Edit:
I changed the title because the problem is not with optimization, it is with slow filter querys.
~~I have a problem with slow querys that have filters like unwatched, from what I have read you need to optimize the database and I have tried that but it did not help.
When I checked the logs i get these messages stating that there is a problem optimizing the database and this might be the problem why I have slow querys.
Does anyone have any idea why it fails to optimize the database?~~
Edit:
PMS Version 1.3.3.3148
OS: CentOS Linux release 7.3.1611 (Core)
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Request: [10.1.0.200:56614 (Subnet)] PUT /library/optimize (5 live) TLS GZIP Signed-in Token (Tagnard)
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Database optimization: Optimizing database. Starting by capturing all sessions.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 0.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 1.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 2.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 3.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 4.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 5.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 6.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 7.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 8.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 9.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 10.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 11.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 12.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 13.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 14.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 15.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 16.
Jan 10, 2017 20:18:49.870 [0x7f3c53ffa700] DEBUG - Captured session 17.
Jan 10, 2017 20:18:49.871 [0x7f3c53ffa700] DEBUG - Captured session 18.
Jan 10, 2017 20:18:49.871 [0x7f3c53ffa700] DEBUG - Captured session 19.
Jan 10, 2017 20:18:49.871 [0x7f3c53ffa700] DEBUG - Database optimization: Rebuilding full text search tables.
Jan 10, 2017 20:18:51.903 [0x7f3c53ffa700] WARN - Held transaction for too long (../Library/FullTextSearch.cpp:16): 2.030000 seconds
Jan 10, 2017 20:18:53.044 [0x7f3c53ffa700] WARN - Held transaction for too long (../Library/FullTextSearch.cpp:26): 1.100000 seconds
Jan 10, 2017 20:18:54.196 [0x7f3c53ffa700] WARN - Held transaction for too long (../Library/FullTextSearch.cpp:35): 1.140000 seconds
Jan 10, 2017 20:18:54.816 [0x7f3c53ffa700] WARN - Held transaction for too long (../Library/FullTextSearch.cpp:45): 0.620000 seconds
Jan 10, 2017 20:18:54.825 [0x7f3c53ffa700] DEBUG - Database optimization: starting.
Jan 10, 2017 20:19:01.674 [0x7f3c53ffa700] DEBUG - Database optimization: complete.
Jan 10, 2017 20:19:01.679 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.683 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.686 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.690 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.693 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.697 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.700 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.703 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.707 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.710 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.713 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.717 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.720 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.723 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.727 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.730 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.734 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.737 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.740 [0x7f3c53ffa700] INFO - SQLITE3:0x10, 17, statement aborts at 57: [select * from metadata_items limit 1] database schema has changed
Jan 10, 2017 20:19:01.743 [0x7f3c53ffa700] DEBUG - Running database fix-ups.
Jan 10, 2017 20:19:01.929 [0x7f3c53ffa700] WARN - Held transaction for too long (../Library/DatabaseFixups.cpp:169): 0.180000 seconds
Jan 10, 2017 20:19:01.929 [0x7f3c53ffa700] DEBUG - Running database fix-ups completed in 0.2 seconds.
Jan 10, 2017 20:19:01.930 [0x7f3ca17ff700] DEBUG - Completed: [10.1.0.200:56614] 200 PUT /library/optimize (5 live) TLS GZIP 12059ms 268 bytes