Centos 7 安装RocksDB

curl -O https://cmake.org/files/v3.6/cmake-3.6.0-Linux-x86_64.tar.gz mv cmake-3.6.0-Linux-x86_64.tar.gz /opt/ cd /opt/ tar -xvzf cmake-3.6.0-Linux-x86_64.tar.gz yum remove cmake cat >>/etc/profile <<EOF export PATH=\$PATH:/opt/cmake-3.6.0-Linux-x86_64/bin EOF source /etc/profile

wget https://github.com/gflags/gflags/archive/v2.2.2.tar.gz 我这里是windows下载好上传的文件包 tar -xvzf gflags-2.2.2.tar.gz cd gflags-2.2.2/ mkdir build cd build/ cmake -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DINSTALL_HEADERS=ON -DINSTALL_SHARED_LIBS=ON -DINSTALL_STATIC_LIBS=ON .. make make install 添加lib信息 cat >>/etc/profile <<EOF export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:/usr/local/lib EOF source /etc/profile

wget https://github.com/facebook/rocksdb/archive/v6.4.6.tar.gz 我这里用的是windows下载的包 tar -xvzf rocksdb-6.4.6.tar.gz cd rocksdb-6.4.6/ mkdir build cd build cmake -DCMAKE_INSTALL_PREFIX=/usr/local/rocksdb .. make make install cat >>/etc/profile <<EOF export CPLUS_INCLUDE_PATH=\$CPLUS_INCLUDE_PATH:/usr/local/rocksdb/include/ export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:/usr/local/rocksdb/lib64/ export LIBRARY_PATH=\$LIBRARY_PATH:/usr/local/rocksdb/lib64/ EOF source /etc/profile

cd rocksdb-6.4.6/build/tools/ [root@es1 tools]# ./ldb -help ldb - RocksDB Tool commands MUST specify --db=<full_path_to_db_directory> when necessary The following optional parameters control if keys/values are input/output as hex or as plain strings: --key_hex : Keys are input/output as hex --value_hex : Values are input/output as hex --hex : Both keys and values are input/output as hex The following optional parameters control the database internals: --column_family=<string> : name of the column family to operate on. default: default column family --ttl with 'put','get','scan','dump','query','batchput' : DB supports ttl and value is internally timestamp-suffixed --try_load_options : Try to load option file from DB. --ignore_unknown_options : Ignore unknown options when loading option file. --bloom_bits=<int,e.g.:14> --fix_prefix_len=<int,e.g.:14> --compression_type=<no|snappy|zlib|bzip2|lz4|lz4hc|xpress|zstd> --compression_max_dict_bytes=<int,e.g.:16384> --block_size=<block_size_in_bytes> --auto_compaction=<true|false> --db_write_buffer_size=<int,e.g.:16777216> --write_buffer_size=<int,e.g.:4194304> --file_size=<int,e.g.:2097152> Data Access Commands: put <key> <value> [--ttl] get <key> [--ttl] batchput <key> <value> [<key> <value>] [..] [--ttl] scan [--from] [--to] [--ttl] [--timestamp] [--max_keys=<N>q] [--start_time=<N>:- is inclusive] [--end_time=<N>:- is exclusive] [--no_value] delete <key> deleterange <begin key> <end key> query [--ttl] Starts a REPL shell. Type help for list of available commands. approxsize [--from] [--to] checkconsistency Admin Commands: dump_wal --walfile=<write_ahead_log_file_path> [--header] [--print_value] [--write_committed=true|false] compact [--from] [--to] reduce_levels --new_levels=<New number of levels> [--print_old_levels] change_compaction_style --old_compaction_style=<Old compaction style: 0 for level compaction, 1 for universal compaction> --new_compaction_style=<New compaction style: 0 for level compaction, 1 for universal compaction> dump [--from] [--to] [--ttl] [--max_keys=<N>] [--timestamp] [--count_only] [--count_delim=<char>] [--stats] [--bucket=<N>] [--start_time=<N>:- is inclusive] [--end_time=<N>:- is exclusive] [--path=<path_to_a_file>] load [--create_if_missing] [--disable_wal] [--bulk_load] [--compact] manifest_dump [--verbose] [--json] [--path=<path_to_manifest_file>] list_column_families full_path_to_db_directory create_column_family --db=<db_path> <new_column_family_name> drop_column_family --db=<db_path> <column_family_name_to_drop> dump_live_files idump [--from] [--to] [--input_key_hex] [--max_keys=<N>] [--count_only] [--count_delim=<char>] [--stats] repair backup [--backup_env_uri] [--backup_dir] [--num_threads] [--stderr_log_level=<int (InfoLogLevel)>] restore [--backup_env_uri] [--backup_dir] [--num_threads] [--stderr_log_level=<int (InfoLogLevel)>] checkpoint [--checkpoint_dir] write_extern_sst <output_sst_path> ingest_extern_sst <input_sst_path> [--move_files] [--snapshot_consistency] [--allow_global_seqno] [--allow_blocking_flush] [--ingest_behind] [--write_global_seqno] [root@es1 tools]# pwd /root/rocksdb-6.4.6/build/tools [root@es1 tools]# ./ldb --db=/tmp/test_db --create_if_missing put a1 b1 OK [root@es1 tools]# ./ldb --db=/tmp/test_db scan a1 : b1 [root@es1 tools]# ./ldb --db=/tmp/test_db get a1 b1 [root@es1 tools]# ./ldb --db=/tmp/test_db get a2 Failed: NotFound: [root@es1 tools]# cd /tmp/test_db/ [root@es1 test_db]# ll 总用量 536 -rw-r--r--. 1 root root 26 11月 20 11:10 000003.log -rw-r--r--. 1 root root 16 11月 20 11:10 CURRENT -rw-r--r--. 1 root root 37 11月 20 11:10 IDENTITY -rw-r--r--. 1 root root 0 11月 20 11:10 LOCK -rw-r--r--. 1 root root 17288 11月 20 11:11 LOG -rw-r--r--. 1 root root 16731 11月 20 11:10 LOG.old.1574219445796772 -rw-r--r--. 1 root root 17288 11月 20 11:10 LOG.old.1574219486641937 -rw-r--r--. 1 root root 17288 11月 20 11:11 LOG.old.1574219490543572 -rw-r--r--. 1 root root 13 11月 20 11:10 MANIFEST-000001 -rw-r--r--. 1 root root 5120 11月 20 11:10 OPTIONS-000005 [root@es1 test_db]# more 000003.log

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