Different connection status between 2 servers


 
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Operating Systems Linux Red Hat Different connection status between 2 servers
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Old 06-29-2018
Different connection status between 2 servers

Hello All,

Actually, We have a problem in our server (RHEL 7.1), 1st server is used for payment apps like switch card payment (passthru only), and 2nd server is used for Database transaction.
When high transaction there is different connection between Apps Server and DB server, Apps Server sends connection to DB Server, but sometimes that's connection not ESTABLISHED like low traffic (I checked thru netstat in 2 servers). I have changed value Local_port range, and fin_timeout but it wasn't solve this problem, and I think my current kernel needs to update kernel to latest or stable version to solve this.
current kernel : 3.10.0-229.e17.x86_64

Please give me suggest about our this connection problem.

Thank you
Regards
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PG_TRANSACTION_STATUS(3)												  PG_TRANSACTION_STATUS(3)

pg_transaction_status - Returns the current in-transaction status of the server.

SYNOPSIS
int pg_transaction_status (resource $connection) DESCRIPTION
Returns the current in-transaction status of the server. Caution pg_transaction_status(3) will give incorrect results when using a PostgreSQL 7.3 server that has the parameter autocommit set to off. The server-side autocommit feature has been deprecated and does not exist in later server versions. PARAMETERS
o $connection - PostgreSQL database connection resource. RETURN VALUES
The status can be PGSQL_TRANSACTION_IDLE (currently idle), PGSQL_TRANSACTION_ACTIVE (a command is in progress), PGSQL_TRANSACTION_INTRANS (idle, in a valid transaction block), or PGSQL_TRANSACTION_INERROR (idle, in a failed transaction block). PGSQL_TRANSACTION_UNKNOWN is reported if the connection is bad. PGSQL_TRANSACTION_ACTIVE is reported only when a query has been sent to the server and not yet com- pleted. EXAMPLES
Example #1 pg_transaction_status(3) example <?php $dbconn = pg_connect("dbname=publisher") or die("Could not connect"); $stat = pg_transaction_status($dbconn); if ($stat === PGSQL_TRANSACTION_UNKNOWN) { echo 'Connection is bad'; } else if ($stat === PGSQL_TRANSACTION_IDLE) { echo 'Connection is currently idle'; } else { echo 'Connection is in a transaction state'; } ?> PHP Documentation Group PG_TRANSACTION_STATUS(3)