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Monitoring agent for PostgreSQL

Project description

Build status


Development version, available on github, released under BSD 3-clause.


Pre-Build packages for:

Linux distros:

Windows installers

Install via pip:

$ pip install mamonsu

Install from git:

$ git clone ... && cd mamonsu && python build && python install

Build deb:

$ apt-get install make dpkg-dev debhelper python-dev python-setuptools
$ git clone ... && cd mamonsu && make deb && dpkg -i mamonsu*.deb

Build rpm:

$ yum install make rpm-build python2-devel python-setuptools
$ git clone ... && cd mamonsu && make rpm && rpm -i mamonsu*.rpm

Build exe (worked with python v3.4, py2exe v0.9.2.2, pywin32 v220):

If you have error with ctypes: try to extend bootstrap_modules (add “ctypes”) in

$ git clone ... && cd mamonsu && python py2exe
$ cp dist\{mamonsu, service_win32}.exe c:\mamonsu
$ c:\mamonsu\mamonsu.exe -w c:\mamonsu\agent.conf
$ c:\mamonsu\service_win32.exe -install
$ net start mamonsu

Build nsis installer(Don`t forget to sign it afterwards):

$ git clone ... && cd mamonsu && python py2exe
$ nsis win/mamonsu.nsis


Export template for zabbix:

$ mamonsu -e template.xml
$ wget
$ cp /usr/share/mamonsu/template.xml .

Import this file in web interface of zabbix: Configuration => Templates => Import.

Add this template like PostgresPro-Linux at your monitoring host.

Generate config on monitring host (or use preinstalled):

$ mamonsu -w /etc/mamonsu/agent.conf

Change previously zabbix server address and client hostname:

$ vim /etc/mamonsu/agent.conf

$ cat /etc/mamonsu/agent.conf

; enabled by default
enabled = True
client = zabbix_client_host_name
address = zabbix_server_ip

; enabled by default
enabled = True
user = postgres
database = postgres
; empty password
password = None
port = 5432
query_timeout = 10

; enabled by default
enabled = True

; directory with user plugins
directory = /etc/mamonsu/plugins

file = /var/log/mamonsu/agent.log
level = INFO

Write your plugin

All plugins must exist in plugin directory which is defined in your configuration file.

See the examples for aditional information.

After add new plugin, you must to reexport template and import this file to zabbix.


$ service mamonsu status
or by hand:
$ mamonsu -c /etc/mamonsu/agent.conf -p /var/run/

Report tool

$ mamonsu report --help

Auto tune PostgreSQL

$ mamonsu tune --help


PostgreSQL metrics

'PostgreSQL: ping':[]
'PostgreSQL: service uptime': pgsql.uptime[]
'PostgreSQL: cache hit ratio': pgsql.cache[hit]
'PostgreSQL: number of total connections': pgsql.connections[total]
'PostgreSQL: number of waiting connections': pgsql.connections[waiting]
'PostgreSQL: number of active connections': pgsql.connections[active]
'PostgreSQL: number of idle connections': pgsql.connections[idle]
'PostgreSQL: number of idle in transaction connections': pgsql.connections[idle_in_transaction]
'PostgreSQL checkpoints: by timeout': pgsql.checkpoints[checkpoints_timed]
'PostgreSQL checkpoints: required': pgsql.checkpoints[checkpoints_req]
'PostgreSQL checkpoint: write time': pgsql.checkpoint[write_time]
'PostgreSQL checkpoint: sync time': pgsql.checkpoint[checkpoint_sync_time]
'PostgreSQL bgwriter: buffers written during checkpoints': pgsql.bgwriter[buffers_checkpoint]
'PostgreSQL bgwriter: buffers written': pgsql.bgwriter[buffers_clean]
'PostgreSQL bgwriter: number of bgwriter stopped by max write count': pgsql.bgwriter[maxwritten_clean]
'PostgreSQL bgwriter: buffers written directly by a backend': pgsql.bgwriter[buffers_backend]
'PostgreSQL bgwriter: times a backend execute its own fsync': pgsql.bgwriter[buffers_backend_fsync]
'PostgreSQL bgwriter: buffers allocated': pgsql.bgwriter[buffers_alloc]
'PostgreSQL: count of autovacuum workers': pgsql.autovacumm.count[]
'PostgreSQL transactions: total': pgsql.transactions[total]
'PostgreSQL blocks: hit': pgsql.blocks[hit]
'PostgreSQL blocks: read': pgsql.blocks[read]
'PostgreSQL event: conflicts':[conflicts]
'PostgreSQL event: deadlocks':[deadlocks]
'PostgreSQL event: rollbacks':[xact_rollback]
'PostgreSQL temp: bytes written': pgsql.temp[bytes]
'PostgreSQL temp: files created': pgsql.temp[files]
'PostgreSQL tuples: deleted': pgsql.tuples[deleted]
'PostgreSQL tuples: fetched': pgsql.tuples[fetched]
'PostgreSQL tuples: inserted': pgsql.tuples[inserted]
'PostgreSQL tuples: returned': pgsql.tuples[returned]
'PostgreSQL tuples: updated': pgsql.tuples[updated]
'PostgreSQL: streaming replication lag in seconds': pgsql.replication_lag[sec]
'PostgreSQL: wal write speed': pgsql.wal.write[]

'Database {#DATABASE}: size': pgsql.database.size[{#DATABASE}]
'Count of bloating tables in database: {#DATABASE}': pgsql.database.bloating_tables[{#DATABASE}]
'Max age (datfrozenxid) in: {#DATABASE}': pgsql.database.bloating_tables[{#DATABASE}]

Linux system metrics

'System uptime': system.uptime[]
'System load average over 1 minute':[1]
'Processes: in state running': system.processes[running]
'Processes: in state blocked': system.processes[blocked]
'Processes: forkrate': system.processes[forkrate]
'Opened files': system.open_files[]
'CPU time spent by normal programs and daemons': system.cpu[user]
'CPU time spent by nice(1)d programs': system.cpu[nice]
'CPU time spent by the kernel in system activities': system.cpu[system]
'CPU time spent by Idle CPU time': system.cpu[idle]
'CPU time spent waiting for I/O operations': system.cpu[iowait]
'CPU time spent handling interrupts': system.cpu[irq]
'CPU time spent handling batched interrupts': system.cpu[softirq]
'Block devices: read requests': system.disk.all_read[]
'Block devices: write requests': system.disk.all_write[]
'Apps: User-space applications': system.memory[apps]
'Buffers: Block device cache and dirty': system.memory[buffers]
'Swap: Swap space used': system.memory[swap]
'Cached: Parked file data (file content) cache': system.memory[cached]
'Free: Wasted memory': system.memory[unused]
'Slab: Kernel used memory (inode cache)': system.memory[slab]
'SwapCached: Fetched unmod yet swap pages': system.memory[swap_cache]
'PageTables: Map bt virtual and physical': system.memory[page_tables]
'VMallocUsed: vmaloc() allocated by kernel': system.memory[vmalloc_used]
'Committed_AS: Total committed memory': system.memory[committed]
'Mapped: All mmap()ed pages': system.memory[mapped]
'Active: Memory recently used': system.memory[active]
'Inactive: Memory not currently used': system.memory[inactive]

'Mount point {#MOUNTPOINT}: used': system.vfs.used[{#MOUNTPOINT}]
'Mount point {#MOUNTPOINT}: free'[{#MOUNTPOINT}]
'Mount point {#MOUNTPOINT}: free in percents': system.vfs.percent_free[{#MOUNTPOINT}]
'Mount point {#MOUNTPOINT}: free inodes in percent': system.vfs.percent_inode_free[{#MOUNTPOINT}]
'Block device {#BLOCKDEVICE}: utilization': system.disk.utilization[{#BLOCKDEVICE}]
'Block device {#BLOCKDEVICE}: read operations':[{#BLOCKDEVICE}]
'Block device {#BLOCKDEVICE}: write operations': system.disk.write[{#BLOCKDEVICE}]
'Net device {#NETDEVICE}: RX bytes/s':[{#NETDEVICE}]
'Net device {#NETDEVICE}: RX errors/s':[{#NETDEVICE}]
'Net device {#NETDEVICE}: RX drops/s':[{#NETDEVICE}]
'Net device {#NETDEVICE}: TX bytes/s':[{#NETDEVICE}]
'Net device {#NETDEVICE}: TX errors/s':[{#NETDEVICE}]
'Net device {#NETDEVICE}: TX drops/s':[{#NETDEVICE}]

Windows system metrics

'Memory cached': system.memory[cache]
'Memory available': system.memory[available]
'Memory free': system.memory[free]
'CPU user time': system.cpu[user_time]
'CPU idle time': system.cpu[idle_time]
'CPU privileged time': system.cpu[privileged_time]
'Network bytes total':[total_bytes]
'Network output queue length':[total_output_queue]

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