https://github.com/facebook/rocksdb
Revision 0ccaba2a05db5c5930018d0d78775f29ba622e16 authored by Yi Wu on 23 May 2017, 17:32:02 UTC, committed by Yi Wu on 23 May 2017, 19:27:53 UTC
Summary:
rocksdb.estimate-num-keys is compute from `estimate_num_keys - 2 * estimate_num_deletes`. If  `2 * estimate_num_deletes > estimate_num_keys` it will underflow. Fixing it.
Closes https://github.com/facebook/rocksdb/pull/2348

Differential Revision: D5109272

Pulled By: yiwu-arbug

fbshipit-source-id: e1bfb91346a59b7282a282b615002507e9d7c246
1 parent 4646cd4
Raw File
Tip revision: 0ccaba2a05db5c5930018d0d78775f29ba622e16 authored by Yi Wu on 23 May 2017, 17:32:02 UTC
Fix rocksdb.estimate-num-keys DB property underflow
Tip revision: 0ccaba2
LICENSE
BSD License

For rocksdb software

Copyright (c) 2011-present, Facebook, Inc.
All rights reserved.
---------------------------------------------------------------------

Copyright (c) 2011 The LevelDB Authors. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

   * Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
   * Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
back to top