[DRILL-2587] Random IOBException when doing an inner join on a table with wide strings

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.8.0
• Fix Version/s: Future
• Component/s: Execution - Relational Operators
• Assignee: Unassigned
• Reporter: Rahul Kumar Challapalli
• Created: 26/Mar/15 23:17
• Updated: 01/Oct/15 16:36

Description

git.commit.id.abbrev=462e50c

When I ran the below query along with similar such queries in parallel, I have seen it fail randomly. Did not see this failure from sqlline when I ran this query alone.

select ws1.* from widestrings ws1 INNER JOIN (select str_var_null_empty from widestrings where str_var_null_empty is not null and length(str_var_null_empty) <> 0 )ws2 on ws1.str_empty_null=ws2.str_var_null_empty where ws1.str_empty_null is not null and length(ws1.str_empty_null) <> 0 and length(ws1.str_var_null_empty) > 4995 and length(ws2.str_var_null_empty) > 4800;

I attached the error log. Since the data is large, I did not attach it here

Issue Links

• depends upon: DRILL-2947 AllocationHelper.allocateNew() doesn't have a consistent behavior when it can't allocate