Hi, It could be due to LOG data (BLOB, CLOB) that are not referenced, and not correctly garbage collected. To analyze that, we would need a reproducible test case.
To find out, you could use the Recover tool on the large database. Regards, Thomas On Tuesday, November 22, 2016, Petr Holík <petr.ho...@egopanda.cz> wrote: > Hello, > > 1.4.192 db, Page Store 1.7GB -> SHUTDOWN COMPACT -> 1.4GB -> open -> > 1.9GB -> SHUTDOWN DEFRAG -> takes on cpu thread(3.5Ghz for maybe two three > minutes) -> SHUTDOWN COMPACT -> 1.4GB > > -> export to SQL ~60MB sql -> import -> ~60MB DB file > > Why compact does almost not compact and why opening db takes 500Mb of > space? I have not investigated ho much data process realy writes to db when > opening it.(on SSD it looks fast but on rotation disk it takes ages to open > DB) > > Sincerely Petr Holik > > > > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to h2-database+unsubscr...@googlegroups.com > <javascript:_e(%7B%7D,'cvml','h2-database%2bunsubscr...@googlegroups.com');> > . > To post to this group, send email to h2-database@googlegroups.com > <javascript:_e(%7B%7D,'cvml','h2-database@googlegroups.com');>. > Visit this group at https://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to h2-database+unsubscr...@googlegroups.com. To post to this group, send email to h2-database@googlegroups.com. Visit this group at https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
