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

Reply via email to