finish inserting imported programs.</p><p>[2021-03-19 18:11:03,487] [Log ] [SQL EPG importer] [INFO ] - schedule.SynchProgramStatesForAll</p><p>[2021-03-19 18:11:08,230] [Log ] [SQL EPG importer] [DEBUG] - BusinessLayer: InsertProgramsThread exiting</p><p>[2021-03-19 18:11:08,230] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv import done</p><p></p><p>[2021-03-20 03:12:24,905] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv importing L:\MePo\xmltv\meposd\tvguide.xml</p><p>[2021-03-20 03:12:26,979] [Log ] [XmlTvImporter] [INFO ] - Xmltv: waiting for database to finish inserting imported programs.</p><p>[2021-03-20 03:19:42,724] [Log ] [SQL EPG importer] [INFO ] - schedule.SynchProgramStatesForAll</p><p>[2021-03-20 03:19:48,073] [Log ] [SQL EPG importer] [DEBUG] - BusinessLayer: InsertProgramsThread exiting</p><p>[2021-03-20 03:19:48,073] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv import done</p><p>[/CODE]</p><p></p><p>As an experiment modified how task manager runs EPG download to skip 6pm tonight. Will be curious to see what happens and when garbage collector runs. Maybe [USER=82144]@mm1352000[/USER] and have some comments.</p></blockquote><p></p>
[QUOTE="RonD, post: 1283435, member: 117536"] Figured out how to setup windows "Performance Monitor" tool to monitor/track tvservice memory usage. Configured to take snapshot of memory usage info once/minute for 12 hours. The numbers on the vertical axis are scaled by a factor of 1 million, so 500 = 500MB etc. Did manual tvserver stop/start at about 8:10 am, let run all day Looked at data around 7pm, with PerfMon tool looked data for 2 values Gen2 heap, starts 3.4 MB grew to 642 MB. Working Set, starts 60 MB grew to 766 MB. Looks like the garbage collector cleanup ran at about 6PM and memory usage sees big drop. Gen2 heap dropped to 50-60 MB. Working Set dropped to 150 MB or so Left running overnight and get 2nd picture 8:44am. Looks like garbage collector ran around 3AM and memory usage see another big drop. strangely the 2 garbage collector run seem to match up to with how I grab EPG data from schedules direct at 6pm/3am and do tvguide.xml import. Seems like garbage collector runs are triggered as side effect xmltv-plugin and EPG update. [CODE][2021-03-19 17:58:20,025] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv importing L:\MePo\xmltv\meposd\tvguide.xml [2021-03-19 18:05:23,517] [Log ] [XmlTvImporter] [INFO ] - Xmltv: waiting for database to finish inserting imported programs. [2021-03-19 18:11:03,487] [Log ] [SQL EPG importer] [INFO ] - schedule.SynchProgramStatesForAll [2021-03-19 18:11:08,230] [Log ] [SQL EPG importer] [DEBUG] - BusinessLayer: InsertProgramsThread exiting [2021-03-19 18:11:08,230] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv import done [2021-03-20 03:12:24,905] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv importing L:\MePo\xmltv\meposd\tvguide.xml [2021-03-20 03:12:26,979] [Log ] [XmlTvImporter] [INFO ] - Xmltv: waiting for database to finish inserting imported programs. [2021-03-20 03:19:42,724] [Log ] [SQL EPG importer] [INFO ] - schedule.SynchProgramStatesForAll [2021-03-20 03:19:48,073] [Log ] [SQL EPG importer] [DEBUG] - BusinessLayer: InsertProgramsThread exiting [2021-03-20 03:19:48,073] [Log ] [XmlTvImporter] [INFO ] - plugin:xmltv import done [/CODE] As an experiment modified how task manager runs EPG download to skip 6pm tonight. Will be curious to see what happens and when garbage collector runs. Maybe [USER=82144]@mm1352000[/USER] and have some comments. [/QUOTE]
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Memory leak in TVService
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