# GC overhead limit exceeded

**URL:** <https://forum.cloverdx.com/t/gc-overhead-limit-exceeded/2073>\
**Category:** CloverDX Platform\
**Created:** [March 10, 2020, 12:00am UTC](https://forum.cloverdx.com/t/gc-overhead-limit-exceeded/2073 "2020-03-10T00:00:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![av686165](https://avatars.discourse-cdn.com/v4/letter/a/9e8a1a/32.png) [@av686165](https://forum.cloverdx.com/u/av686165)\
**Post date:** [March 10, 2020, 12:00am UTC](https://forum.cloverdx.com/t/gc-overhead-limit-exceeded/2073/1 "2020-03-10T00:00:00Z")

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I am getting below error while running my graph in CloverDX. Please help,

12:31:00,411 INFO : === CloverDX 5.4.0.8 Starting ===  
12:31:16,819 INFO : === CloverDX Runtime 5.4.0.8 Started @16 sec ===  
12:31:16,839 INFO : Available memory:  
Heap memory (initial/used/max): 128 MB/184 MB/569 MB  
Non-heap memory (initial/used): 2 MB/123 MB  
Exception in thread “threadPool-2” java.lang.OutOfMemoryError: GC overhead limit exceeded  
020-03-10 12:32:48.258:WARN:oejs.AbstractConnector:qtp1567581361-17-acceptor-0@60ef3b21-ServerConnector@6e28d94c{HTTP/1.1,[http/1.1]}{localhost:54461}:  
java.lang.OutOfMemoryError: GC overhead limit exceeded  
2020-03-10 12:32:46.883:WARN:oejuts.EatWhatYouKill:qtp1567581361-15:  
java.lang.OutOfMemoryError: GC overhead limit exceeded  
2020-03-10 12:32:57.342:WARN:oejuts.EatWhatYouKill:qtp1567581361-18:  
java.lang.OutOfMemoryError: GC overhead limit exceeded  
2020-03-10 12:32:56.476:WARN:oeji.ManagedSelector:qtp1567581361-43: java.lang.OutOfMemoryError: GC overhead limit exceeded  
Exception in thread “scheduledExecutor-3” java.lang.OutOfMemoryError: GC overhead limit exceeded  
Exception in thread “scheduledExecutor-6” java.lang.OutOfMemoryError: GC overhead limit exceeded  
Mar 10, 2020 12:39:18 PM com.sun.xml.ws.transport.http.servlet.WSServletDelegate doGet  
SEVERE: caught throwable

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**Author:** ![Vladimir\_Barton](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.cloverdx.com/vladimir_barton/32/167_2.png) [@Vladimir\_Barton](https://forum.cloverdx.com/u/Vladimir_Barton)\
**Post date:** [March 10, 2020, 12:16pm UTC](https://forum.cloverdx.com/t/gc-overhead-limit-exceeded/2073/2 "2020-03-10T12:16:37Z")

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Hello,  
the “GC overhead limit reached” exception is typically thrown because the amount of live data barely fits into the Java heap having little free space for new allocations. A more in-depth explanation can be found [in this article in the Oracle Java Documentation](https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/memleaks002.html). To make the long story short, it appears that 569 MB of heap size is not sufficient for processing the given amount of data. To resolve the issue, try increasing the Max. heap size at least to 2048 MB in the CloverDX Designer \> Window \> Preferences \> CloverDX \> CloverDX Runtime \> Memory settings section. Note: Make sure there is enough available RAM on the computer where the Designer is running.

Regards,