php-foundationdb's Introduction

PHP-FoundationDB

FoundationDB is a distributed database designed to handle large volumes of structured data across clusters of commodity servers. It organizes data as an ordered key-value store and employs ACID transactions for all operations. It is especially well-suited for read/write workloads but also has excellent performance for write-intensive workloads.

Open Database

$foundationClient = new \Foundation\Client();

$database = $foundationClient
    ->connection('/usr/local/etc/foundationdb/fdb.cluster')
    ->database('DB');

Insert

Grammar

bool set(string $key, string $value);

Example

$database->set('viest', json_encode([
    'name' => 'JiexinWang',
    'age' => 22
]));

Find

Grammar

string get(string $key);

Example

$user = $database->get('viest');

Delete

Grammar

bool clear(string $key);

Example

$database->clear('viest')

Range

Grammar

array range(int $startIndex, int $endIndex);

Example

$rangeArray = $database->range(0, 2);

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PECL support

Do you have plans to make it a PECL extension?

Api version and/or network error

This code intermittently works (only once in about 5 minutes). I am running Centos 7 and PHP 7.3

$foundationClient = new \Foundation\Client();
$database = $foundationClient
    ->connection('/etc/foundationdb/fdb.cluster')
    ->database('DB');
$database->set('test', 'testing123');
echo $database->get('test');

The error when it is not working is

Fatal error: Uncaught Foundation\Exception: API version may be set only once in /usr/local/lsws/domain.com/html/test.php:12 Stack trace: #0 /usr/local/lsws/domain.com/html/test.php(12): Foundation\Client->connection('/etc/foundation...') #1 {main} Next Foundation\Exception: Network can be configured only once in /usr/local/lsws/domain.com/html/test.php:12 Stack trace: #0 /usr/local/lsws/domain.com/html/test.php(12): Foundation\Client->connection('/etc/foundation...') #1 {main} thrown in /usr/local/lsws/domain.com/html/test.php on line 12

My fdbcli status is

fdb> status

Using cluster file `/etc/foundationdb/fdb.cluster'.

Configuration:
  Redundancy mode        - double
  Storage engine         - memory-2
  Coordinators           - 3

Cluster:
  FoundationDB processes - 3
  Zones                  - 3
  Machines               - 3
  Memory availability    - 0.6 GB per process on machine with least available
                           >>>>> (WARNING: 4.0 GB recommended) <<<<<
  Fault Tolerance        - 1 machine
  Server time            - 04/03/20 03:12:21

Data:
  Replication health     - Healthy
  Moving data            - 0.000 GB
  Sum of key-value sizes - 0 MB
  Disk space used        - 337 MB

Operating space:
  Storage server         - 1.0 GB free on most full server
  Log server             - 7.2 GB free on most full server

Workload:
  Read rate              - 18 Hz
  Write rate             - 0 Hz
  Transactions started   - 8 Hz
  Transactions committed - 0 Hz
  Conflict rate          - 0 Hz

Backup and DR:
  Running backups        - 0
  Running DRs            - 0

Client time: 04/03/20 03:12:21
fdb>

My local IP is 10.148.0.7
My fdb.cluster is
rsVDreX2:[email protected]:4500,10.148.0.12:4500,10.148.0.13:4500

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php-foundationdb's Introduction

PHP-FoundationDB

Open Database

Insert

Grammar

Example

Find

Grammar

Example

Delete

Grammar

Example

Range

Grammar

Example

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