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# dbiHStats_s Struct Reference
[DataBase Index element API.]

## Data Fields

unsigned int | hash_magic
unsigned int | hash_version
unsigned int | hash_nkeys
unsigned int | hash_ndata
unsigned int | hash_pagesize
unsigned int | hash_nelem
unsigned int | hash_ffactor
unsigned int | hash_buckets
unsigned int | hash_free
unsigned int | hash_bfree
unsigned int | hash_bigpages
unsigned int | hash_big_bfree
unsigned int | hash_overflows
unsigned int | hash_ovfl_free
unsigned int | hash_dup
unsigned int | hash_dup_free

## Detailed Description

Hash database statistics.

Definition at line 31 of file db3.c.

## Field Documentation

unsigned int dbiHStats_s::hash_bfree

| no. of bytes free on bucket pages. Definition at line 41 of file db3.c.

unsigned int dbiHStats_s::hash_big_bfree

| no. of bytes free on big item pages. Definition at line 43 of file db3.c.

unsigned int dbiHStats_s::hash_bigpages

| no. of big key/data pages. Definition at line 42 of file db3.c.

unsigned int dbiHStats_s::hash_buckets

| no. of hash buckets. Definition at line 39 of file db3.c.

unsigned int dbiHStats_s::hash_dup

| no. of duplicate pages. Definition at line 46 of file db3.c.

unsigned int dbiHStats_s::hash_dup_free

| no. bytes free on duplicate pages. Definition at line 47 of file db3.c.

unsigned int dbiHStats_s::hash_ffactor

| no. of items per bucket. Definition at line 38 of file db3.c.

unsigned int dbiHStats_s::hash_free

| no. of pages on the free list. Definition at line 40 of file db3.c.

unsigned int dbiHStats_s::hash_magic

| hash database magic number. Definition at line 32 of file db3.c.

unsigned int dbiHStats_s::hash_ndata

| no. of key/data pairs in the database. Definition at line 35 of file db3.c.

unsigned int dbiHStats_s::hash_nelem

| estimated size of the hash table. Definition at line 37 of file db3.c.

unsigned int dbiHStats_s::hash_nkeys

| no. of unique keys in the database. Definition at line 34 of file db3.c.

unsigned int dbiHStats_s::hash_overflows

| no. of overflow pages. Definition at line 44 of file db3.c.

unsigned int dbiHStats_s::hash_ovfl_free

| no. of bytes free on overflow pages. Definition at line 45 of file db3.c.

unsigned int dbiHStats_s::hash_pagesize

| db page (and bucket) size, in bytes. Definition at line 36 of file db3.c.

unsigned int dbiHStats_s::hash_version

| version of the hash database. Definition at line 33 of file db3.c.

The documentation for this struct was generated from the following file:

- rpmdb/db3.c