Koji Noguchi created PIG-5390:
---------------------------------
Summary: Possible race condition from Self-spilling bags
registering with SpillableMemoryManager
Key: PIG-5390
URL: https://issues.apache.org/jira/browse/PIG-5390
Project: Pig
Issue Type: Bug
Reporter: Koji Noguchi
Assignee: Koji Noguchi
This is a follow up from PIG-5380 where [~rohini] pointed out
{quote}
I think same change is required in InternalSortedBag as well as code is exactly
same and it can spill too -
https://github.com/apache/pig/blob/trunk/src/org/apache/pig/data/InternalSortedBag.java#L133
. We most likely haven't seen issues with it as the probability could be very
less as it will proactively spill if it exceeds cached memory limit.
{quote}
Looking at the history and the source, this is a critical bug given all these
self-spilling bags are designed on the premise that no other threads would
touch them. Comment in the source clearly say
{code}
* This bag is not registered with SpillableMemoryManager. It calculates
* the number of tuples to hold in memory and spill pro-actively into files."
{code}
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