{"id":41499,"date":"2022-11-25T22:08:27","date_gmt":"2023-07-31T10:21:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e6%93%8d%e4%bd%9corioledb\/"},"modified":"2024-04-29T02:29:53","modified_gmt":"2024-04-28T18:29:53","slug":"%e5%b0%9d%e8%af%95%e6%93%8d%e4%bd%9corioledb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e6%93%8d%e4%bd%9corioledb\/","title":{"rendered":"\u5c1d\u8bd5\u64cd\u4f5cOrioleDB"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u662f2023\u5e7412\u67084\u65e5 PostgreSQL\u706f\u8282\u7684\u6587\u7ae0\u3002<\/p>\n

OrioleDB\u662f\u4ec0\u4e48\uff1f<\/h2>\n

OrioleDB\u662f\u7531PostgreSQL\u5f00\u53d1\u8005Alexander Korotkov\u5f00\u53d1\u7684\u65b0\u578b\u6570\u636e\u5e93\u8f6f\u4ef6\u3002\u5b83\u57fa\u4e8ePostgreSQL\uff0c\u65e8\u5728\u89e3\u51b3\u4e0ePostgreSQL\u7684\u57fa\u672c\u67b6\u6784\u76f8\u5173\u7684\u5404\u79cd\u9650\u5236\u548c\u95ee\u9898\uff0c\u5176\u4e2d\u5305\u62ec”Row-level WAL”\u3001”Lock-less buffer access”\u548c”Undo log”\u7b49\u5927\u578b\u5b9e\u65bd\u66ff\u6362\u3002<\/p>\n

\u4e0e\u6b64\u540c\u65f6\uff0cOrioleDB\u4ec5\u4ee5\u6269\u5c55\u6a21\u5757\u7684\u5f62\u5f0f\u63d0\u4f9bPostgreSQL\u7684\u8868\u8bbf\u95ee\u65b9\u6cd5\u7b49\u3002\u76ee\u524d\uff0c\u867d\u7136\u5b58\u5728\u5bf9PostgreSQL\u672c\u4f53\u7684\u4fee\u8865\u7a0b\u5e8f\uff0c\u4f46\u8fd9\u4e9b\u4fee\u8865\u7a0b\u5e8f\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5c06\u6240\u9700\u529f\u80fd\u4f5c\u4e3a\u6269\u5c55\u6a21\u5757\u5f15\u5165\uff0c\u800c\u529f\u80fd\u7684\u63d0\u4f9b\u5219\u7531\u6269\u5c55\u6a21\u5757\u6765\u63cf\u8ff0\u3002<\/p>\n

\u6211\u6700\u8fd1\u53c2\u4e0e\u4e86\u7531\u65e5\u672cPostgreSQL\u7528\u6237\u534f\u4f1a\u4e3b\u529e\u7684PostgreSQL Conference 2023\u4f5c\u4e3a\u7ba1\u7406\u8005\uff0c\u9080\u8bf7Alexander Korotkov\u5148\u751f\u5c31OrioleDB\u8fdb\u884c\u4e86\u6f14\u8bb2\u3002\u672c\u6587\u4f5c\u4e3a\u5bf9\u4ecb\u7ecd\u53ef\u80fd\u5728\u65e5\u672c\u5c1a\u4e0d\u4e3a\u4eba\u6240\u77e5\u7684OrioleDB\u7684\u8865\u5145\uff0c\u5c06\u4ecb\u7ecd\u5b9e\u9645\u64cd\u4f5c\u6b65\u9aa4\u7b49\u5185\u5bb9\u3002<\/p>\n

\u6709\u5173OrioleDB\u7684\u67b6\u6784\uff0c\u8bf7\u53c2\u8003\u53d1\u5e03\u7269\u4e2d\u7684\u6587\u6863\u3001\u4f1a\u8bae\u6f14\u8bb2\u8d44\u6599\u4ee5\u53ca\u5148\u524d\u7684\u6f14\u8bb2\u8d44\u6599\u3002<\/p>\n

\u5b89\u88dd\u6b65\u9a5f<\/h2>\n

\u5982\u679c\u5df2\u7ecf\u4ee5\u6e90\u4ee3\u7801\u65b9\u5f0f\u5b89\u88c5\u8fc7PostgreSQL\u6216\u8005\u6784\u5efa\u5e76\u5b89\u88c5\u8fc7\u6269\u5c55\u6a21\u5757\uff0c\u90a3\u4e48\u5b89\u88c5OrioleDB\u5e76\u4e0d\u662f\u592a\u96be\u3002\u6240\u9700\u7684\u6784\u5efa\u73af\u5883\u4e0ePostgreSQL\u5927\u81f4\u76f8\u540c\u3002\u4ee5\u4e0b\u662f\u5728\u5d2d\u65b0\u7684Rocky Linux 9.1\u4e0a\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n

# dnf install -y git gcc bison flex python perl\r\n# dnf install -y zlib-devel readline-devel libicu-devel openssl-devel libzstd-devel lz4-devel\r\n# dnf install -y pip  # \u5f8c\u3067 testgres \u3092\u5c0e\u5165\u3059\u308b\u305f\u3081\r\n<\/code><\/pre>\n
\u4e3a\u4e86\u521b\u5efa\u6bd4\u8f83\u7528\u7684postgres\u7528\u6237\uff0c\u6211\u4eec\u9700\u8981\u5148\u5b89\u88c5\u5e38\u89c4\u7684PostgreSQL 16\u5305\u3002<\/p>\n
# dnf install -y https:\/\/download.postgresql.org\/pub\/repos\/yum\/reporpms\/EL-9-x86_64\/pgdg-redhat-repo-latest.noarch.rpm\r\n# dnf -qy module disable postgresql\r\n# dnf install -y postgresql16-server\r\n<\/code><\/pre>\n
\u9996\u5148\uff0c\u6211\u4eec\u5c06\u5b89\u88c5\u5e94\u7528\u4e86 OrioleDB \u8865\u4e01\u7684 PostgreSQL\u3002\u5b83\u4ee5 git \u5b58\u50a8\u5e93\u7684\u5f62\u5f0f\u63d0\u4f9b\uff0c\u4f46\u7531\u4e8e\u5305\u542b\u6574\u4e2a PostgreSQL \u5e76\u4e14\u5927\u5c0f\u8f83\u5927\uff0c\u56e0\u6b64\u53ea\u9700\u83b7\u53d6\u6700\u65b0\u7684\u5feb\u7167\u5373\u53ef\u3002”orioledb” \u7684 README.md \u6587\u4ef6\u4e2d\u4e3a\u6bcf\u4e2a PostgreSQL \u4e3b\u8981\u7248\u672c\u7cfb\u5217\u90fd\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u94fe\u63a5\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b89\u88c5\u9002\u7528\u4e8e PostgreSQL 16.x \u7684 18 \u7248\u672c\u7684\u8865\u4e01\u3002<\/p>\n
# mkdir \/usr\/local\/pgsql\r\n# chown postgres:postgres \/usr\/local\/pgsql\r\n# su - postgres\r\n$ wget https:\/\/github.com\/orioledb\/postgres\/archive\/refs\/tags\/patches16_18.zip\r\n$ unzip patches16_18.zip\r\n$ cd postgres-patches16_18\/\r\n$ .\/configure --prefix=\/usr\/local\/pgsql\/16orioledb --enable-debug --with-openssl --with-zstd --with-lz4\r\n$ make world-bin\r\n$ make install-world-bin\r\n$ cd -\r\n<\/code><\/pre>\n
\u5b89\u88c5\u5e26\u6709\u8865\u4e01\u7684PostgreSQL\u540e\uff0c\u8bf7\u8bbe\u7f6e\u4e00\u4e0b\u73af\u5883\u53d8\u91cf\u8def\u5f84\u3002\u53e6\u5916\uff0c\u4e5f\u8981\u8bbe\u7f6e\u597dPGDATA\u73af\u5883\u53d8\u91cf\u3002<\/p>\n
$ cat > 16orioledb.env <<EOF\r\nexport PATH=\/usr\/local\/pgsql\/16orioledb\/bin:$PATH\r\nexport LD_LIBRARY_PATH=\/usr\/local\/pgsql\/16orioledb\/lib:$LD_LIBRARY_PATH\r\nexport PGDATA=\/var\/lib\/pgsql\/16\/odata\r\nEOF\r\n$ . 16orioledb.env\r\n$ echo \". 16orioledb.env\" >> .bash_profile\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5f15\u5165 orioledb \u6269\u5c55\u3002\u4f7f\u7528\u6700\u65b0\u7684\u4ed3\u5e93\u7248\u672c\uff08\u622a\u81f3 2023\u5e7412\u67082\u65e5\u6587\u7ae0\u64b0\u5199\u65f6\uff09\u3002
\n\u5b89\u88c5\u8fc7\u7a0b\u9075\u5faa\u4e00\u822c\u7684\u6269\u5c55\u5b89\u88c5\u6b65\u9aa4\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u8981\u660e\u786e\u6307\u5b9a Makefile \u53d8\u91cf ORIOLEDB_PATCHSET_VERSION\u3002\u867d\u7136\u5728 README.md \u7684 Installation \u90e8\u5206\u6ca1\u6709\u63d0\u53ca\uff0c\u4f46\u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u81ea\u52a8\u5224\u65ad\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n
$ git clone https:\/\/github.com\/orioledb\/orioledb.git\r\n$ cd orioledb\r\n$ make USE_PGXS=1 ORIOLEDB_PATCHSET_VERSION=18\r\n$ make USE_PGXS=1 ORIOLEDB_PATCHSET_VERSION=18 install\r\n<\/code><\/pre>\n
\u5982\u679c\u5b89\u88c5\u4e86orioledb\u6269\u5c55\uff0c\u90a3\u4e48\u6267\u884cinitdb\u5e76\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n
$ initdb --no-locale -E UTF8\r\n$ vi $PGDATA\/postgresql.conf\r\n  (\u4ee5\u4e0b\u3092\u8a2d\u5b9a)\r\n  shared_preload_libraries = 'orioledb'\r\n  logging_collector = on\r\n\r\n$ pg_ctl start\r\n<\/code><\/pre>\n
\u5982\u679c\u5b89\u88c5\u4e86\u5305\u542b OrioleDB \u6269\u5c55\u7684 PostgreSQL\uff08\u5373 OrioleDB\uff09\uff0c\u90a3\u4e48\u5728\u542f\u52a8\u65f6\uff0c\u5efa\u8bae\u6267\u884c\u56de\u5f52\u6d4b\u8bd5\u3002\u8fd9\u662f\u4f7f\u7528\u5b58\u50a8\u5e93\u6700\u65b0\u7248\u672c\u65f6\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u7531\u4e8e testgres \u5de5\u5177\u7528\u4e8e OrioleDB \u7684\u56de\u5f52\u6d4b\u8bd5\uff0c\u56e0\u6b64\u8bf7\u5148\u901a\u8fc7 pip \u672c\u5730\u5b89\u88c5\u8be5\u5de5\u5177\u3002<\/p>\n
$ pip install testgres\r\n$ make USE_PGXS=1 ORIOLEDB_PATCHSET_VERSION=18 installcheck\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u6d4b\u8bd5\u7684\u89c4\u6a21\u76f8\u5f53\u5927\uff0c\u8981\u7b49\u51e0\u5206\u949f\u624d\u80fd\u7ed3\u675f\u3002\u5728\u672c\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u6210\u529f\u5730\u901a\u8fc7\u4e86\u6240\u6709\u7684\u68c0\u67e5\uff0c\u6d4b\u8bd5\u987a\u5229\u5b8c\u6210\u3002<\/p>\n
\u8bd5\u7740\u52a8\u4e00\u4e0b<\/h2>\n
\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3adb1\u7684\u6570\u636e\u5e93\uff0c\u5c06orioledb\u4f5c\u4e3a\u9ed8\u8ba4\u7684\u8868\u8bbf\u95ee\u65b9\u6cd5\u3002<\/p>\n
$<\/span> psql<\/span>\r\npostgres<\/span>=#<\/span> CREATE<\/span> DATABASE<\/span> db1<\/span>;<\/span>\r\npostgres<\/span>=#<\/span> ALTER<\/span> DATABASE<\/span> db1<\/span> SET<\/span> default_table_access_method<\/span> TO<\/span> orioledb<\/span>;<\/span>\r\npostgres<\/span>=#<\/span> \\<\/span>q<\/span>\r\n<\/code><\/pre>\n
\u5bf9\u4e8e orioledb\uff0c\u6709\u5404\u79cd\u4e0d\u540c\u7684 postgresql.conf \u914d\u7f6e\u53c2\u6570\u53ef\u4f9b\u9009\u62e9\uff0c\u4f46\u9996\u5148\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5728\u4e0d\u8fdb\u884c\u4efb\u4f55\u8c03\u6574\u7684\u60c5\u51b5\u4e0b\u8fd0\u884c pgbench\u3002\u6267\u884c\u7684\u673a\u5668\u662f Azure \u7684 Standard D2s v3\uff082 \u4e2a\u865a\u62df CPU\u30018 GiB \u5185\u5b58\uff09\u3002\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u5c1d\u8bd5\u8bfb\u5199\u6570\u636e\u5e76\u4e0e\u666e\u901a\u7684 PostgreSQL \u8fdb\u884c\u7b80\u5355\u6bd4\u8f83\u3002<\/p>\n
$ pgbench -i -s 10 db1\r\n$ pgbench -c 16 -T 120 -s 10 db1\r\npgbench (16rc1)\r\npgbench: warning: scale option ignored, using count from pgbench_branches table (10)\r\nstarting vacuum...end.\r\ntransaction type: <builtin: TPC-B (sort of)>\r\nscaling factor: 10\r\nquery mode: simple\r\nnumber of clients: 16\r\nnumber of threads: 1\r\nmaximum number of tries: 1\r\nduration: 120 s\r\nnumber of transactions actually processed: 159175\r\nnumber of failed transactions: 0 (0.000%)\r\nlatency average = 12.062 ms\r\ninitial connection time = 45.113 ms\r\ntps = 1326.491695 (without initial connection time)\r\n<\/code><\/pre>\n
\u8fd0\u884c3\u6b21\uff0ctps\u5206\u522b\u4e3a1326.491695\u30011264.996140\u30011387.240085\u3002
\n\u5728\u666e\u901a\u7684PostgreSQL 16\u4e2d\u5728\u540c\u4e00\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u65f6\uff0ctps\u4e3a1305.715921\u30011278.107693\u30011282.910015\u3002
\n\u4ec5\u901a\u8fc7\u8fd9\u6837\u7684\u6bd4\u8f83\u6765\u8bf4\uff0c\u7a0d\u5fae\u6bd4\u666e\u901a\u7684PostgreSQL\u5feb\u4e00\u70b9\uff0c\u5e76\u6ca1\u6709\u592a\u5927\u610f\u4e49\u3002\u91cd\u8981\u7684\u662f\uff0c\u4e0d\u9700\u8981\u8003\u8651\u4efb\u4f55\u4e8b\u60c5\uff0c\u4e0d\u9700\u8981\u8fdb\u884c\u4efb\u4f55\u8c03\u6574\uff0c\u5b83\u53ef\u4ee5\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u8fd0\u884c\u5e76\u5177\u6709\u76f8\u540c\u7684\u6027\u80fd\u6c34\u5e73\u3002
\n\u5373\u4f7f\u6269\u5c55\u7684\u4e0ePostgreSQL\u517c\u5bb9\u7684\u6570\u636e\u5e93\u8f6f\u4ef6\u53ef\u4ee5\u6bd4\u666e\u901a\u7684PostgreSQL\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\uff0c\u4f46\u5982\u679c\u4e3a\u6b64\u9700\u8981\u590d\u6742\u7684\u8bbe\u7f6e\uff0c\u90a3\u5c31\u53d8\u5f97\u4e0d\u592a\u65b9\u4fbf\u3002\u8ba4\u4e3a\u4f7f\u7528\u8d77\u6765\u4e0e\u666e\u901a\u7684PostgreSQL\u76f8\u540c\uff0c\u4e0d\u4f1a\u53d1\u751f\u4ec0\u4e48\u4e0d\u597d\u7684\u4e8b\u60c5\uff0c\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u4f18\u70b9\u3002<\/p>\n
\u6211\u5c1d\u8bd5\u8fdb\u884c\u590d\u5236<\/h2>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u5efa\u7acb\u6d41\u5f0f\u590d\u5236\u3002
\n\u540c\u6837\u5730\uff0c\u8ba9\u6211\u4eec\u50cf\u6267\u884c\u666e\u901a PostgreSQL \u4e00\u6837\u6267\u884c\u547d\u4ee4\u800c\u4e0d\u52a0\u8003\u8651\u3002
\n\u4e8b\u5148\u57281\u53f7\u673a\u7684postgresql.conf\u4e2d\u8bbe\u7f6elisten_addresses = ‘*’\uff0c\u5728pg_hba.conf\u4e2d\u8bbe\u7f6e\u5141\u8bb82\u53f7\u673a\u7684\u590d\u5236\u8fde\u63a5\u4f7f\u7528trust\u8eab\u4efd\u9a8c\u8bc1\u65b9\u5f0f\u3002<\/p>\n
[postgres@orioledb1 ~]$ vi $PGDATA\/postgresql.conf\r\n  \uff08\u4ee5\u4e0b\u3092\u8a2d\u5b9a\uff09\r\n   listen_addresses = '*'\r\n   \r\n[postgres@orioledb1 ~]$ vi $PGDATA\/pg_hba.conf\r\n  \uff08\u4ee5\u4e0b\u3092\u8a2d\u5b9a\uff09\r\n   host    replication     all             10.0.0.5\/32            trust\r\n<\/code><\/pre>\n
[postgres@orioledb2 ~]$ pg_basebackup -D $PGDATA -h 10.0.0.4 -R\r\n[postgres@orioledb2 ~]$ pg_ctl start\r\nwaiting for server to start....2023-12-03 13:58:38.378 UTC [6301] LOG:  registered custom resource manager \"OrioleDB resource manager\" with ID 129\r\n2023-12-03 13:58:38.449 UTC [6301] LOG:  OrioleDB public beta 3 started\r\n2023-12-03 13:58:38.497 UTC [6301] LOG:  redirecting log output to logging collector process\r\n2023-12-03 13:58:38.497 UTC [6301] HINT:  Future log output will appear in directory \"log\".\r\n done\r\nserver started\r\n<\/code><\/pre>\n
\u4f7f\u7528-R\u9009\u9879\u81ea\u52a8\u751f\u6210\u70ed\u5907\u4efd\u8bbe\u7f6e\uff0c\u6307\u5b9a1\u53f7\u673a\u5668\uff0810.0.0.4\uff09\u7684-h\u9009\u9879\uff0c\u5e76\u6267\u884cpg_basebackup\u547d\u4ee4\u3002
\n\u5b8c\u6bd5\u540e\u4f7f\u7528pg_ctl start\u542f\u52a8\u3002\u6b65\u9aa4\u4e0e\u666e\u901a\u7684PostgreSQL\u76f8\u540c\u3002<\/p>\n
\u7136\u800c\uff0c\u901a\u8fc7\u4f7f\u7528ps\u547d\u4ee4\u6765\u68c0\u67e5\u8fdb\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0orioledb\u72ec\u7279\u7684\u673a\u5236\u6b63\u5728\u8fd0\u4f5c\u3002\u67096\u4e2a”orioledb recovery worker”\u8fdb\u7a0b\u6b63\u5728\u5e76\u884c\u6267\u884c\u3002<\/p>\n
[postgres@orioledb2 ~]$ ps x\r\n    PID TTY      STAT   TIME COMMAND\r\n   4770 pts\/1    S      0:00 -bash\r\n   6301 ?        Ss     0:00 \/usr\/local\/pgsql\/16orioledb\/bin\/postgres\r\n   6302 ?        Ss     0:00 postgres: logger\r\n   6303 ?        Ss     0:00 postgres: checkpointer\r\n   6304 ?        Ss     0:00 postgres: background writer\r\n   6305 ?        Ss     0:00 postgres: startup recovering 0000000100000000000000\r\n   6306 ?        Ss     0:00 postgres: orioledb background writer\r\n   6307 ?        Ss     0:00 postgres: orioledb recovery worker 3\r\n   6308 ?        Ss     0:00 postgres: orioledb recovery worker 2\r\n   6309 ?        Ss     0:00 postgres: orioledb recovery worker 1\r\n   6310 ?        Ss     0:00 postgres: orioledb recovery worker 0\r\n   6311 ?        Ss     0:00 postgres: orioledb recovery worker 5\r\n   6312 ?        Ss     0:00 postgres: orioledb recovery worker 4\r\n   6313 ?        Ss     0:00 postgres: walreceiver streaming 0\/16000060\r\n   6314 pts\/1    R+     0:00 ps x\r\n<\/code><\/pre>\n
\u80fd\u591f\u5728\u4f7f\u7528 orioledb \u4f5c\u4e3a\u9ed8\u8ba4\u8868\u8bbf\u95ee\u65b9\u6cd5\u7684 db1 \u4e2d\u8fdb\u884c\u590d\u5236\u64cd\u4f5c\u3002<\/p>\n
[<\/span>postgres<\/span>@<\/span>orioledb1<\/span> ~<\/span>]<\/span>$<\/span> psql<\/span> db1<\/span>\r\ndb1<\/span>=#<\/span> UPDATE<\/span> pgbench_accounts<\/span> SET<\/span> filler<\/span> =<\/span> 'test'<\/span> WHERE<\/span> aid<\/span> =<\/span> 12345<\/span>;<\/span>\r\nUPDATE<\/span> 1<\/span>\r\n<\/code><\/pre>\n
[<\/span>postgres<\/span>@<\/span>orioledb2<\/span> ~<\/span>]<\/span>$<\/span> psql<\/span> db1<\/span>\r\ndb1<\/span>=#<\/span> SELECT<\/span> *<\/span> FROM<\/span> pgbench_accounts<\/span> WHERE<\/span> aid<\/span> =<\/span> 12345<\/span>;<\/span>\r\n  aid<\/span>  |<\/span> bid<\/span> |<\/span> abalance<\/span> |<\/span>                                        filler<\/span>\r\n\r\n-------+-----+----------+-------------------------------------------------------<\/span>\r\n-------------------------------<\/span>\r\n 12345<\/span> |<\/span>   1<\/span> |<\/span>        0<\/span> |<\/span> test<\/span>\r\n\r\n(<\/span>1<\/span> row<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528orioledb\u6269\u5c55\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u672a\u4f7f\u7528\u7684\u6570\u636e\u5e93\u8fdb\u884c\u590d\u5236\u3002<\/p>\n
[<\/span>postgres<\/span>@<\/span>orioledb1<\/span> ~<\/span>]<\/span>$<\/span> createdb<\/span> db2<\/span>\r\n[<\/span>postgres<\/span>@<\/span>orioledb1<\/span> ~<\/span>]<\/span>$<\/span> psql<\/span> db2<\/span>\r\ndb2<\/span>=#<\/span> CREATE<\/span> TABLE<\/span> t2<\/span> (<\/span>id<\/span> int<\/span> primary<\/span> key<\/span>,<\/span> v<\/span> text<\/span>);<\/span>\r\nCREATE<\/span> TABLE<\/span>\r\ndb2<\/span>=#<\/span> INSERT<\/span> INTO<\/span> t2<\/span> VALUES<\/span> (<\/span>1<\/span>,<\/span> 'foo'<\/span>);<\/span>\r\nINSERT<\/span> 0<\/span> 1<\/span>\r\n<\/code><\/pre>\n
[<\/span>postgres<\/span>@<\/span>orioledb2<\/span> ~<\/span>]<\/span>$<\/span> psql<\/span> db2<\/span>\r\ndb2<\/span>=#<\/span> SELECT<\/span> *<\/span> FROM<\/span> t2<\/span>;<\/span>\r\n id<\/span> |<\/span>  v<\/span>\r\n----+-----<\/span>\r\n  1<\/span> |<\/span> foo<\/span>\r\n(<\/span>1<\/span> row<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u4e00\u822c\u7684\u7684PostgreSQL\u590d\u5236\u548c\u6269\u5c55\u529f\u80fd\u65e0\u7f1d\u8fd0\u884c\u3002<\/p>\n
\u6211\u770b\u770b\u76ee\u5f55\u4e2d\u6709\u4ec0\u4e48<\/h2>\n
\u7531\u4e8e OrioleDB \u662f\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u4e8e PostgreSQL \u6807\u51c6\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u6240\u4ee5\u6570\u636e\u5e93\u96c6\u7fa4\u76ee\u5f55\u7684\u5185\u5bb9\u5e94\u8be5\u4e5f\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u5b83\u4f1a\u662f\u4ec0\u4e48\u6837\u5462\uff1f<\/p>\n
\u5f53\u4f7f\u7528 psql \u6765\u5f15\u7528\u5c06 orioledb \u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u8868\u8bbf\u95ee\u65b9\u6cd5\u7684 db1 \u6570\u636e\u5e93\u65f6\uff0c\u5c06\u81ea\u52a8\u521b\u5efa\u56db\u4e2a\u7cfb\u7edf\u89c6\u56fe\u3002\u8fd9\u4e9b\u89c6\u56fe\u5c06\u663e\u793a\u4e0e\u8868\u538b\u7f29\u72b6\u6001\u548c\u8868\u7d22\u5f15\u76f8\u5173\u7684 orioledb \u7279\u5b9a\u4fe1\u606f\u3002<\/p>\n
[postgres@orioledb1 ~]$ psql db1\r\npsql (16rc1)\r\nType \"help\" for help.\r\n\r\ndb1=# \\d\r\n                List of relations\r\n Schema |         Name         | Type  |  Owner\r\n--------+----------------------+-------+----------\r\n public | orioledb_index       | view  | postgres\r\n public | orioledb_index_descr | view  | postgres\r\n public | orioledb_table       | view  | postgres\r\n public | orioledb_table_descr | view  | postgres\r\n public | pgbench_accounts     | table | postgres\r\n public | pgbench_branches     | table | postgres\r\n public | pgbench_history      | table | postgres\r\n public | pgbench_tellers      | table | postgres\r\n(8 rows)\r\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u5f53\u4f7f\u7528oriole\u8868\u8bbf\u95ee\u65b9\u6cd5\u6765\u67e5\u770b\u8868\u7684\u6267\u884c\u8ba1\u5212\u65f6\uff0c\u6211\u4eec\u53d1\u73b0\u6267\u884c\u8ba1\u5212\u662f\u57fa\u4e8e\u81ea\u5b9a\u4e49\u626b\u63cf\u7684\u3002<\/p>\n
b1<\/span>=#<\/span> EXPLAIN<\/span> SELECT<\/span> *<\/span> FROM<\/span> pgbench_accounts<\/span> WHERE<\/span> aid<\/span> =<\/span> 1234<\/span>;<\/span>\r\n                                 QUERY<\/span> PLAN<\/span>\r\n-----------------------------------------------------------------------------<\/span>\r\n Custom<\/span> Scan<\/span> (<\/span>o_scan<\/span>)<\/span> on<\/span> pgbench_accounts<\/span>  (<\/span>cost<\/span>=<\/span>0<\/span>.<\/span>17<\/span>..<\/span>8<\/span>.<\/span>19<\/span> rows<\/span>=<\/span>1<\/span> width<\/span>=<\/span>97<\/span>)<\/span>\r\n   Forward<\/span> index<\/span> scan<\/span> of<\/span>:<\/span> pgbench_accounts_pkey<\/span>\r\n   Conds<\/span>:<\/span> (<\/span>aid<\/span> =<\/span> 1234<\/span>)<\/span>\r\n(<\/span>3<\/span> rows<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u6570\u636e\u5e93\u7fa4\u96c6\u76ee\u5f55\u73b0\u5728\u662f\u4ec0\u4e48\u6837\u5b50\u5462\uff1f\u65b0\u589e\u4e86 orioledb_data\u3001orioledb_undo \u76ee\u5f55\u3002<\/p>\n
$ cd $PGDATA\/\r\n$ ls\r\nPG_VERSION        pg_commit_ts   pg_replslot   pg_twophase\r\nbase              pg_dynshmem    pg_serial     pg_wal\r\ncurrent_logfiles  pg_hba.conf    pg_snapshots  pg_xact\r\nglobal            pg_ident.conf  pg_stat       postgresql.auto.conf\r\nlog               pg_logical     pg_stat_tmp   postgresql.conf\r\norioledb_data     pg_multixact   pg_subtrans   postmaster.opts\r\norioledb_undo     pg_notify      pg_tblspc     postmaster.pid\r\n\r\n$ ls orioledb_data\/\r\n0000000000.xidmap  1  16388  6.xid  control\r\n\r\n$ ls orioledb_data\/16388\/\r\n16462        16477-5.tmp  16482-7.map  16488-6.map  16489-7.tmp  16498\r\n16476        16477-6.map  16483        16488-7.evt  16495        16498-5.map\r\n16476-3.map  16477-6.tmp  16483-5.tmp  16488-7.map  16496        16498-6.map\r\n16476-6.map  16482        16483-6.map  16489        16496-5.map\r\n16476-7.evt  16482-3.map  16483-6.tmp  16489-6.map  16496-6.map\r\n16476-7.map  16482-6.map  16488        16489-6.tmp  16496-7.evt\r\n16477        16482-7.evt  16488-3.map  16489-7.map  16496-7.map\r\n\r\n$ ls orioledb_undo\/\r\n0000000002  0000000003  0000000004\r\n<\/code><\/pre>\n
orioledb_data\u662f\u6570\u636e\u7684\u76ee\u5f55\u3002\u6bcf\u4e2a\u6570\u636e\u5e93\u90fd\u6709\u4e00\u4e2a\u5b50\u76ee\u5f55\uff0c\u5176\u4e2d\u5b58\u653e\u7740\u8868\u7684\u6570\u636e\u6587\u4ef6\u3002
\norioledb_undo\u662fUNDO\u65e5\u5fd7\u7684\u76ee\u5f55\u3002\u5f53\u6709\u66f4\u65b0\u5de5\u4f5c\u8d1f\u8f7d\u65f6\uff0c\u8be5\u6587\u4ef6\u4f1a\u589e\u52a0\u5e76\u8f6e\u66ff\u3002<\/p>\n
\u8fd9\u662f\u8fc4\u4eca\u4e3a\u6b62\u7684\u603b\u7ed3\u3002<\/h2>\n
\u8bf7\u95ee\u60a8\u5bf9\u672c\u7bc7\u6587\u7ae0\u7684\u5370\u8c61\u5982\u4f55\uff1f
\nOrioleDB\u7684\u51fa\u8272\u4e4b\u5904\u5728\u4e8e\u5b83\u91c7\u7528\u4e86\u4e0d\u540c\u7684\u67b6\u6784\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u4e0e\u5e38\u89c4\u7684PostgreSQL\u76f8\u540c\u7684\u6613\u7528\u6027\uff0c\u8fd9\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u4f7f\u7528\u4e00\u79cd\u5168\u65b0\u7684\u6570\u636e\u5e93\u8f6f\u4ef6\u3002<\/p>\n
\u5982\u679c\u6709\u673a\u4f1a\uff0c\u6211\u60f3\u5728\u53e6\u4e00\u4e2a\u573a\u5408\u7684\u6587\u7ae0\u4e2d\u8ba8\u8bbaOrioleDB\u7684\u72ec\u7279\u529f\u80fd\uff0c\u6027\u80fd\u63d0\u5347\u80fd\u529b\u4ee5\u53ca\u6709\u6548\u4f7f\u7528\u65b9\u6cd5\u7b49\u65b9\u9762\u7684\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u7bc7\u6587\u7ae0\u662f2023\u5e7412\u67084\u65e5 PostgreSQL\u706f\u8282\u7684\u6587\u7ae0\u3002 OrioleDB\u662f\u4ec0\u4e48\uff1f OrioleDB\u662f […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41499","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5c1d\u8bd5\u64cd\u4f5cOrioleDB - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u64cd\u4f5corioledb\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c1d\u8bd5\u64cd\u4f5cOrioleDB\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u7bc7\u6587\u7ae0\u662f2023\u5e7412\u67084\u65e5 PostgreSQL\u706f\u8282\u7684\u6587\u7ae0\u3002 OrioleDB\u662f\u4ec0\u4e48\uff1f OrioleDB\u662f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u64cd\u4f5corioledb\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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