pgmetrics是用go语言写的一款PostgreSQL的健康监控指标采集软件。可以连接到数据库，获取当前数据库的相关信息，如果连接的是本地数据库，则同时会采集服务器的状态信息。可以把采集的结果以json或者text或者csv的形式存储。
1.下载pgmetrics的软件
https://github.com/rapidloop/pgmetrics/releases
postgres@ubuntu-linux-22-04-desktop:~$ ll pgmetrics_1.16.0_linux_arm64.tar.gz
-rw-r--r-- 1 postgres postgres 4361437 Mar 19 15:37 pgmetrics_1.16.0_linux_arm64.tar.gz
postgres@ubuntu-linux-22-04-desktop:~$ tar -xf pgmetrics_1.16.0_linux_arm64.tar.gz
postgres@ubuntu-linux-22-04-desktop:~$ cd pgmetrics_1.16.0_linux_arm64/
postgres@ubuntu-linux-22-04-desktop:~/pgmetrics_1.16.0_linux_arm64$ ll
total 14872
drwxrwxr-x 2 postgres postgres 4096 Mar 19 15:37 ./
drwxr-x--- 21 postgres postgres 4096 Mar 19 15:37 ../
-rw-r--r-- 1 postgres postgres 11357 Feb 3 2023 LICENSE
-rw-r--r-- 1 postgres postgres 377 Feb 3 2023 README.md
-rwxr-xr-x 1 postgres postgres 15204352 Oct 4 12:13 pgmetrics*
2.pgmetrics的选项
postgres@ubuntu-linux-22-04-desktop:~/pgmetrics_1.16.0_linux_arm64$ ./pgmetrics --help
pgmetrics collects PostgreSQL information and metrics.Usage:pgmetrics [OPTION]... [DBNAME]General options:-t, --timeout=SECS individual query timeout in seconds (default: 5)--lock-timeout=MILLIS lock timeout in milliseconds (default: 50)-i, --input=FILE don't connect to db, instead read and displaythis previously saved JSON file-V, --version output version information, then exit-?, --help[=options] show this help, then exit--help=variables list environment variables, then exitCollection options:-S, --no-sizes don't collect tablespace and relation sizes-c, --schema=REGEXP collect only from schema(s) matching POSIX regexp-C, --exclude-schema=REGEXP do NOT collect from schema(s) matching POSIX regexp-a, --table=REGEXP collect only from table(s) matching POSIX regexp-A, --exclude-table=REGEXP do NOT collect from table(s) matching POSIX regexp--omit=WHAT do NOT collect the items specified as a comma-separatedlist of: "tables", "indexes", "sequences","functions", "extensions", "triggers","statements", "log", "citus", "indexdefs","bloat"--sql-length=LIMIT collect only first LIMIT characters of all SQLqueries (default: 500)--statements-limit=LIMIT collect only utmost LIMIT number of row frompg_stat_statements (default: 100)--only-listed collect info only from the databases listed ascommand-line args (use with Heroku)--all-dbs collect info from all user databases--log-file location of PostgreSQL log file--log-dir read all the PostgreSQL log files in this directory--log-span=MINS examine the last MINS minutes of logs (default: 5)--aws-rds-dbid AWS RDS/Aurora database instance identifier--az-resource Azure resource ID--pgpool collect only Pgpool metricsOutput options:-f, --format=FORMAT output format; "human", "json" or "csv" (default: "human")-l, --toolong=SECS for human output, transactions running longer thanthis are considered too long (default: 60)-o, --output=FILE write output to the specified file--no-pager do not invoke the pager for tty outputConnection options:-h, --host=HOSTNAME database server host or socket directory(default: "/var/run/postgresql")-p, --port=PORT database server port (default: 5432)-U, --username=USERNAME database user name (default: "postgres")-w, --no-password never prompt for password--role=ROLE do SET ROLE before collectionFor more information, visit <https://pgmetrics.io>.
3.使用案例
设置超时时间为3s，避免阻塞业务。
postgres@ubuntu-linux-22-04-desktop:~/pgmetrics_1.16.0_linux_arm64$ ./pgmetrics -t 3 --no-password --no-pager -h /tmp -o ./PostgreSQL_Checklog_`date +"%Y-
%m-%d-%H%M%S"`.log postgres test_upgrade
pgmetrics: warning: failed to guess log file location/access denied, specify explicitly with --log-file or --log-dirpostgres@ubuntu-linux-22-04-desktop:~/pgmetrics_1.16.0_linux_arm64$ ll
total 14912
drwxrwxr-x 2 postgres postgres 4096 Mar 19 15:46 ./
drwxr-x--- 21 postgres postgres 4096 Mar 19 15:42 ../
-rw-r--r-- 1 postgres postgres 11357 Feb 3 2023 LICENSE
-rw-rw-r-- 1 postgres postgres 37143 Mar 19 15:46 PostgreSQL_Checklog_2024-03-19-154620.log
-rw-r--r-- 1 postgres postgres 377 Feb 3 2023 README.md
-rwxr-xr-x 1 postgres postgres 15204352 Oct 4 12:13 pgmetrics*
报告的内容如下
pgmetrics run at: 19 Mar 2024 3:46:20 PM (now)PostgreSQL Cluster:Name:Server Version: 16.1Server Started: 19 Mar 2024 3:22:34 PM (23 minutes ago)System Identifier: 7316572678719819371Timeline: 1Last Checkpoint: 19 Mar 2024 3:22:34 PM (23 minutes ago)REDO LSN: 0/3D1DA560Checkpoint LSN: 0/3D1DA560 (0 B since REDO)Transaction IDs: oldest = 726, next = 2189, range = 1463Notification Queue: 0.0% usedActive Backends: 1 (max 100)Recovery Mode? noSystem Information:Hostname: ubuntu-linux-22-04-desktopCPU Cores: 0 xLoad Average: 0.28Memory: used=707 MiB, free=218 MiB, buff=251 MiB, cache=564 MiBSwap: used=167 MiB, free=1.8 GiB+---------------------------------+-----------------+| Setting | Value |+---------------------------------+-----------------+| shared_buffers | 16384 (128 MiB) || work_mem | 4096 (4.0 MiB) || maintenance_work_mem | 65536 (64 MiB) || temp_buffers | 1024 (8.0 MiB) || autovacuum_work_mem | -1 || temp_file_limit | -1 || max_worker_processes | 8 || autovacuum_max_workers | 3 || max_parallel_workers_per_gather | 2 || effective_io_concurrency | 1 |+---------------------------------+-----------------+WAL Files:WAL Archiving? noWAL Files: 3+--------------------+----------------+| Setting | Value |+--------------------+----------------+| wal_level | replica || archive_timeout | 0 || wal_compression | off || max_wal_size | 1024 (1.0 GiB) || min_wal_size | 80 (80 MiB) || checkpoint_timeout | 300 || full_page_writes | on || wal_keep_size | 0 |+--------------------+----------------+BG Writer:Checkpoint Rate: 0.21 per minAverage Write: 0 B per checkpointTotal Checkpoints: 4 sched (80.0%) + 1 req (20.0%) = 5Total Write: 0 B, @ 0 B per secBuffers Allocated: 842 (6.6 MiB)Buffers Written: 0 chkpt (0.0%) + 0 bgw (0.0%) + 0 be (0.0%)Clean Scan Stops: 0BE fsyncs: 0Counts Since: 19 Mar 2024 3:22:34 PM (23 minutes ago)+------------------------------+--------------+| Setting | Value |+------------------------------+--------------+| bgwriter_delay | 200 msec || bgwriter_flush_after | 64 (512 KiB) || bgwriter_lru_maxpages | 100 || bgwriter_lru_multiplier | 2 || block_size | 8192 || checkpoint_timeout | 300 sec || checkpoint_completion_target | 0.9 |+------------------------------+--------------+Backends:Total Backends: 1 (1.0% of max 100)Problematic: 0 waiting on locks, 0 waiting on other, 0 xact too long, 0 idle in xactLocks:+------------+-------------+-------+| Lock Type | Not Granted | Total |+------------+-------------+-------+| relation | 0 | 4 || virtualxid | 0 | 1 |+------------+-------------+-------+| | 0 | 5 |+------------+-------------+-------+Vacuum Progress:No manual or auto vacuum jobs in progress.+------------------------------+----------------+| Setting | Value |+------------------------------+----------------+| maintenance_work_mem | 65536 (64 MiB) || autovacuum | on || autovacuum_analyze_threshold | 50 || autovacuum_vacuum_threshold | 50 || autovacuum_freeze_max_age | 200000000 || autovacuum_max_workers | 3 || autovacuum_naptime | 60 sec || vacuum_freeze_min_age | 50000000 || vacuum_freeze_table_age | 150000000 |+------------------------------+----------------+Roles:+-----------------------------+-------+------+-------+-----------+----------+------------+---------+-------------------------+-------------------------
-------------------------------------+| Name | Login | Repl | Super | Creat Rol | Creat DB | Bypass RLS | Inherit | Expires |Member Of |+-----------------------------+-------+------+-------+-----------+----------+------------+---------+-------------------------+-------------------------
-------------------------------------+| postgres | yes | yes | yes | yes | yes | yes | yes | ||| pg_monitor | | | | | | | yes | | pg_read_all_settings, pg
_read_all_stats, pg_stat_scan_tables || pg_read_all_settings | | | | | | | yes | ||| pg_read_all_stats | | | | | | | yes | ||| pg_stat_scan_tables | | | | | | | yes | ||| pg_signal_backend | | | | | | | yes | ||| pg_checkpoint | | | | | | | yes | ||| pg_use_reserved_connections | | | | | | | yes | ||| pg_read_server_files | | | | | | | yes | ||| pg_write_server_files | | | | | | | yes | ||| pg_execute_server_program | | | | | | | yes | ||| pg_database_owner | | | | | | | yes | ||| pg_read_all_data | | | | | | | yes | ||| pg_write_all_data | | | | | | | yes | ||| pg_create_subscription | | | | | | | yes | ||| repl | yes | yes | | | | | yes | ||| ysla | yes | | | | | | yes | ||| test10 | yes | | | | | | yes | 17 Aug 2024 12:40:09 PM ||| test11 | yes | | | | | | yes | 23 Feb 2024 1:57:19 PM ||+-----------------------------+-------+------+-------+-----------+----------+------------+---------+-------------------------+-------------------------
-------------------------------------+Tablespaces:+------------+----------+----------------------------------+---------+--------------------------+---------------------------+| Name | Owner | Location | Size | Disk Used | Inode Used |+------------+----------+----------------------------------+---------+--------------------------+---------------------------+| pg_default | postgres | $PGDATA = /home/postgres/data-16 | 33 MiB | 27 GiB (43.7%) of 62 GiB | 419716 (10.2%) of 4128768 || pg_global | postgres | $PGDATA = /home/postgres/data-16 | 588 KiB | 27 GiB (43.7%) of 62 GiB | 419716 (10.2%) of 4128768 |+------------+----------+----------------------------------+---------+--------------------------+---------------------------+Database #1:Name: postgresOwner: postgresTablespace: pg_defaultConnections: 1 (no max limit)Frozen Xid Age: 1463Transactions: 71 (100.0%) commits, 0 (0.0%) rollbacksCache Hits: 96.0%Rows Changed: ins 0.0%, upd 0.0%, del 0.0%Total Temp: 0 B in 0 filesProblems: 0 deadlocks, 0 conflictsTotals Since:Size: 12 MiBSequences:+------------------------------+------------+| Sequence | Cache Hits |+------------------------------+------------+| hints_id_seq | || student_student_id_seq | || test_vaccum_index_on_id_seq | || test_vaccum_index_off_id_seq | |+------------------------------+------------+Installed Extensions:+--------------------+---------+------------------------------------------------------------------------+| Name | Version | Comment |+--------------------+---------+------------------------------------------------------------------------+| pg_bigm | 1.2 | text similarity measurement and index searching based on bigrams || pg_hint_plan | 1.4.2 | || pg_stat_statements | 1.9 | track planning and execution statistics of all SQL statements executed || pg_trgm | 1.6 | text similarity measurement and index searching based on trigrams || pgcrypto | 1.3 | cryptographic functions || plpgsql | 1.0 | PL/pgSQL procedural language |+--------------------+---------+------------------------------------------------------------------------+Slow Queries:+-------+----------+------------+-----------+----------------------------------------------------+| Calls | Avg Time | Total Time | Rows/Call | Query |+-------+----------+------------+-----------+----------------------------------------------------+| 4 | 4ms | 17ms | 1 | SELECT pg_database_size($1) || 4 | 3ms | 13ms | 1 | SELECT pg_tablespace_size($1) || 1 | 9ms | 9ms | 9 | SELECT current_database() AS db, schemaname, tab || 2 | 2ms | 5ms | 378 | SELECT name, setting, COALESCE(boot_val,$1), sourc || 2 | 2ms | 4ms | 19 | SELECT S.relid, S.schemaname, S.relname, current_d || 2 | 1ms | 3ms | 0 | SELECT funcid, schemaname, funcname, current_datab || 2 | 1ms | 2ms | 6 | SELECT name, current_database(), COALESCE(default_ || 2 | 0s | 1ms | 1 | SELECT EXTRACT($1 FROM pg_postmaster_start_time()) || 2 | 0s | 0s | 1 | SELECT COALESCE(datname, $2), COALESCE(usename, $3 || 1 | 0s | 0s | 4 | SELECT d.datname as "Name", pg_catalog.pg_get_ || 2 | 0s | 0s | 5 | SELECT COALESCE(D.datname, $1), L.locktype, L.mode || 2 | 0s | 0s | 12 | SELECT S.relid, S.indexrelid, S.schemaname, S.reln || 2 | 0s | 0s | 12 | SELECT indexrelid, pg_get_indexdef(indexrelid) FRO || 1 | 0s | 0s | 44 | SELECT userid, dbid, queryid, LEFT(COALESCE(query, || 2 | 0s | 0s | 3 | SELECT name FROM pg_ls_waldir() WHERE name ~ $1 || 2 | 0s | 0s | 1 | SELECT checkpoints_timed, checkpoints_req, checkpo || 2 | 0s | 0s | 19 | SELECT R.oid, R.rolname, R.rolsuper, R.rolinherit, || 2 | 0s | 0s | 2 | SELECT c.oid, i.inhparent::regclass FROM pg_cla || 2 | 0s | 0s | 0 | SELECT c.oid, inhparent::regclass, COALESCE(pg_get || 2 | 0s | 0s | 0 | SELECT COALESCE(usename, $1), application_name, || 2 | 0s | 0s | 1 | SELECT checkpoint_lsn, redo_lsn, timeline_id, n || 2 | 0s | 0s | 2 | SELECT oid, spcname, pg_get_userbyid(spcowner), || 2 | 0s | 0s | 2 | SELECT D.oid, D.datname, D.datdba, D.dattablespace || 2 | 0s | 0s | 1 | SELECT system_identifier FROM pg_control_system() || 2 | 0s | 0s | 1 | SELECT pg_is_in_recovery(), COALESCE(pg_last_wa || 2 | 0s | 0s | 1 | SELECT archived_count, COALESCE(last_archived_ || 2 | 0s | 0s | 4 | SELECT relid, schemaname, relname, current_databas || 2 | 0s | 0s | 1 | SELECT current_user || 2 | 0s | 0s | 6 | SELECT backend_type, count(*) FROM pg_stat_activit || 2 | 0s | 0s | 1 | SELECT COUNT(*) FROM pg_ls_archive_statusdir() WHE || 2 | 0s | 0s | 0 | SELECT pid, datname, relid::int, COALESCE(command, || 2 | 0s | 0s | 0 | WITH P AS (SELECT DISTINCT pid FROM pg_locks WHERE || 2 | 0s | 0s | 0 | SELECT status, receive_start_lsn, receive_start_tl || 2 | 0s | 0s | 1 | SELECT wal_records, wal_fpi, wal_bytes, wal_buffer || 2 | 0s | 0s | 0 | SELECT slot_name, COALESCE(plugin, $1), slot_type, || 2 | 0s | 0s | 1 | SELECT COALESCE(pg_current_logfile($1),$2) || 2 | 0s | 0s | 1 | SELECT pg_notification_queue_usage() || 2 | 0s | 0s | 0 | SELECT pid, datname, COALESCE(relid, $1), COALESCE || 2 | 0s | 0s | 1 | SELECT COALESCE(inet_client_addr() = inet_server_a || 2 | 0s | 0s | 0 | SELECT pid, datname, relid::int, COALESCE(command, || 2 | 0s | 0s | 0 | SELECT pid, datname, COALESCE(relid::int, $1::int) || 2 | 0s | 0s | 0 | SELECT pid, datname, relid::int, index_relid::int, || 2 | 0s | 0s | 0 | SELECT pid, COALESCE(phase, $1), COALESCE(bac || 2 | 0s | 0s | 1 | SELECT pg_current_wal_flush_lsn(), pg_current_ || 2 | 0s | 0s | 1 | SELECT current_database() || 2 | 0s | 0s | 0 | SELECT T.oid, T.tgrelid, T.tgname, P.proname F || 1 | 0s | 0s | 0 | WITH pc AS (SELECT pubname, COUNT(*) AS c FROM pg_ || 1 | 0s | 0s | 0 | WITH sc AS (SELECT srsubid, COUNT(*) AS c FROM |+-------+----------+------------+-----------+----------------------------------------------------+Database #2:Name: test_upgradeOwner: postgresTablespace: pg_defaultConnections: 0 (no max limit)Frozen Xid Age: 1463Transactions: 18 (100.0%) commits, 0 (0.0%) rollbacksCache Hits: 95.6%Rows Changed: ins 0.0%, upd 0.0%, del 0.0%Total Temp: 0 B in 0 filesProblems: 0 deadlocks, 0 conflictsTotals Since:Size: 7.3 MiBInstalled Extensions:+---------+---------+-------------------------------------------------------------------+| Name | Version | Comment |+---------+---------+-------------------------------------------------------------------+| pg_bigm | 1.2 | text similarity measurement and index searching based on bigrams || pg_trgm | 1.6 | text similarity measurement and index searching based on trigrams || plpgsql | 1.0 | PL/pgSQL procedural language |+---------+---------+-------------------------------------------------------------------+Slow Queries:+-------+----------+------------+-----------+----------------------------------------------------+| Calls | Avg Time | Total Time | Rows/Call | Query |+-------+----------+------------+-----------+----------------------------------------------------+| 1 | 7ms | 7ms | 7 | SELECT current_database() AS db, schemaname, tab || 1 | 3ms | 3ms | 0 | SELECT funcid, schemaname, funcname, current_datab || 1 | 0s | 0s | 2 | SELECT S.relid, S.schemaname, S.relname, current_d || 1 | 0s | 0s | 3 | SELECT name, current_database(), COALESCE(default_ || 1 | 0s | 0s | 0 | SELECT S.relid, S.indexrelid, S.schemaname, S.reln || 1 | 0s | 0s | 0 | SELECT indexrelid, pg_get_indexdef(indexrelid) FRO || 1 | 0s | 0s | 0 | SELECT relid, schemaname, relname, current_databas || 1 | 0s | 0s | 1 | SELECT current_database() || 1 | 0s | 0s | 0 | WITH pc AS (SELECT pubname, COUNT(*) AS c FROM pg_ || 1 | 0s | 0s | 0 | WITH sc AS (SELECT srsubid, COUNT(*) AS c FROM || 1 | 0s | 0s | 0 | SELECT T.oid, T.tgrelid, T.tgname, P.proname F || 1 | 0s | 0s | 0 | SELECT c.oid, inhparent::regclass, COALESCE(pg_get || 1 | 0s | 0s | 0 | SELECT c.oid, i.inhparent::regclass FROM pg_cla |+-------+----------+------------+-----------+----------------------------------------------------+Table #1 in "postgres":Name: postgres.hint_plan.hintsColumns: 4Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBACL:+----------+---------------------------------------------------------------+------------+| Role | Privileges | Granted By |+----------+---------------------------------------------------------------+------------+| postgres | INSERT, SELECT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER | postgres || PUBLIC | SELECT | postgres |+----------+---------------------------------------------------------------+------------++--------------------+-------+---------+-------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+--------------------+-------+---------+-------+------------+-------+----------------+-------------------+| hints_pkey | btree | 8.0 KiB | | | 0 | 0.0 | 0.0 || hints_norm_and_app | btree | 8.0 KiB | | | 0 | 0.0 | 0.0 |+--------------------+-------+---------+-------+------------+-------+----------------+-------------------+Table #2 in "postgres":Name: postgres.public.tab_test_1Columns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiB+-------+-------+--------+-------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+-------+-------+--------+-------+------------+-------+----------------+-------------------+| idx_1 | btree | 16 KiB | | | 0 | 0.0 | 0.0 |+-------+-------+--------+-------+------------+-------+----------------+-------------------+Table #3 in "postgres":Name: postgres.public.tab_test_2Columns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #4 in "postgres":Name: postgres.public.tab_testdumpColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 16 KiBTable #5 in "postgres":Name: postgres.public.tab_1Columns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 16 KiB+-------+-------+--------+-------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+-------+-------+--------+-------+------------+-------+----------------+-------------------+| idx1 | btree | 16 KiB | | | 0 | 0.0 | 0.0 || idx2 | btree | 16 KiB | | | 0 | 0.0 | 0.0 |+-------+-------+--------+-------+------------+-------+----------------+-------------------+Table #6 in "postgres":Name: postgres.public.test_default_1Columns: 2Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #7 in "postgres":Name: postgres.public.test_default_2Columns: 2Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #8 in "postgres":Name: postgres.public.test_default_3Columns: 2Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 16 KiBTable #9 in "postgres":Name: postgres.public.tab_xmaster_yslColumns: 2Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #10 in "postgres":Name: postgres.public.studentColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 0 BTable #11 in "postgres":Name: postgres.public.student_qualifiedInherits from: studentColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 0 BTable #12 in "postgres":Name: postgres.public.student_nqualifiedInherits from: studentColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 0 BTable #13 in "postgres":Name: postgres.public.test_vaccum_index_onColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 48 KiB+----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+| test_vaccum_index_on_pkey | btree | 16 KiB | | | 0 | 0.0 | 0.0 || test_vaccum_index_on_x_key | btree | 16 KiB | | | 0 | 0.0 | 0.0 || z | btree | 16 KiB | | | 0 | 0.0 | 0.0 |+----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+Table #14 in "postgres":Name: postgres.public.test_vaccum_index_offColumns: 3Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 48 KiB+-----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+-----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+| test_vaccum_index_off_pkey | btree | 16 KiB | | | 0 | 0.0 | 0.0 || test_vaccum_index_off_x_key | btree | 16 KiB | | | 0 | 0.0 | 0.0 || z2 | btree | 16 KiB | | | 0 | 0.0 | 0.0 |+-----------------------------+-------+--------+-------+------------+-------+----------------+-------------------+Table #15 in "postgres":Name: postgres.public.testColumns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 1.8 MiBBloat: 888 KiB (49.1%)+-----------+-------+---------+-----------------+------------+-------+----------------+-------------------+| Index | Type | Size | Bloat | Cache Hits | Scans | Rows Read/Scan | Rows Fetched/Scan |+-----------+-------+---------+-----------------+------------+-------+----------------+-------------------+| test_pkey | btree | 2.2 MiB | 1.4 MiB (64.5%) | | 0 | 0.0 | 0.0 |+-----------+-------+---------+-----------------+------------+-------+----------------+-------------------+Table #16 in "postgres":Name: postgres.public.tColumns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #17 in "postgres":Name: postgres.public.test_dataColumns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #18 in "postgres":Name: postgres.public.t2Columns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 16 KiBTable #19 in "postgres":Name: postgres.public.t3Columns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 16 KiBTable #1 in "test_upgrade":Name: test_upgrade.public.test01Columns: 2Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 8.0 KiBTable #2 in "test_upgrade":Name: test_upgrade.public.txaColumns: 1Manual Vacuums: neverManual Analyze: neverAuto Vacuums: neverAuto Analyze: neverPost-Analyze: 0.0% est. rows modifiedRow Estimate: 0.0% live of total 0Rows Changed: ins 0.0%, upd 0.0%, del 0.0%HOT Updates: 0.0% of all updatesSeq Scans: 0, 0.0 rows/scanIdx Scans: 0, 0.0 rows/scanCache Hits: 0.0% (idx=0.0%)Size: 0 B
)
