aa6509d8e4
Summary:
* Include `unistd.h` for `sleep(3)`
* Include `sys/time.h` for `gettimeofday(3)`
* Include `utils/random.h` for `Random64`
Error messages:
utilities/persistent_cache/hash_table_bench.cc: In constructor ‘rocksdb::HashTableBenchmark::HashTableBenchmark(rocksdb::HashTableImpl<long unsigned int, std::__cxx11::basic_string<char> >*, size_t, size_t, size_t, size_t)’:
utilities/persistent_cache/hash_table_bench.cc:76:28: error: ‘sleep’ was not declared in this scope
/* sleep override */ sleep(1);
^~~~~
utilities/persistent_cache/hash_table_bench.cc:76:28: note: suggested alternative: ‘strsep’
/* sleep override */ sleep(1);
^~~~~
strsep
utilities/persistent_cache/hash_table_bench.cc: In member function ‘void rocksdb::HashTableBenchmark::RunRead()’:
utilities/persistent_cache/hash_table_bench.cc:107:5: error: ‘Random64’ was not declared in this scope
Random64 rgen(time(nullptr));
^~~~~~~~
utilities/persistent_cache/hash_table_bench.cc:107:5: note: suggested alternative: ‘random_r’
Random64 rgen(time(nullptr));
^~~~~~~~
random_r
utilities/persistent_cache/hash_table_bench.cc:110:18: error: ‘rgen’ was not declared in this scope
size_t k = rgen.Next() % max_prepop_key;
^~~~
utilities/persistent_cache/hash_table_bench.cc: In static member function ‘static uint64_t rocksdb::HashTableBenchmark::NowInMillSec()’:
utilities/persistent_cache/hash_table_bench.cc:153:5: error: ‘gettimeofday’ was not declared in this scope
gettimeofday(&tv, /*tz=*/nullptr);
^~~~~~~~~~~~
make[2]: *** [CMakeFiles/hash_table_bench.dir/build.make:63: CMakeFiles/hash_table_bench.dir/utilities/persistent_cache/hash_table_bench.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:3346: CMakeFiles/hash_table_bench.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
Closes https://github.com/facebook/rocksdb/pull/3283
Differential Revision: D6594850
Pulled By: ajkr
fbshipit-source-id: fd83957338c210cdfd253763347aafd39476824f
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast key value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it specially suitable for storing multiple terabytes of data in a single database.
Start with example usage here: https://github.com/facebook/rocksdb/tree/master/examples
See the github wiki for more explanation.
The public interface is in include/. Callers should not include or
rely on the details of any other header files in this package. Those
internal APIs may be changed without warning.
Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/