Jim Apple created IMPALA-5632: --------------------------------- Summary: Investigate use of transparent huge pages for Bloom Filters Key: IMPALA-5632 URL: https://issues.apache.org/jira/browse/IMPALA-5632 Project: IMPALA Issue Type: Task Components: Perf Investigation Reporter: Jim Apple Assignee: Jim Apple
See {{system-allocator.cc}} for some templates for using {{madvise}}. It appears that TLB misses are causing performance degradation in BF lookups. THPs could reduce TLB pressure when the BFs are more than 2MB. -- This message was sent by Atlassian JIRA (v6.4.14#64029)