Huaisi Xu has posted comments on this change. Change subject: IMPALA-4740: Add option to use hdfsPread() for HDFS hedged reads ......................................................................
Patch Set 2: (1 comment) http://gerrit.cloudera.org:8080/#/c/5635/2/be/src/runtime/disk-io-mgr-scan-range.cc File be/src/runtime/disk-io-mgr-scan-range.cc: PS2, Line 408: hdfsPread could you point to the reference that we need hdfsPread in order to make use of hdfs hedged read? from HDFS-5776 looks like it is automatically enabled for Impala if the HDFS client is configured so? -- To view, visit http://gerrit.cloudera.org:8080/5635 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Iecc8b12aa20cbfe08f4ef6a08a191e49709d9525 Gerrit-PatchSet: 2 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Matthew Jacobs <[email protected]> Gerrit-Reviewer: Huaisi Xu <[email protected]> Gerrit-Reviewer: Matthew Jacobs <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-HasComments: Yes
