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Struct MDBX_envinfo.mi_pgop_stat

ClassList > MDBX_envinfo.mi_pgop_stat

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Public Attributes

Type	Name
uint64_t	clone
uint64_t	cow
uint64_t	fsync
uint64_t	merge
uint64_t	mincore
uint64_t	msync
uint64_t	newly
uint64_t	prefault
uint64_t	spill
uint64_t	split
uint64_t	unspill
uint64_t	wops

Detailed Description

Statistics of page operations.

Overall statistics of page operations of all (running, completed and aborted) transactions in the current multi-process session (since the first process opened the database after everyone had previously closed it).

Public Attributes Documentation

variable clone

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::clone;

Quantity of parent's dirty pages clones for nested transactions

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variable cow

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::cow;

Quantity of pages copied for update

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variable fsync

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::fsync;

Number of explicit fsync-to-disk operations (not a pages)

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variable merge

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::merge;

Page merges

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variable mincore

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::mincore;

Number of mincore() calls

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variable msync

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::msync;

Number of explicit msync-to-disk operations (not a pages)

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variable newly

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::newly;

Quantity of a new pages added

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variable prefault

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::prefault;

Number of prefault write operations (not a pages)

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variable spill

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::spill;

Quantity of spilled dirty pages

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variable split

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::split;

Page splits

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variable unspill

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::unspill;

Quantity of unspilled/reloaded pages

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variable wops

uint64_t MDBX_envinfo::@124310376302027012077165200060047303365100233312::wops;

Number of explicit write operations (not a pages) to a disk

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The documentation for this class was generated from the following file mdbx.h