\u4e0b\u9762\u662f\u4e00\u5957 Debian 13 + PostgreSQL \u6807\u51c6\u90e8\u7f72\u65b9\u6848\uff0c\u7279\u70b9\u662f\uff1a\n\u2022 \u7a0b\u5e8f\u5b89\u88c5\u5728\u7cfb\u7edf\u76d8\n\u2022 \u6570\u636e\u548c\u65e5\u5fd7\u5168\u90e8\u653e\u5230\u65b0\u6302\u8f7d\u78c1\u76d8\n\u2022 \u907f\u514d\u65e5\u5fd7\u6491\u7206\u7cfb\u7edf\u76d8\n\u2022 \u9002\u5408 SATA \u76d8\u73af\u5883<\/p>\n
\u8fd9\u4e5f\u662f\u5f88\u591a\u4f01\u4e1a\u670d\u52a1\u5668\u7684\u5e38\u89c1\u90e8\u7f72\u65b9\u5f0f\u3002<\/p>\n
\u4e00\u3001\u6700\u7ec8\u76ee\u5f55\u7ed3\u6784\uff08\u63a8\u8350\uff09<\/p>\n
\u5047\u8bbe\u4f60\u65b0\u6302\u8f7d\u7684\u76d8\u662f\uff1a<\/p>\n
\/data<\/p>\n
\u6700\u7ec8\u7ed3\u6784\u5efa\u8bae\uff1a<\/p>\n
\/usr\/lib\/postgresql\/ # PostgreSQL\u7a0b\u5e8f\uff08\u7cfb\u7edf\u76d8\uff09\n\/etc\/postgresql\/ # PostgreSQL\u914d\u7f6e\uff08\u7cfb\u7edf\u76d8\uff09<\/p>\n
\/data\/postgresql\/\n\u251c\u2500\u2500 data\/ # \u6570\u636e\u76ee\u5f55\n\u251c\u2500\u2500 wal\/ # WAL\u65e5\u5fd7\n\u2514\u2500\u2500 log\/ # PostgreSQL\u8fd0\u884c\u65e5\u5fd7<\/p>\n
\u8fd9\u6837\u597d\u5904\uff1a\n\u2022 \u7cfb\u7edf\u76d8\u4e0d\u4f1a\u88ab\u6570\u636e\u5e93\u6491\u6ee1\n\u2022 \u6570\u636e\u548c\u65e5\u5fd7\u5168\u90e8\u5728\u6570\u636e\u76d8\n\u2022 IO\u66f4\u6e05\u6670<\/p>\n
\u4e8c\u3001\u786e\u8ba4\u65b0\u78c1\u76d8\u5df2\u7ecf\u6302\u8f7d<\/p>\n
\u5148\u786e\u8ba4\uff1a<\/p>\n
lsblk<\/p>\n
\u5047\u8bbe\u770b\u5230\uff1a<\/p>\n
sda 200G \/\nsdb 1T<\/p>\n
\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n
mkfs.ext4 \/dev\/sdb<\/p>\n
\u521b\u5efa\u6302\u8f7d\u70b9\uff1a<\/p>\n
mkdir \/data<\/p>\n
\u6302\u8f7d\uff1a<\/p>\n
mount \/dev\/sdb \/data<\/p>\n
\u8bbe\u7f6e\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\uff1a<\/p>\n
nano \/etc\/fstab<\/p>\n
\u6dfb\u52a0\uff1a<\/p>\n
\/dev\/sdb \/data ext4 defaults 0 0<\/p>\n
\u786e\u8ba4\uff1a<\/p>\n
df -h<\/p>\n
\u5e94\u8be5\u770b\u5230\uff1a<\/p>\n
\/dev\/sdb 1T \/data<\/p>\n
\u4e09\u3001\u5b89\u88c5 PostgreSQL<\/p>\n
Debian \u5b98\u65b9\u6e90\u5b89\u88c5\uff1a<\/p>\n
apt update\napt install postgresql<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\u7cfb\u7edf\u4f1a\u81ea\u52a8\u521b\u5efa\uff1a<\/p>\n
\/var\/lib\/postgresql\/16\/main<\/p>\n
\u5e76\u542f\u52a8\u6570\u636e\u5e93\u3002<\/p>\n
\u5148\u505c\u6b62\uff1a<\/p>\n
systemctl stop postgresql<\/p>\n
\u56db\u3001\u521b\u5efa\u65b0\u7684\u6570\u636e\u5e93\u76ee\u5f55<\/p>\n
\u521b\u5efa\u76ee\u5f55\u7ed3\u6784\uff1a<\/p>\n
mkdir -p \/data\/postgresql\/data\nmkdir -p \/data\/postgresql\/wal\nmkdir -p \/data\/postgresql\/log<\/p>\n
\u4fee\u6539\u6743\u9650\uff1a<\/p>\n
chown -R postgres:postgres \/data\/postgresql\nchmod 700 \/data\/postgresql\/data<\/p>\n
\u4e94\u3001\u8fc1\u79fb\u6570\u636e\u5e93\u6570\u636e<\/p>\n
\u590d\u5236\u539f\u59cb\u6570\u636e\uff1a<\/p>\n
rsync -av \/var\/lib\/postgresql\/ \/data\/postgresql\/data\/<\/p>\n
\u6ce8\u610f\uff1a\n\u539f\u8def\u5f84\u662f\uff1a<\/p>\n
\/var\/lib\/postgresql\/16\/main<\/p>\n
\u8fc1\u79fb\u540e\u4f1a\u53d8\u6210\uff1a<\/p>\n
\/data\/postgresql\/data\/16\/main<\/p>\n
\u516d\u3001\u4fee\u6539 PostgreSQL \u914d\u7f6e<\/p>\n
\u7f16\u8f91\u914d\u7f6e\uff1a<\/p>\n
nano \/etc\/postgresql\/16\/main\/postgresql.conf<\/p>\n
\u4fee\u6539\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n
1 \u4fee\u6539\u6570\u636e\u76ee\u5f55<\/p>\n
\u627e\u5230\uff1a<\/p>\n
data_directory<\/p>\n
\u6539\u6210\uff1a<\/p>\n
data_directory = ‘\/data\/postgresql\/data\/16\/main’<\/p>\n
2 \u4fee\u6539 WAL \u65e5\u5fd7\u76ee\u5f55<\/p>\n
\u627e\u5230\uff1a<\/p>\n
#wal_log_hints = off<\/p>\n
\u5728\u4e0b\u9762\u6dfb\u52a0\uff1a<\/p>\n
wal_directory = ‘\/data\/postgresql\/wal’<\/p>\n
\uff08\u5982\u679c\u7248\u672c\u4e0d\u652f\u6301\uff0c\u53ef\u4ee5\u5ffd\u7565\uff09<\/p>\n
3 \u4fee\u6539\u65e5\u5fd7\u76ee\u5f55<\/p>\n
\u627e\u5230\uff1a<\/p>\n
log_directory<\/p>\n
\u6539\u6210\uff1a<\/p>\n
log_directory = ‘\/data\/postgresql\/log’<\/p>\n
\u5e76\u5f00\u542f\u65e5\u5fd7\uff1a<\/p>\n
logging_collector = on<\/p>\n
\u8bbe\u7f6e\u65e5\u5fd7\u6587\u4ef6\u540d\uff1a<\/p>\n
log_filename = ‘postgresql-%Y-%m-%d.log’<\/p>\n
\u65e5\u5fd7\u8f6e\u8f6c\uff1a<\/p>\n
log_rotation_age = 1d\nlog_rotation_size = 100MB<\/p>\n
\u4e03\u3001\u542f\u52a8\u6570\u636e\u5e93<\/p>\n
systemctl start postgresql<\/p>\n
\u67e5\u770b\u72b6\u6001\uff1a<\/p>\n
systemctl status postgresql<\/p>\n
\u516b\u3001\u786e\u8ba4\u6570\u636e\u76ee\u5f55<\/p>\n
\u6267\u884c\uff1a<\/p>\n
sudo -u postgres psql -c “show data_directory;”<\/p>\n
\u5e94\u8be5\u8fd4\u56de\uff1a<\/p>\n
\/data\/postgresql\/data\/16\/main<\/p>\n
\u4e5d\u3001\u786e\u8ba4\u65e5\u5fd7\u76ee\u5f55<\/p>\n
\u6267\u884c\uff1a<\/p>\n
sudo -u postgres psql -c “show log_directory;”<\/p>\n
\u5e94\u8be5\u662f\uff1a<\/p>\n
\/data\/postgresql\/log<\/p>\n
\u5341\u3001\u5220\u9664\u65e7\u6570\u636e\uff08\u786e\u8ba4\u8fd0\u884c\u6b63\u5e38\u540e\uff09<\/p>\n
\u786e\u8ba4\u6570\u636e\u5e93\u8fd0\u884c\u6b63\u5e38\u540e\uff1a<\/p>\n
rm -rf \/var\/lib\/postgresql\/16\/main<\/p>\n
\u8fd9\u6837\u7cfb\u7edf\u76d8\u5c31\u4e0d\u4f1a\u5b58\u6570\u636e\u5e93\u4e86\u3002<\/p>\n
\u5341\u4e00\u3001SATA \u78c1\u76d8\u4f18\u5316\u53c2\u6570\uff08\u63a8\u8350\uff09<\/p>\n
\u7f16\u8f91\uff1a<\/p>\n
nano \/etc\/postgresql\/16\/main\/postgresql.conf<\/p>\n
\u5efa\u8bae\u589e\u52a0\uff1a<\/p>\n
shared_buffers = 4GB\nwork_mem = 32MB\nmaintenance_work_mem = 512MB<\/p>\n
checkpoint_completion_target = 0.9\nwal_buffers = 16MB<\/p>\n
effective_cache_size = 12GB<\/p>\n
\u5982\u679c\u670d\u52a1\u5668\u662f\uff1a<\/p>\n
\u5185\u5b58 shared_buffers\n16G 4G\n32G 8G\n64G 16G<\/p>\n
SSD\u7684\u8bdd\u63a8\u8350\uff1a<\/p>\n
\u63d0\u9ad8\u5e76\u53d1 IO \u80fd\u529b\neffective_io_concurrency = 200<\/p>\n
\u4f18\u5316\u968f\u673a\u8bfb\u5199\u6210\u672c\nrandom_page_cost = 1.1<\/p>\n
checkpoint\u4f18\u5316\ncheckpoint_completion_target = 0.9<\/p>\n
\u5341\u4e8c\u3001\u9632\u6b62\u65e5\u5fd7\u65e0\u9650\u589e\u957f\uff08\u91cd\u8981\uff09<\/p>\n
Debian \u9ed8\u8ba4 logrotate \u4f1a\u7ba1\u7406 PostgreSQL \u65e5\u5fd7\u3002<\/p>\n
\u786e\u8ba4\uff1a<\/p>\n
cat \/etc\/logrotate.d\/postgresql<\/p>\n
\u5982\u679c\u6ca1\u6709\uff0c\u53ef\u4ee5\u521b\u5efa\uff1a<\/p>\n
nano \/etc\/logrotate.d\/postgresql<\/p>\n
\u5185\u5bb9\uff1a<\/p>\n
\/data\/postgresql\/log\/*.log {\ndaily\nrotate 7\ncompress\ndelaycompress\nmissingok\nnotifempty\ncopytruncate\n}<\/p>\n
\u610f\u601d\uff1a\n\u2022 \u6bcf\u5929\u8f6e\u8f6c\n\u2022 \u4fdd\u75597\u5929\n\u2022 \u81ea\u52a8\u538b\u7f29<\/p>\n
\u5341\u4e09\u3001\u6700\u7ec8\u6548\u679c<\/p>\n
\u7cfb\u7edf\u76d8\u53ea\u5269\uff1a<\/p>\n
\/usr\/lib\/postgresql\n\/etc\/postgresql<\/p>\n
\u6570\u636e\u76d8\uff1a<\/p>\n
\/data\/postgresql\n\u251c\u2500\u2500 data\n\u251c\u2500\u2500 wal\n\u2514\u2500\u2500 log<\/p>\n
\u7cfb\u7edf\u76d8 \u6c38\u8fdc\u4e0d\u4f1a\u88ab\u6570\u636e\u5e93\u6491\u7206\u3002<\/p>\n
\u5341\u56db\u3001\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u7ecf\u9a8c<\/p>\n
\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e00\u5b9a\u8981\u76d1\u63a7\u78c1\u76d8\uff1a<\/p>\n
\u5efa\u8bae\u52a0\u4e00\u4e2a\u5b9a\u65f6\u68c0\u67e5\uff1a<\/p>\n
df -h \/data<\/p>\n
\u6216\u63a5\u5165\u76d1\u63a7\u7cfb\u7edf\u3002<\/p>","protected":false},"excerpt":{"rendered":"
\u4e0b\u9762\u662f\u4e00\u5957 Debian 13 + PostgreSQL \u6807\u51c6\u90e8\u7f72\u65b9\u6848\uff0c\u7279\u70b9\u662f\uff1a\n\u2022 \u7a0b\u5e8f\u5b89\u88c5\u5728\u7cfb\u7edf\u76d8\n\u2022 \u6570\u636e\u548c\u65e5\u5fd7\u5168\u90e8\u653e\u5230\u65b0\u6302\u8f7d\u78c1\u76d8\n\u2022 \u907f\u514d\u65e5\u5fd7\u6491\u7206\u7cfb\u7edf\u76d8\n\u2022 \u9002\u5408 SATA \u76d8\u73af\u5883<\/p>\n
\u8fd9\u4e5f\u662f\u5f88\u591a\u4f01\u4e1a\u670d\u52a1\u5668\u7684\u5e38\u89c1\u90e8\u7f72\u65b9\u5f0f\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[141],"tags":[283],"class_list":["post-585","post","type-post","status-publish","format-standard","hentry","category-linux-","tag-pgsql"],"views":131,"_links":{"self":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=585"}],"version-history":[{"count":2,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions"}],"predecessor-version":[{"id":587,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/585\/revisions\/587"}],"wp:attachment":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}