Tim Armstrong has posted comments on this change. Change subject: IMPALA-4623: Thread level file handle caching ......................................................................
Patch Set 1: (1 comment) http://gerrit.cloudera.org:8080/#/c/6478/1/be/src/runtime/disk-io-mgr.h File be/src/runtime/disk-io-mgr.h: Line 233: /// This is a single-threaded LRU cache for Hdfs file handles. The cache creates and > each thread needs its own file handle in order to get accurate io stats. I guess I was thinking that each thread would temporarily check out a file handle from a shared cache. Anyway, it sounds like you may have some other ideas for tackling the problem. -- To view, visit http://gerrit.cloudera.org:8080/6478 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Ibe5ff60971dd653c3b6a0e13928cfa9fc59d078d Gerrit-PatchSet: 1 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Joe McDonnell <[email protected]> Gerrit-Reviewer: Marcel Kornacker <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-HasComments: Yes
