Revision 2a0f3d0de12ddb0d538e2d221c682536acd885d1 authored by Aaron Gao on 21 February 2017, 18:11:04 UTC, committed by Facebook Github Bot on 21 February 2017, 18:24:17 UTC
Summary: reimplement the compaction expansion on lower level. Considering such a case: input level file: 1[B E] 2[F G] 3[H I] 4 [J M] output level file: 5[A C] 6[D K] 7[L O] If we initially pick file 2, now we will compact file 2 and 6. But we can safely compact 2, 3 and 6 without expanding the output level. The previous code is messy and wrong. In this diff, I first determine the input range [a, b], and output range [c, d], then we get the range [e,f] = [min(a, c), max(b, d] and put all eligible clean-cut files within [e, f] into this compaction. **Note: clean-cut means the files don't have the same user key on the boundaries of some files that are not chosen in this compaction**. Closes https://github.com/facebook/rocksdb/pull/1760 Differential Revision: D4395564 Pulled By: lightmark fbshipit-source-id: 2dc2c5c
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| File | Mode | Size |
|---|---|---|
| win | ||
| README | -rw-r--r-- | 405 bytes |
| dirent.h | -rw-r--r-- | 1.2 KB |
| likely.h | -rw-r--r-- | 788 bytes |
| port.h | -rw-r--r-- | 872 bytes |
| port_example.h | -rw-r--r-- | 3.7 KB |
| port_posix.cc | -rw-r--r-- | 4.7 KB |
| port_posix.h | -rw-r--r-- | 5.2 KB |
| stack_trace.cc | -rw-r--r-- | 3.5 KB |
| stack_trace.h | -rw-r--r-- | 686 bytes |
| sys_time.h | -rw-r--r-- | 1.3 KB |
| util_logger.h | -rw-r--r-- | 981 bytes |
| xpress.h | -rw-r--r-- | 725 bytes |
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