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MediaPortal 1
MediaPortal 1 Talk
Memory leak in TVService
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<blockquote data-quote="Berney" data-source="post: 1285818" data-attributes="member: 168121"><p>Thanks for showing interest in the problem.</p><p></p><p>I only use dvb to get the epg. There are 2 usb sticks, the IT9135 cannot receive HD, where as the Hauppauge can.</p><p></p><p>Details of the DVB EPG page in the TV Server Configuration are as follows:-</p><p></p><p>Always try to fill holes ON</p><p>Always try to update existing entries ON</p><p>Enable CRC check OFF</p><p>Grab EPG only for channels on same transponder OFF</p><p></p><p>EPG grabbing while timeshifting/recording ON</p><p>Timeout 2 mins</p><p></p><p>Enable grabbing while idle ON</p><p>Timeout 2 mins</p><p>Refresh every 720 mins.</p><p></p><p>The TV Epg grabber page:-</p><p></p><p>Store data only for selected channels ON</p><p></p><p>The channels ticked are around 90% of the list of channels.</p><p></p><p>Having looked at the debug log produced it would appear that the actual grab of the data off air occurs every 6 hours (so it would seem the 720 minutes setting is working correctly.).</p><p>What I did find interesting is that when it does do the update it produces a log entry for each channel. There is a log entry for inserting X epg entries for channel Y. However there is no mention in the log for removing old entries (which I think would be due to having become out of date, i.e. in the past). Now this may be simply the programmer thinking there is no reason to insert a log entry and in fact does a delete of out of date epg entries, but if old out of date entries are not deleted then this could be a cause of concern and while not actually a memory leak it would cause the data to keep on growing until memory limits are reached!</p><p>To find the point in the log I refer to then set logging level to debug in the TV Server under the general page.</p><p>Run the server for a long enough time to do an epg grab and then use a text editor on the log file TVServer.log and search for 'EPG Update Thread' where you will see entries that I am referring to.</p><p>(Apologies for spelling it out in detail, but I do so in the hope of other people perhaps needing to know how to do these things and helping them).</p><p></p><p>Finally I note that the EPG is grabbed in two ways.</p><p>A) while idle (at set interval)</p><p>B) while time shifting/recording.</p><p></p><p>From the debug log it would appear that</p><p>B) EPG grabbing is stopped when A) starts at the set interval.</p><p></p><p>Its a gut feeling of mine that the memory fills up quicker during the night when there is typically no time shifting/recording occuring. Which makes me wonder if interval EPG method is where the problem can be narrowed down to.</p></blockquote><p></p>
[QUOTE="Berney, post: 1285818, member: 168121"] Thanks for showing interest in the problem. I only use dvb to get the epg. There are 2 usb sticks, the IT9135 cannot receive HD, where as the Hauppauge can. Details of the DVB EPG page in the TV Server Configuration are as follows:- Always try to fill holes ON Always try to update existing entries ON Enable CRC check OFF Grab EPG only for channels on same transponder OFF EPG grabbing while timeshifting/recording ON Timeout 2 mins Enable grabbing while idle ON Timeout 2 mins Refresh every 720 mins. The TV Epg grabber page:- Store data only for selected channels ON The channels ticked are around 90% of the list of channels. Having looked at the debug log produced it would appear that the actual grab of the data off air occurs every 6 hours (so it would seem the 720 minutes setting is working correctly.). What I did find interesting is that when it does do the update it produces a log entry for each channel. There is a log entry for inserting X epg entries for channel Y. However there is no mention in the log for removing old entries (which I think would be due to having become out of date, i.e. in the past). Now this may be simply the programmer thinking there is no reason to insert a log entry and in fact does a delete of out of date epg entries, but if old out of date entries are not deleted then this could be a cause of concern and while not actually a memory leak it would cause the data to keep on growing until memory limits are reached! To find the point in the log I refer to then set logging level to debug in the TV Server under the general page. Run the server for a long enough time to do an epg grab and then use a text editor on the log file TVServer.log and search for 'EPG Update Thread' where you will see entries that I am referring to. (Apologies for spelling it out in detail, but I do so in the hope of other people perhaps needing to know how to do these things and helping them). Finally I note that the EPG is grabbed in two ways. A) while idle (at set interval) B) while time shifting/recording. From the debug log it would appear that B) EPG grabbing is stopped when A) starts at the set interval. Its a gut feeling of mine that the memory fills up quicker during the night when there is typically no time shifting/recording occuring. Which makes me wonder if interval EPG method is where the problem can be narrowed down to. [/QUOTE]
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Memory leak in TVService
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