Hi, Where is it documented ?
I found only that: MVCC is disabled by default. The MVCC feature is not fully tested yet. The limitations of the MVCC mode are: it can not be used at the same time as MULTI_THREADED=TRUE; So, can the both be used at the same time ? Regards, Sergei On Thursday, June 19, 2014 at 8:42:37 AM UTC+3, Thomas Mueller wrote: > > Hi, > > With version 1.4, you can use both MVCC and multi-threaded at the same > time (as documented). > > In version 1.4, the MVCC behavior is the same as with PostgreSQL, as far > as I can tell (or as far as my randomized tests can tell). > > Regards, > Thomas > > > > > On Sunday, June 15, 2014, Wen Bob <[email protected] <javascript:>> wrote: > >> In previous version of H2(1.3), i can't set both MVCC and MULTI_THREAD to >> true. >> >> when i hold an transaction in table/records, the other working >> thread(transactional, both Read/Write) will wait until the first >> transaction is committed. this behavior is undesirable in high concurrency >> environment(which will exhaust all database connection of pool and finally >> throws some exception, because all connection obtains from pool previous is >> wait(blocked) to execute). >> >> so does MVStore resolve such problem and can working fine when set MVCC >> and MULTI_THREAD to true? >> >> -- >> 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 [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
