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VCP-DCV 2022 Review > ESXTOP Metrics Review > Flashcards

ESXTOP Metrics Review Flashcards

Memorize Metrics

1
Q

%USED

A

CPU use. The percentage of physical CPU core cycles used by a group of worlds running VMs, resource pools, or other worlds

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2
Q

%RDY:

A

Percentage of time that the VM was ready to run but was not provided CPU resources on which to execute.

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3
Q

%CSTP:

A

Percentage of time that the vCPUs of a VM spent in the co-stop state, waiting to be co-started. This value gives an indication of the co-scheduling overhead incurred by the VM. If this value is low, any performance problems should be attributed to other issues and not to the co-scheduling of the VM’s vCPUs.

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4
Q

%MLMTD:

A

Percentage of time that the VMkernel did not run the VM because that would violate the VM’s limit setting.

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5
Q

%VMWAIT:

A

Percentage of time that the VM spent in a blocked state waiting for events.

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6
Q

%SWPWT:

A

Percentage of time that the VM spends waiting for the VMkernel to swap memory.

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7
Q

NWLD:

A

Number of members in the VM of the world that is running.

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8
Q

MbTX/s:

A

Amount of data transmitted (in megabits) per second

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9
Q

MbRX/s:

A

Amount of data received (in megabits) per second

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10
Q

PKTTX/s:

A

Average number of packets transmitted per second in the sampling interval

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11
Q

PKTRX/s:

A

Average number of packets received per second in the sampling interval

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12
Q

%DRPTX:

A

Percentage of outbound packets dropped in the sampling interval

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13
Q

%DRPRX:

A

Percentage of inbound packets dropped in the sampling interval

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14
Q

ESXTOP

PMEM:

A

The total amount of physical memory on your host in megabytes.

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15
Q

ESXTOP

VMKMEM:

A

The memory that is managed by the VMkernel in megabytes.

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16
Q

ESXTOP

PSHARE:

A

The saving field shows you how much memory you saved because of TPS.

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17
Q

ESXTOP

Memory state:

A

This value can be high, clear, soft, hard, or low. This value refers to the current state of the VMkernel’s memory. This value also indicates whether the VMkernel has enough free memory to perform its critical operations.

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18
Q

ESXTOP

MEMCTL/MB:

A

This line displays the memory balloon statistics for the entire host.

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19
Q

ESXTOP

MCTL?:

A

This value, which is either Y (for yes) or N (for no), indicates whether the balloon driver is installed in the VM.

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20
Q

ESXTOP

MCTLSZ:

A

This value is reported for each VM and represents the amount of physical memory that the balloon driver is holding for use by other VMs.

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21
Q

ESXTOP

MCTLTGT:

A

This value is the amount of physical memory that the host wants to reclaim from the VM through ballooning.

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22
Q

ESXTOP

CACHESZ (MB):

A

Compression memory cache size

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23
Q

ESXTOP

CACHEUSD (MB):

A

Used compression memory cache

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24
Q

ESXTOP

ZIP/s (MB/s):

A

Compressed memory per second

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25
Q

ESXTOP

UNZIP/s (MB/s):

A

Decompressed memory per second

26
Q

ESXTOP

LLSWR/s

A

is the rate (in MB) at which memory is read from the host cache.

27
Q

ESXTOP

LLSWW/s

A

is the rate (in MB) at which memory is written to the host cache.

28
Q

ESXTOP

SWR/s and SWW/s:

A

Measured in megabytes, these counters represent the rate at which the ESXi host is swapping memory in from disk (SWR/s) and swapping memory out to disk (SWW/s).

29
Q

ESXTOP

SWCUR:

A

The amount of swap space currently used by the VM.

30
Q

ESXTOP

SWTGT:

A

The amount of swap space that the host expects the VM to use.

32
Q

CPU use. The percentage of physical CPU core cycles used by a group of worlds running VMs, resource pools, or other worlds

33
Q

Percentage of time that the VM was ready to run but was not provided CPU resources on which to execute.

34
Q

Percentage of time that the vCPUs of a VM spent in the co-stop state, waiting to be co-started. This value gives an indication of the co-scheduling overhead incurred by the VM. If this value is low, any performance problems should be attributed to other issues and not to the co-scheduling of the VM’s vCPUs.

35
Q

Percentage of time that the VMkernel did not run the VM because that would violate the VM’s limit setting.

36
Q

Percentage of time that the VM spent in a blocked state waiting for events.

37
Q

Percentage of time that the VM spends waiting for the VMkernel to swap memory.

38
Q

Number of members in the VM of the world that is running.

39
Q

Amount of data transmitted (in megabits) per second

40
Q

Amount of data received (in megabits) per second

41
Q

Average number of packets transmitted per second in the sampling interval

42
Q

Average number of packets received per second in the sampling interval

43
Q

Percentage of outbound packets dropped in the sampling interval

44
Q

Percentage of inbound packets dropped in the sampling interval

45
Q

The total amount of physical memory on your host in megabytes.

A

ESXTOP

PMEM:

46
Q

The memory that is managed by the VMkernel in megabytes.

A

ESXTOP

VMKMEM:

47
Q

The saving field shows you how much memory you saved because of TPS.

A

ESXTOP

PSHARE:

48
Q

This value can be high, clear, soft, hard, or low. This value refers to the current state of the VMkernel’s memory. This value also indicates whether the VMkernel has enough free memory to perform its critical operations.

A

ESXTOP

Memory state:

49
Q

This line displays the memory balloon statistics for the entire host.

A

ESXTOP

MEMCTL/MB:

50
Q

This value, which is either Y (for yes) or N (for no), indicates whether the balloon driver is installed in the VM.

A

ESXTOP

MCTL?:

51
Q

This value is reported for each VM and represents the amount of physical memory that the balloon driver is holding for use by other VMs.

A

ESXTOP

MCTLSZ:

52
Q

This value is the amount of physical memory that the host wants to reclaim from the VM through ballooning.

A

ESXTOP

MCTLTGT:

53
Q

Compression memory cache size

A

ESXTOP

CACHESZ (MB):

54
Q

Used compression memory cache

A

ESXTOP

CACHEUSD (MB):

55
Q

Compressed memory per second

A

ESXTOP

ZIP/s (MB/s):

56
Q

Decompressed memory per second

A

ESXTOP

UNZIP/s (MB/s):

57
Q

is the rate (in MB) at which memory is read from the host cache.

A

ESXTOP

LLSWR/s

58
Q

is the rate (in MB) at which memory is written to the host cache.

A

ESXTOP

LLSWW/s

59
Q

Measured in megabytes, these counters represent the rate at which the ESXi host is swapping memory in from disk (SWR/s) and swapping memory out to disk (SWW/s).

A

ESXTOP

SWR/s and SWW/s:

60
Q

The amount of swap space currently used by the VM.

A

ESXTOP

SWCUR:

61
Q

The amount of swap space that the host expects the VM to use.

A

ESXTOP

SWTGT:

VCP-DCV 2022 Review (23 decks)

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