51 search results - page 3 / 11 » Handling Data Skew in MapReduce |
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
In this paper, we describe a scheme for tolerating and recovering from mid-query faults in a distributed shared nothing database. Rather than aborting and restarting queries, our s...
SIGMOD
2012
ACM
11 years 11 months ago
2012
ACM
We present an automatic skew mitigation approach for userdefined MapReduce programs and present SkewTune, a system that implements this approach as a drop-in replacement for an e...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Joins are among the most frequently executed operations. Several fast join algorithms have been developed and extensively studied; these can be categorized as sort-merge, hash-bas...
VLDB
1992
ACM
14 years 18 days ago
1992
ACM
We present an approach to dealing with skew in parallel joins in database systems. Our approach is easily implementable within current parallel DBMS, and performs well on skewed d...
EUROSYS
2011
ACM
13 years 1 days ago
2011
ACM
To improve data availability and resilience MapReduce frameworks use file systems that replicate data uniformly. However, analysis of job logs from a large production cluster show...