Hi,
I would appreciate any clue on this. It has become a bottleneck for our
spark job.

On Mon, Jun 13, 2016 at 2:56 PM, Cassa L <lcas...@gmail.com> wrote:

> Hi,
>
> I'm using spark 1.5.1 version. I am reading data from Kafka into Spark and 
> writing it into Cassandra after processing it. Spark job starts fine and runs 
> all good for some time until I start getting below errors. Once these errors 
> come, job start to lag behind and I see that job has scheduling and 
> processing delays in streaming  UI.
>
> Worker memory is 6GB, executor-memory is 5GB, I also tried to tweak 
> memoryFraction parameters. Nothing works.
>
>
> 16/06/13 21:26:02 INFO MemoryStore: ensureFreeSpace(4044) called with 
> curMem=565394, maxMem=2778495713
> 16/06/13 21:26:02 INFO MemoryStore: Block broadcast_69652_piece0 stored as 
> bytes in memory (estimated size 3.9 KB, free 2.6 GB)
> 16/06/13 21:26:02 INFO TorrentBroadcast: Reading broadcast variable 69652 
> took 2 ms
> 16/06/13 21:26:02 WARN MemoryStore: Failed to reserve initial memory 
> threshold of 1024.0 KB for computing block broadcast_69652 in memory.
> 16/06/13 21:26:02 WARN MemoryStore: Not enough space to cache broadcast_69652 
> in memory! (computed 496.0 B so far)
> 16/06/13 21:26:02 INFO MemoryStore: Memory use = 556.1 KB (blocks) + 2.6 GB 
> (scratch space shared across 0 tasks(s)) = 2.6 GB. Storage limit = 2.6 GB.
> 16/06/13 21:26:02 WARN MemoryStore: Persisting block broadcast_69652 to disk 
> instead.
> 16/06/13 21:26:02 INFO BlockManager: Found block rdd_100761_1 locally
> 16/06/13 21:26:02 INFO Executor: Finished task 0.0 in stage 71577.0 (TID 
> 452316). 2043 bytes result sent to driver
>
>
> Thanks,
>
> L
>
>

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