OS metrics in Enhanced Monitoring (original) (raw)
General
engine
Not applicable
The database engine for the DB instance.
instanceID
Not applicable
The DB instance identifier.
instanceResourceID
Not applicable
An immutable identifier for the DB instance that is unique to an AWS Region, also used as the log stream identifier.
numVCPUs
Not applicable
The number of virtual CPUs for the DB instance.
timestamp
Not applicable
The time at which the metrics were taken.
uptime
Not applicable
The amount of time that the DB instance has been active.
version
Not applicable
The version of the OS metrics' stream JSON format.
cpuUtilization
guest
CPU Guest
The percentage of CPU in use by guest programs.
idle
CPU Idle
The percentage of CPU that is idle.
irq
CPU IRQ
The percentage of CPU in use by software interrupts.
nice
CPU Nice
The percentage of CPU in use by programs running at lowest priority.
steal
CPU Steal
The percentage of CPU in use by other virtual machines.
system
CPU System
The percentage of CPU in use by the kernel.
total
CPU Total
The total percentage of the CPU in use. This value includes the nice value.
user
CPU User
The percentage of CPU in use by user programs.
wait
CPU Wait
The percentage of CPU unused while waiting for I/O access.
diskIO
avgQueueLen
Avg Queue Size
The number of requests waiting in the I/O device's queue.
avgReqSz
Ave Request Size
The average request size, in kilobytes.
await
Disk I/O Await
The number of milliseconds required to respond to requests, including queue time and service time.
device
Not applicable
The identifier of the disk device in use.
readIOsPS
Read IO/s
The number of read operations per second.
readKb
Read Total
The total number of kilobytes read.
readKbPS
Read Kb/s
The number of kilobytes read per second.
readLatency
Read Latency
The elapsed time between the submission of a read I/O request and its completion, in milliseconds.
This metric is only available for Amazon Aurora.
readThroughput
Read Throughput
The amount of network throughput used by requests to the DB cluster, in bytes per second.
This metric is only available for Amazon Aurora.
rrqmPS
Rrqms
The number of merged read requests queued per second.
tps
TPS
The number of I/O transactions per second.
util
Disk I/O Util
The percentage of CPU time during which requests were issued.
writeIOsPS
Write IO/s
The number of write operations per second.
writeKb
Write Total
The total number of kilobytes written.
writeKbPS
Write Kb/s
The number of kilobytes written per second.
writeLatency
Write Latency
The average elapsed time between the submission of a write I/O request and its completion, in milliseconds.
This metric is only available for Amazon Aurora.
writeThroughput
Write Throughput
The amount of network throughput used by responses from the DB cluster, in bytes per second.
This metric is only available for Amazon Aurora.
wrqmPS
Wrqms
The number of merged write requests queued per second.
physicalDeviceIO
avgQueueLen
Physical Devices Avg Queue Size
The number of requests waiting in the I/O device's queue.
avgReqSz
Physical Devices Ave Request Size
The average request size, in kilobytes.
await
Physical Devices Disk I/O Await
The number of milliseconds required to respond to requests, including queue time and service time.
device
Not applicable
The identifier of the disk device in use.
readIOsPS
Physical Devices Read IO/s
The number of read operations per second.
readKb
Physical Devices Read Total
The total number of kilobytes read.
readKbPS
Physical Devices Read Kb/s
The number of kilobytes read per second.
rrqmPS
Physical Devices Rrqms
The number of merged read requests queued per second.
tps
Physical Devices TPS
The number of I/O transactions per second.
util
Physical Devices Disk I/O Util
The percentage of CPU time during which requests were issued.
writeIOsPS
Physical Devices Write IO/s
The number of write operations per second.
writeKb
Physical Devices Write Total
The total number of kilobytes written.
writeKbPS
Physical Devices Write Kb/s
The number of kilobytes written per second.
wrqmPS
Physical Devices Wrqms
The number of merged write requests queued per second.
fileSys
maxFiles
Max Inodes
The maximum number of files that can be created for the file system.
mountPoint
Not applicable
The path to the file system.
name
Not applicable
The name of the file system.
total
Total Filesystem
The total number of disk space available for the file system, in kilobytes.
used
Used Filesystem
The amount of disk space used by files in the file system, in kilobytes.
usedFilePercent
Used Inodes
The percentage of available files in use.
usedFiles
Used%
The number of files in the file system.
usedPercent
Used Filesystem
The percentage of the file-system disk space in use.
loadAverageMinute
fifteen
Load Avg 15 min
The number of processes requesting CPU time over the last 15 minutes.
five
Load Avg 5 min
The number of processes requesting CPU time over the last 5 minutes.
one
Load Avg 1 min
The number of processes requesting CPU time over the last minute.
memory
active
Active Memory
The amount of assigned memory, in kilobytes.
buffers
Buffered Memory
The amount of memory used for buffering I/O requests prior to writing to the storage device, in kilobytes.
cached
Cached Memory
The amount of memory used for caching file system–based I/O.
dirty
Dirty Memory
The amount of memory pages in RAM that have been modified but not written to their related data block in storage, in kilobytes.
free
Free Memory
The amount of unassigned memory, in kilobytes.
hugePagesFree
Huge Pages Free
The number of free huge pages. Huge pages are a feature of the Linux kernel.
hugePagesRsvd
Huge Pages Rsvd
The number of committed huge pages.
hugePagesSize
Huge Pages Size
The size for each huge pages unit, in kilobytes.
hugePagesSurp
Huge Pages Surp
The number of available surplus huge pages over the total.
hugePagesTotal
Huge Pages Total
The total number of huge pages.
inactive
Inactive Memory
The amount of least-frequently used memory pages, in kilobytes.
mapped
Mapped Memory
The total amount of file-system contents that is memory mapped inside a process address space, in kilobytes.
pageTables
Page Tables
The amount of memory used by page tables, in kilobytes.
slab
Slab Memory
The amount of reusable kernel data structures, in kilobytes.
total
Total Memory
The total amount of memory, in kilobytes.
writeback
Writeback Memory
The amount of dirty pages in RAM that are still being written to the backing storage, in kilobytes.
network
interface
Not applicable
The identifier for the network interface being used for the DB instance.
rx
RX
The number of bytes received per second.
tx
TX
The number of bytes uploaded per second.
processList
cpuUsedPc
CPU %
The percentage of CPU used by the process.
id
Not applicable
The identifier of the process.
memoryUsedPc
MEM%
The percentage of memory used by the process.
name
Not applicable
The name of the process.
parentID
Not applicable
The process identifier for the parent process of the process.
rss
RES
The amount of RAM allocated to the process, in kilobytes.
tgid
Not applicable
The thread group identifier, which is a number representing the process ID to which a thread belongs. This identifier is used to group threads from the same process.
vss
VIRT
The amount of virtual memory allocated to the process, in kilobytes.
swap
total
Swap
The amount of swap memory available, in kilobytes.
in
Swaps in
The amount of memory, in kilobytes, swapped in from disk.
out
Swaps out
The amount of memory, in kilobytes, swapped out to disk.
free
Free Swap
The amount of swap memory free, in kilobytes.
cached
Committed Swap
The amount of swap memory, in kilobytes, used as cache memory.
tasks
blocked
Tasks Blocked
The number of tasks that are blocked.
running
Tasks Running
The number of tasks that are running.
sleeping
Tasks Sleeping
The number of tasks that are sleeping.
stopped
Tasks Stopped
The number of tasks that are stopped.
total
Tasks Total
The total number of tasks.
zombie
Tasks Zombie
The number of child tasks that are inactive with an active parent task.