nosachov 0 Posted September 9, 2020 Share Posted September 9, 2020 Hi Everyone. Problem: I got a trial emby on an OpenSUSE server. All looks good except the thumbnails usage. Every time I enter some folder thumbnail images are downloading again and it causes a 100% or high CPU usage. Already looked for a solution on the forum but can't find it. VM Hardware: 4 CPU Cores. 2 GB RAM. External mounted NAS with photos and videos of high resolution (~1TB). Also I use Nginx. Config: server { listen 80; server_name media.domain.com; root /var/www/html; return 301 https://$server_name$request_uri; } server { listen 443 ssl http2; server_name media.domain.com; root /var/www/html/emby; ssl_certificate /etc/nginx/ssl.crt/some.crt; ssl_certificate_key /etc/nginx/ssl.crt/some.key; location / { try_files $uri $uri/ @backend; } location @backend { proxy_pass http://127.0.0.1:8096; # Allow WebSocket connections via HTTP 201 proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_set_header X-Forwarded-Host $host; proxy_set_header X-Forwarded-Server $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Real-IP $remote_addr; proxy_redirect off; } } No errors in nginx log. /var/lib/emby/logs/embyserver.txt: 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 8000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 300000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 600000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 900000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 1200000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 1500000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 1800000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 2100000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 2400000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 2700000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 3000000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 3300000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 3600000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 3900000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 4200000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 4500000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 4800000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 5100000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 5400000ms. 2020-09-08 02:00:03.484 Error ChapterImagesTask: Error during chapter image extraction for 2013-12-20 17.00 Annual Company Meeting, December 20, 2013, at 5700000ms. 37M /media/cache/ 3.0G /media/metadata/ Please kindly help me. And let me know if you need any information additionally. Thank you in advance. KN Link to comment Share on other sites More sharing options...
Luke 38317 Posted September 9, 2020 Share Posted September 9, 2020 Hi, what exactly do you mean by images are downloading again? Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 9, 2020 Author Share Posted September 9, 2020 (edited) Hi Luke! I mean a thumbnails should be downloaded by users from the previously generated thumbnails in a server cache. But for some reason, every time I look into the media folders with photos, thumbnails are downloads very slowly and it causes CPU usage, so I suppose a thumbnails are generated every time from the beginning . Thank you. KN Edited September 9, 2020 by nosachov Link to comment Share on other sites More sharing options...
Luke 38317 Posted September 9, 2020 Share Posted September 9, 2020 Thumbnails are downloading from where, to where? Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 9, 2020 Author Share Posted September 9, 2020 I have edited my last comment, please review once again. Thanks. Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 9, 2020 Author Share Posted September 9, 2020 Luke, is this information enough for you, or I can search for something else? Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 10, 2020 Author Share Posted September 10, 2020 Hi Luke! I mean a thumbnails should be downloaded by users from the previously generated thumbnails in a server cache. But for some reason, every time I look into the media folders with photos, thumbnails are downloads very slowly and it causes CPU usage, so I suppose a thumbnails are generated every time from the beginning . Thank you. KN Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 15, 2020 Author Share Posted September 15, 2020 Any updates here? Still didn't get how to fix that. Thanks. KN Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 17, 2020 Author Share Posted September 17, 2020 Any updates here? Still didn't get how to fix that. Thanks. KN Link to comment Share on other sites More sharing options...
Luke 38317 Posted September 29, 2020 Share Posted September 29, 2020 Hi, can you please attach the emby server log from when this happened? Thanks. Link to comment Share on other sites More sharing options...
nosachov 0 Posted September 30, 2020 Author Share Posted September 30, 2020 Hi Luke, it's already attached and makes no sense for me. Or should I look for another one log file? Thanks. KN Link to comment Share on other sites More sharing options...
Luke 38317 Posted October 3, 2020 Share Posted October 3, 2020 Hi, I see that you've attached a snippet of a log file, which has nothing to do with Emby apps downloading image files from your Emby Server. That's from the library scan trying to create chapter thumbnails. Please attach the complete emby server log. thanks. Link to comment Share on other sites More sharing options...
nosachov 0 Posted October 13, 2020 Author Share Posted October 13, 2020 (edited) Hi, please find the full log in attachment. And one more question. Do you have some tutorial which helps bypass a login page for a first time visitor and let him surf the media server on behalf of Guest user by default? Also my server now has 4 CPU and 6 GB of RAM, because of out of memory fails and 350% CPU Usage. This happen when I opened few tabs in a browser and tried to load a few photo folders at the same time. Can we limit a RAM/CPU usage somehow so the server won't answer with 502 any more? My nginx config has changed too. proxy_cache_path /media/cache/n_cache levels=1:2 keys_zone=ast_zone:10m inactive=3M use_temp_path=off; proxy_cache_key "$scheme$request_method$host$request_uri"; server { listen [::]:80; listen 80; server_name media.server.com; root /var/www/html; return 301 https://$server_name$request_uri; # Expire rules for static content # cache.appcache, your document html and data location ~* \.(?:manifest|appcache|html?|xml|json)$ { expires -1; } # Feed location ~* \.(?:rss|atom)$ { expires 1h; add_header Cache-Control "public"; } # Media: images, icons, video, audio, HTC location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ { expires 3M; access_log off; add_header Cache-Control "public"; } # CSS and Javascript location ~* \.(?:css|js)$ { expires 1y; access_log off; add_header Cache-Control "public"; add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;"; add_header X-Content-Type-Options nosniff; add_header X-Frame-Options "SAMEORIGIN"; add_header X-XSS-Protection "1; mode=block"; add_header X-Robots-Tag none; } } server { listen [::]:443 ssl http2; listen 443 ssl http2; server_name media.server.com; root /var/www/html; ssl_certificate /etc/nginx/ssl.crt/star.server.crt; ssl_certificate_key /etc/nginx/ssl.crt/star.server.key; gzip on; gzip_disable "msie6"; gzip_comp_level 6; gzip_min_length 1100; gzip_buffers 16 8k; gzip_proxied any; gzip_types text/plain text/css text/js text/xml text/javascript application/javascript application/x-javascript application/json application/xml application/rss+xml image/svg+xml; location / { try_files $uri $uri/ @backend; } location @backend { proxy_cache ast_zone; add_header X-Proxy-Cache $upstream_cache_status; proxy_pass http://127.0.0.1:8096; # Allow WebSocket connections via HTTP 201 proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_set_header X-Forwarded-Host $host; proxy_set_header X-Forwarded-Server $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Real-IP $remote_addr; proxy_read_timeout 3600; proxy_redirect off; } } Thank you Luke. Best Regards KN embyserver.txt Edited October 16, 2020 by nosachov Link to comment Share on other sites More sharing options...
Luke 38317 Posted October 21, 2020 Share Posted October 21, 2020 Ok we are looking into improving this. Thanks for the feedback. Link to comment Share on other sites More sharing options...
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