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12

OutofMemory error with Object DB 2.0

The application works fine with only 256MB heap size with objectdb 1.0 But on 2.0 even with max heap size ... .currentTransaction(); // Commit every MAXIMUM_NEW_RECORD_TRANSACTION_SIZE (currently 500) records ... ) && ((writeItemNumber % MAXIMUM_NEW_RECORD_TRANSACTION_SIZE) == 0)) { transaction.commit(); /** In 2.x
11

500Mb ObjectDb database opening issue

! We gonna work with ObjectDb databases which may have size more than 5Gb and opening database time ... for a database. Opening time is not affected by the size of the database (since during opening ... take more than a fraction of a second to open a database of any size. Please provide more details. If you can make
11

InternalError on multiple AND and JOIN Query

.logback.core.joran.action.AppenderAction - Naming appender as [SIZE_BASED_ROLLING_APPENDER] 09:30:08,912 ... will be used 09:30:08,924 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[SIZE_BASED_ROLLING_APPENDER] - Active log file name: size_example.log 09:30:08,924 |-INFO in ch.qos.logback.core.rolling
11

OutOfMemoryError on search after update on DB created with DB Doctor

. We instruct Object DB to create a 1Gb DB file on initial start-up using: <database> <size ... to create a file that has the opriginal size as the DB input file (or size as specified in the configuration). We create a large file deliberatly as we do not want Object DB to increase its size
11

How Should I Configure objectdb.conf to Obtain 256KB Disk IO Requests and Maximize Shared PersistenceManager Entity Cache?

caching 1 MB (4 256KB sized pages). The goal is to have frequent PersistenceManager L1 cache hit ... /to the disk, but in a 256 KB sized IO packets. Is the objectdb.conf file (attached to forum thread mentioned ... Does ObjectDB access the datafile in page-sized IO requests? CBE CBE Yes. support Support
11

Vacuum - Reclaiming Unused Space In Odb

. Our odb files are about 50Gb in size and are written to about a million times a day with both adds ... . Neither execution of Doctor found any errors. Original File Size Post Doctor File Size Outcome 17,281,068 14,038,528 18.8% Reduction 18,572,690 22,776,320 22.6% Increase In Size Can you explain why a database
10

Inserted entities with strings as keys and indices needs more and more ram memory in comparing to primitive integers as keys and indices

consumption? If possible reduce the size of the transactions. Use enhanced classes. Reduce cache size. You can disable the L2 data cache by setting its size to 0. Use smaller database pages, so updates ... . Have you checked that all that memory is really in use? Take a heap snapshot and check the total size
2

Threaded Test - Failed to commit transaction: Unexpected internal exception

TestRunnable[runnables.size()]);             MultiThreadedTestRunner mttr = new ... _01 and the default objectDb config. I've limited the test to a jvm size of 1gb (-Xms1g -Xmx1g ... It seems that there was a bug in evaluating the size of cached query results for queries that were run by
2

Blocked by find

size from <1k to >1MB but the entity object is simple and looks like: @Entity public class ... packaged but with processing and query cache sizes set to 0mb due to issues we've seen in the past ... size (int payloadSize = 1000000;) and have had it hang a couple more times (see attached thread
2

Memory leak in com.objectdb.o.CST

instance at the end of use. support Support Hi I think you have mistaken shallow heap size as instances ... pool. However, the default size of the connection pool is 50, so it is unclear how there are 132 ... size for those objects? What are the things that affect the sizes of the CST objects? The reason I'm

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ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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