row0pread.cc File Reference

Parallel read implementation. More...

#include <array>
#include "btr0pcur.h"
#include "dict0dict.h"
#include "os0thread-create.h"
#include "row0mysql.h"
#include "row0pread.h"
#include "row0row.h"
#include "row0vers.h"
#include "ut0new.h"

Classes
class	PCursor
	Persistent cursor wrapper around btr_pcur_t. More...

Variables
static constexpr size_t	SPLIT_THRESHOLD {3}
	Tree depth at which we decide to split blocks further. More...
static constexpr size_t	TRX_IS_INTERRUPTED_PROBE {50000}
	No. More...

Detailed Description

Parallel read implementation.

Created 2018-01-27 by Sunny Bains

Variable Documentation

SPLIT_THRESHOLD

constexpr size_t SPLIT_THRESHOLD {3}

staticconstexpr

Tree depth at which we decide to split blocks further.

TRX_IS_INTERRUPTED_PROBE

constexpr size_t TRX_IS_INTERRUPTED_PROBE {50000}

staticconstexpr

No.

of pages to scan, in the case of large tables, before the check for trx interrupted is made as the call is expensive.