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* Switch from C headers to C++ headers.Victor Costan2020-04-291-1/+1
| | | | | | | | | | | | | | | This CL makes the following substitutions. * assert.h -> cassert * math.h -> cmath * stdarg.h -> cstdarg * stddef.h -> cstddef * stdint.h -> cstdint * stdio.h -> cstdio * stdlib.h -> cstdlib * string.h -> cstring PiperOrigin-RevId: 309080151
* Style cleanup.Victor Costan2019-05-041-1/+1
| | | | | | | | | 1) Convert iterator-based for loops to C++11 foreach loops. 2) Convert "void operator=" to "T& operator=". 3) Switch from copy operators from private to public deleted. 4) Switch from empty ctors / dtors to "= default" where appropriate. PiperOrigin-RevId: 246679195
* Format all files IAW the Google C++ Style Guide.Chris Mumford2019-05-021-15/+14
| | | | | | Use clang-format to correct formatting to be in agreement with the [Google C++ Style Guide](https://google.github.io/styleguide/cppguide.html). Doing this simplifies the process of accepting changes. Also fixed a few warnings flagged by clang-tidy. PiperOrigin-RevId: 246350737
* LevelDB now attempts to reuse the preceding MANIFEST and log file when ↵Sanjay Ghemawat2015-08-111-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | re-opened. (Based on a suggestion by cmumford.) "open" benchmark on my workstation speeds up significantly since we can now avoid three fdatasync calls and a compaction per open: Before: ~80000 microseconds After: ~130 microseconds Details: (1) Added Options::reuse_logs (currently defaults to false) to control new behavior. The intention is to change the default to true after some baking. (2) Added Env::NewAppendableFile() whose default implementation returns a not-supported error. (3) VersionSet::Recovery attempts to reuse the MANIFEST from which it is recovering. (4) DBImpl recovery attempts to reuse the last log file and memtable. (5) db_test.cc now tests a new configuration that sets reuse_logs to true. (6) fault_injection_test also tests a reuse_logs==true config. (7) Added a new recovery_test.
* A number of fixes:Hans Wennborg2011-10-311-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Replace raw slice comparison with a call to user comparator. Added test for custom comparators. - Fix end of namespace comments. - Fixed bug in picking inputs for a level-0 compaction. When finding overlapping files, the covered range may expand as files are added to the input set. We now correctly expand the range when this happens instead of continuing to use the old range. For example, suppose L0 contains files with the following ranges: F1: a .. d F2: c .. g F3: f .. j and the initial compaction target is F3. We used to search for range f..j which yielded {F2,F3}. However we now expand the range as soon as another file is added. In this case, when F2 is added, we expand the range to c..j and restart the search. That picks up file F1 as well. This change fixes a bug related to deleted keys showing up incorrectly after a compaction as described in Issue 44. (Sync with upstream @25072954)
* sync with upstream @ 21409451dgrogan@chromium.org2011-05-211-1/+2
| | | | | | Check the NEWS file for details of what changed. git-svn-id: https://leveldb.googlecode.com/svn/trunk@28 62dab493-f737-651d-591e-8d6aee1b9529
* @20776309dgrogan@chromium.org2011-04-201-2/+2
| | | | | | | | | * env_chromium.cc should not export symbols. * Fix MSVC warnings. * Removed large value support. * Fix broken reference to documentation file git-svn-id: https://leveldb.googlecode.com/svn/trunk@24 62dab493-f737-651d-591e-8d6aee1b9529
* reverting disastrous MOE commit, returning to r21dgrogan@chromium.org2011-04-191-0/+102
| | | | git-svn-id: https://leveldb.googlecode.com/svn/trunk@23 62dab493-f737-651d-591e-8d6aee1b9529
* Revision created by MOE tool push_codebase.dgrogan@chromium.org2011-04-191-102/+0
| | | | | | | MOE_MIGRATION= git-svn-id: https://leveldb.googlecode.com/svn/trunk@22 62dab493-f737-651d-591e-8d6aee1b9529
* chmod a-xdgrogan@chromium.org2011-04-181-0/+0
| | | | git-svn-id: https://leveldb.googlecode.com/svn/trunk@21 62dab493-f737-651d-591e-8d6aee1b9529
* @20602303. Default file permission is now 755.dgrogan@chromium.org2011-04-121-0/+0
| | | | git-svn-id: https://leveldb.googlecode.com/svn/trunk@20 62dab493-f737-651d-591e-8d6aee1b9529
* Move include files into a leveldb subdir.jorlow@chromium.org2011-03-301-1/+1
| | | | git-svn-id: https://leveldb.googlecode.com/svn/trunk@18 62dab493-f737-651d-591e-8d6aee1b9529
* Upstream changes.jorlow@chromium.org2011-03-281-5/+6
| | | | git-svn-id: https://leveldb.googlecode.com/svn/trunk@16 62dab493-f737-651d-591e-8d6aee1b9529
* Initial checkin.jorlow@chromium.org2011-03-181-0/+101
git-svn-id: https://leveldb.googlecode.com/svn/trunk@2 62dab493-f737-651d-591e-8d6aee1b9529
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