About max

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Visibility of changes in Transaction is not visible to a JPA QL Query

();    if(oldAmount + howMany > Integer.MAX_VALUE) {     System.err.println("Can't add any
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watch out for your hosting provider migrating machines

My hosting provider recently had a very brief 'scheduled down time'. After which I was getting objectdb exceptions due to max persistent types in database (> 10). Turns out that hosting provider had migrated machines. Luckily I was able to deal with it quickly. I continue to believe
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wrong query result

Hi we have a problem with queries, database is returning wrong results. These are the queries we run from ObjectDB explorer. Query 1 - SELECT MAX(e.generisaniID) FROM AktImpl e – returns string (from field e.brojAkta) although field generisaniID is of type long. Query 2 - select e.idRecord, e
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Query Execution on parallel threads don't lead to performance improvements

and the processing cache is greater than the db file. max-threads="10" synchronized
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-XMX settings recommendation

The default is 256M  what is the recommended settings based on?  It is the size of the DB? number of connections?  If the DB has over 200GB of data and max connection of 400 then will I need to make this settings higher?  Thanks. There is no magic formula, but usually larger is better, as long as
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[ODB1] Chapter 8 - ObjectDB Server

"> max="10" user-max="10" timeout="300" /> max="10" user-max="10" timeout="300" /> All attributes and sub elements shown in
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[ODB1] Chapter 5 - JDO Connections

before throwing an exception: System.setProperty("com.objectdb.lock.retry.max", "10