Dan Hecht has posted comments on this change. Change subject: IMPALA-3200: Implement suballocator for splitting buffers ......................................................................
Patch Set 14: (1 comment) http://gerrit.cloudera.org:8080/#/c/4715/14/be/src/runtime/bufferpool/suballocator.h File be/src/runtime/bufferpool/suballocator.h: Line 104: static constexpr int64_t MAX_ALLOCATION_BYTES = 1L << LOG_MAX_ALLOCATION_BYTES; > this is really large (entire virtual address space on current x64 implement after reading the rest of the code I see it's used so to bound the depth of the tree and number of free lists. Maybe comment thats what it's for. -- To view, visit http://gerrit.cloudera.org:8080/4715 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I8bfe0e429f67ad273f7c7d0816703a9e6c3da788 Gerrit-PatchSet: 14 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com> Gerrit-Reviewer: Jim Apple <jbapple-imp...@apache.org> Gerrit-Reviewer: Michael Ho Gerrit-Reviewer: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-HasComments: Yes