Discussion:
[orientdb] OutOfMemoryError
C L
2018-10-26 09:09:06 UTC
Permalink
Hello,
Recently a new problem appeared on my server :

com.orientechnologies.orient.core.exception.OJVMErrorException: JVM error
'OutOfMemoryError : Java heap space' occurred during data processing,
storage is switched to 'read-only' mode. To prevent this exception please
restart the JVM and check data consistency by calling of 'check database'
command from database console. DB name="taxi"

It perfectly worked for months and now I have this, but I didn't change
anything, the queries are the same.
I tried restarted the database but the error is still happening.

Any idea on how to fix that ?
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Luigi Dell'Aquila
2018-10-26 09:17:03 UTC
Permalink
Hi,

Which OrientDB version are you using? Perhaps your dataset is now bigger
and the query is returning a bigger result set?

Thanks

Luigi
Post by C L
Hello,
com.orientechnologies.orient.core.exception.OJVMErrorException: JVM error
'OutOfMemoryError : Java heap space' occurred during data processing,
storage is switched to 'read-only' mode. To prevent this exception please
restart the JVM and check data consistency by calling of 'check database'
command from database console. DB name="taxi"
It perfectly worked for months and now I have this, but I didn't change
anything, the queries are the same.
I tried restarted the database but the error is still happening.
Any idea on how to fix that ?
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C L
2018-10-26 09:46:46 UTC
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I use the version 2.2.30
And I don't think it comes from the query because it happens on multiple
projects and they don't have much data.
Post by Luigi Dell'Aquila
Hi,
Which OrientDB version are you using? Perhaps your dataset is now bigger
and the query is returning a bigger result set?
Thanks
Luigi
Post by C L
Hello,
com.orientechnologies.orient.core.exception.OJVMErrorException: JVM error
'OutOfMemoryError : Java heap space' occurred during data processing,
storage is switched to 'read-only' mode. To prevent this exception please
restart the JVM and check data consistency by calling of 'check database'
command from database console. DB name="taxi"
It perfectly worked for months and now I have this, but I didn't change
anything, the queries are the same.
I tried restarted the database but the error is still happening.
Any idea on how to fix that ?
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"OrientDB" group.
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Luigi Dell'Aquila
2018-10-26 09:55:03 UTC
Permalink
That's pretty strange, I cannot exclude it's a bug.
The first thing I can suggest is to upgrade to v 2.2.37 (or plan a
migration to 3.0), that has a lot of fixes compared to 2.2.30 and has a
more fine grained memory management.
Then, if you have a chance to share some logs from the server, probably we
can find some more information about this problem

Thanks

Luigi
Post by C L
I use the version 2.2.30
And I don't think it comes from the query because it happens on multiple
projects and they don't have much data.
Post by Luigi Dell'Aquila
Hi,
Which OrientDB version are you using? Perhaps your dataset is now bigger
and the query is returning a bigger result set?
Thanks
Luigi
Post by C L
Hello,
com.orientechnologies.orient.core.exception.OJVMErrorException: JVM
error 'OutOfMemoryError : Java heap space' occurred during data processing,
storage is switched to 'read-only' mode. To prevent this exception please
restart the JVM and check data consistency by calling of 'check database'
command from database console. DB name="taxi"
It perfectly worked for months and now I have this, but I didn't change
anything, the queries are the same.
I tried restarted the database but the error is still happening.
Any idea on how to fix that ?
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Groups "OrientDB" group.
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