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| author | Michael Cahill <michael.cahill@wiredtiger.com> | 2014-07-09 10:03:14 +1000 |
|---|---|---|
| committer | Michael Cahill <michael.cahill@wiredtiger.com> | 2014-07-09 10:03:14 +1000 |
| commit | 34c45cb6a3e4e161f1610c6ac604db2e0944412d (patch) | |
| tree | bd9778e3fa585e857355a23e848e5ea5c052085e /api | |
| parent | 33692a6a3ad934fa96dd62dfba2ee94fc16d3b01 (diff) | |
| download | mongo-34c45cb6a3e4e161f1610c6ac604db2e0944412d.tar.gz | |
Add support for zlib compression to the RocksDB API.
Diffstat (limited to 'api')
| -rw-r--r-- | api/leveldb/include/leveldb/options.h | 3 | ||||
| -rw-r--r-- | api/leveldb/leveldb_wt.cc | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/api/leveldb/include/leveldb/options.h b/api/leveldb/include/leveldb/options.h index 311a4d82cb0..ae4164bb318 100644 --- a/api/leveldb/include/leveldb/options.h +++ b/api/leveldb/include/leveldb/options.h @@ -31,6 +31,9 @@ enum CompressionType { // part of the persistent format on disk. kNoCompression = 0x0, kSnappyCompression = 0x1 +#ifdef HAVE_ROCKSDB + , kZlibCompression = 0x2 +#endif }; // Options to control the behavior of a database (passed to DB::Open) diff --git a/api/leveldb/leveldb_wt.cc b/api/leveldb/leveldb_wt.cc index 081dd5f4884..1609b43f3d1 100644 --- a/api/leveldb/leveldb_wt.cc +++ b/api/leveldb/leveldb_wt.cc @@ -209,6 +209,10 @@ wtleveldb_create( s_table << "leaf_item_max=" << options.block_size / 4 << ","; if (options.compression == leveldb::kSnappyCompression) s_table << "block_compressor=snappy,"; +#ifdef HAVE_ROCKSDB + if (options.compression == leveldb::kZlibCompression) + s_table << "block_compressor=zlib,"; +#endif s_table << "lsm=("; s_table << "chunk_size=" << options.write_buffer_size << ","; if (options.filter_policy) { @@ -246,6 +250,12 @@ leveldb::DB::Open(const Options &options, const std::string &name, leveldb::DB * if (options.compression == kSnappyCompression) s_conn << "extensions=[libwiredtiger_snappy.so],"; #endif +#ifdef HAVE_ROCKSDB +#ifndef HAVE_BUILTIN_ZLIB + if (options.compression == kZlibCompression) + s_conn << "extensions=[libwiredtiger_zlib.so],"; +#endif +#endif size_t cache_size = 2 * options.write_buffer_size; cache_size += (size_t)options.max_open_files * (4 << 20); if (options.block_cache) |