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Help Understanding JanusGraphException: Could not commit transaction due to exception during persistence

Matteo Lissandrini <matteo.l...@...>
 

Hi all,

I was trying to load a quite large graph (DBpedia) and got the following error:

```
org.janusgraph.core.JanusGraphException: Could not commit transaction due to exception during persistence
```

Full stack trace here:  https://pastebin.com/ciNwXNDi

I cannot understand what is going on...  can you help me?

Thanks,
Matteo
HadoopMarc <bi...@...>
 

Hi Matteo,

Things to consider:
  • how large are your transactions in terms of numbers of vertices and edges?
  • storage backend load (CPU, memory)
  • indexing backend load, if applicable
HTH,     Marc

Op woensdag 19 augustus 2020 om 12:05:50 UTC+2 schreef Matteo Lissandrini:

Hi all,

I was trying to load a quite large graph (DBpedia) and got the following error:

```
org.janusgraph.core.JanusGraphException: Could not commit transaction due to exception during persistence
```

Full stack trace here:  https://pastebin.com/ciNwXNDi

I cannot understand what is going on...  can you help me?

Thanks,
Matteo
Matteo Lissandrini <matteo.l...@...>
 

I am loading the entire graph, some hundred millions edges tens of million nodes.
The are 12 cores and 128gb RAM.
Backend cassandra.



On Wednesday, 19 August 2020 at 17:24:23 UTC+2 HadoopMarc wrote:
Hi Matteo,

Things to consider:
  • how large are your transactions in terms of numbers of vertices and edges?
  • storage backend load (CPU, memory)
  • indexing backend load, if applicable
HTH,     Marc

Op woensdag 19 augustus 2020 om 12:05:50 UTC+2 schreef Matteo Lissandrini:
Hi all,

I was trying to load a quite large graph (DBpedia) and got the following error:

```
org.janusgraph.core.JanusGraphException: Could not commit transaction due to exception during persistence
```

Full stack trace here:  https://pastebin.com/ciNwXNDi

I cannot understand what is going on...  can you help me?

Thanks,
Matteo

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