Display store information

You can use the neo4j-admin database info command to print information about a Neo4j database store. The following information about the store format of a given database store can be retrieved:

The store format version.
When the store format version was introduced.
Whether the store format needs to be migrated to a newer version.

The neo4j-admin database info command is located in the bin directory.

Syntax

The neo4j-admin database info command should be invoked against an offline database store or a backup and has the following syntax:

neo4j-admin database info [-h] [--expand-commands] [--verbose]
                          [--additional-config=<file>]
                          [--format=text|json]
                          [--from-path=<path>] [<database>]

Parameters

Table 1. `neo4j-admin database info` parameters
Parameter	Description	Default
`[<database>]`	Name of the database to show info for. Can contain * and ? for globbing. Note that * and ? have special meaning in some shells and might need to be escaped or used with quotes.	`*`

Options

The neo4j-admin database info command has the following options:

Table 2. `neo4j-admin database info` options
Option	Description	Default
`--additional-config=<file>`	Configuration file with additional configuration.
`--expand-commands`	Allow command expansion in config value evaluation.
`--format=text\|json`	The format of the returned information.	`text`
`--from-path=<path>`	Path to databases directory.
`-h, --help`	Show this help message and exit.
`--verbose`	Enable verbose output.

Examples

Example 1. Invoke neo4j-admin database info against a database store

bin/neo4j-admin database info mygraph.db

Output:

Store format version:         record-aligned-1.1
Store format introduced in:   5.0.0

Example 2. Invoke neo4j-admin database info against all databases

The command can also be invoked against all databases, as follows:

neo4j-admin database info --from-path=<databases-directory>

bin/neo4j-admin database info data/databases

Output:

Database name:                 foo
Database in use:               false
Store format version:          record-aligned-1.1
Store format introduced in:    5.0.0
Last committed transaction id:2
Store needs recovery:          true

Database name:                 bar
Database in use:               true

When the command is invoked against several databases, if some are online they will simply report as in use and exclude all other information.

Example 3. Invoke neo4j-admin database info against a database and output JSON

If you are parsing the results of this command you may use the --format=json option to receive the output as JSON. All the same fields are included and all values are strings.

bin/neo4j-admin database info --from-path data/databases --format=json foo

Output:

{"databaseName":"foo",
"inUse":"false",
"storeFormat”:"record-aligned-1.1",
"storeFormatIntroduced”:"5.0.0",
"lastCommittedTransaction":"2",
"recoveryRequired":"true"}

Store formats and entity limits

The store formats are:

aligned
standard
high_limit Enterprise Edition

Aligned

Table 3. Store versions — `aligned`
Store Format Name	Store Format Version	Introduced in	Unsupported from
`ALIGNED_V5_0`	`record-aligned-1.1`	`5.0.0`
`ALIGNED_V4_3`	`AF4.3.0`	`4.3.0`	`5.0.0`
`ALIGNED_V4_1`	`AF4.1.a`	`4.1.0`	`5.0.0`

Table 4. Store limits — `aligned`
Name	Limit
Property keys	`2^24` (16 777 216)
Nodes	`2^35` (34 359 738 368)
Relationships	`2^35` (34 359 738 368)
Properties	`2^36` (68 719 476 736)
Labels	`2^31` (2 147 483 648)
Relationship types	`2^16` (65 536)
Relationship groups	`2^35` (34 359 738 368)

Standard

Table 5. Store versions — `standard`
Store Format Name	Store Format Version	Introduced in	Unsupported from
`STANDARD_V5_0`	`record-standard-1.1`	`5.0.0`
`STANDARD_V4_3`	`SF4.3.0`	`4.3.0`	`5.0.0`
`STANDARD_V4_0`	`SF4.0.0`	`4.0.0`	`5.0.0`
`STANDARD_V3_4`	`v0.A.9`	`3.4.0`	`5.0.0`

Table 6. Store limits — `standard`
Name	Limit
Property keys	`2^24` (16 777 216)
Nodes	`2^35` (34 359 738 368)
Relationships	`2^35` (34 359 738 368)
Properties	`2^36` (68 719 476 736)
Labels	`2^31` (2 147 483 648)
Relationship types	`2^16` (65 536)
Relationship groups	`2^35` (34 359 738 368)

High_limit

Table 7. Store versions — `high_limit`
Store Format Name	Store Format Version	Introduced in	Unsupported from
`HIGH_LIMIT_V5_0`	`record-high_limit-1.1`	`5.0.0`
`HIGH_LIMIT_V4_3_0`	`HL4.3.0`	`4.3.0`	`5.0.0`
`HIGH_LIMIT_V4_0_0`	`HL4.0.0`	`4.0.0`	`5.0.0`
`HIGH_LIMIT_V3_4_0`	`vE.H.4`	`3.4.0`	`5.0.0`
`HIGH_LIMIT_V3_2_0`	`vE.H.3`	`3.2.0`	`5.0.0`
`HIGH_LIMIT_V3_1_0`	`vE.H.2`	`3.1.0`	`5.0.0`
`HIGH_LIMIT_V3_0_6`	`vE.H.0b`	`3.0.6`	`5.0.0`
`HIGH_LIMIT_V3_0_0`	`vE.H.0`	`3.0.0`	`5.0.0`

Table 8. Store limits — `high_limit`
Name	Limit
Property keys	`2^24` (16 777 216)
Nodes	`2^50` (1 Quadrillion)
Relationships	`2^50` (1 Quadrillion)
Properties	`2^50` (1 Quadrillion)
Labels	`2^31` (2 147 483 648)
Relationship types	`2^24` (16 777 216)
Relationship groups	`2^50` (1 Quadrillion)