Re: [h2] In-Memory H2 deleted rows not garbage collected.
I am using spring data jpa to delete the records.
@Modifying
@Transactional
@Query(value = "delete from table where start_time_ms <= :startTimeMs",
nativeQuery = true)
Integer deleteInBulkByStartTime(@Param("startTimeMs") Long startTimeMs) throws
SQLException;
Spring takes care of managing the transaction.
On Sunday, May 21, 2023 at 1:09:55 AM UTC+5:30 Noel Grandin wrote:
> check that all your transactions are being closed. Holding a transaction
> open means that the storage cannot be freed.
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Re: [h2] In-Memory H2 deleted rows not garbage collected.
check that all your transactions are being closed. Holding a transaction open means that the storage cannot be freed. > > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/h2-database/CAFYHVnXhZosk3b1LEK-b_6%2BTFFePhQ1%3DbkWRnvb5Auhx4OoEZA%40mail.gmail.com.
[h2] In-Memory H2 deleted rows not garbage collected.
Hi, I am using Spring boot In-Memory H2DB. I am storing latest 100k records in the database, so keep on deleting old records and inserting new records. Application runs fine for 4-5 hours, after that it throws OOM Exception. The memory consumption keeps on increasing even after deleting old records. I took the thread dump and analysed in MAT, it shows one memory leak. One instance of org.h2.mvstore.tx.TransactionStore$TxMapBuilder$TMVMap loaded by org.springframework.boot.loader.LaunchedURLClassLoader @ 0x6c0737918 occupies 2,08,58,61,856 (77.95%) bytes. The memory is accumulated in one instance of org.h2.mvstore.Page$PageReference[], loaded by org.springframework.boot.loader.LaunchedURLClassLoader @ 0x6c0737918, which occupies 2,08,58,61,384 (77.95%) bytes. When I restart the application with same number of records in H2db, it takes only 30% of memory. *H2db Version*: 2.1.212 *Spring boot*: 2.7.1 *Spring data JPA*:2.7.1 *spring.datasource.url* =jdbc:h2:mem:db;DB_CLOSE_ON_EXIT=FALSE;DATABASE_TO_LOWER=TRUE;CASE_INSENSITIVE_IDENTIFIERS=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 h2-database+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/h2-database/ff956fd3-e598-4895-9060-b6c925351cbfn%40googlegroups.com.
