About time

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OptimisticLockException

Ran into this error for the first time (after many years of using odb): Caused by: com.objectdb.o ... 2 instead of 3) Also the first time I'm using odb in C/S mode rather than embedded ... don't expect more than one thread to access a database at any one time, and in the rare case
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Performance and memory usage of queries

had an issue several times with deleting many object at once. I didn't have time to report it, but I experienced it several times. In my case the operation wouldn't complete (or maybe it was garbage
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Performance problem

. We have two ObjectDB databases on one ObjectDB server. Production database is running 5-10 times slower than test ... without your entity classes (which we do not have) results in a quick response time of about 100ms for each ... must remain, it is for the Employee query which we make every time we login or need information
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Problems Running ODB Explorer

.java:91) It is therefore unusable at a very crucial time. Do you have a support number? I have not found one anywhere on your site. Please note: I have had to activate odb a few times. Apparently ... the relevant configuration for all of them. You wrote that you had to activate odb several times. I see 5
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query on calendar class

'}? The only solution is keep time and date i other fields and do that same wiht DAY_OF_WEEK? ObjectDB does not ... .DATE), @Temporal(TemporalType.TIME) and @Temporal(TemporalType.TIMESTAMP). I test the queries ... comparison the operand types must match. Not all the date/time types support the same functionality
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Querys slower when execute a query after every persist

The test case of the java file attachment persists many entities and executes a query after every persist. The execution time amounts 2 sec when the test persists 1000 entities. The execution time ... . If you have more objects in the current transaction it takes more time (i.e. every query execution
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Replication error on slave restart

only once when installing the replication. Every time you restart the master server a new recording file ... .java:203) at java.lang.Thread.run(Unknown Source) 7) got exception from step 6 every time ... timestamp (GMT+0) everytime User entity changes (in case of misunderstanding of actual time master
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Server vs embedded mode in multi-instance scenario

time (100k absolute maximum). We will probably have multiple instances per client for availability ... . I see two ways to integrate objectdb: first, since during 99% of the time ... for system resources (cpu time, memory, etc). Is that a valid concern? The graphs on your site would seem to say
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Should derived fields of an EmbeddedId be manually maintained by app code?

timing = System.currentTimeMillis(); while (endCnt > startCnt) { startCnt++; String key ... " + startCnt + " in " + (System.currentTimeMillis() - timing) + "ms"); timing
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Should I be able to persist a JFrame (or gui components in general)?

is, it has been a goal of mine for some time now, to find a way of programming basic "editor" interfaces like this, so that I am not spending a long time (I'm slow) programming what I'll call "mapping ... , but there should have been text at the time this ran: System.out.println(a.pJTextField1.getText()); //did have text when ran em