Gzip compression performance test in php curl_PHP tutorial

Antecedents:

1

There are many requests to the interface, more than 200 million times a day, mainly because some interfaces return a large amount of data up to 110KB (in order to reduce the number of requests, multiple interfaces are merged into one).
The nginx of the backend interface has enabled gzip, so do a test to see if compression and decompression are used during the request

　

The extension installation of php CURL will not be discussed here

Two parameters of curl used

//Add gzip compression to the http request header
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept-Encoding:gzip'));

//The result returned by curl is decompressed using gzip
curl_setopt($ch, CURLOPT_ENCODING, "gzip");

1. Do not use compression or decompression

$s1 = microtime(true);

$ch = curl_init();

for($i=0; $i<100;$i++){

$url="http://192.168.0.11:8080/xxxxx/xxxxx?";

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_TIMEOUT, 3);

$data = curl_exec($ch);

}

curl_close($ch);

echo microtime(true)-$s1;

echo "n";

Test results: The average time taken for 100 requests is 2.1s 0.021s/time

2. Use compression and decompression

$s1 = microtime(true);

$ch = curl_init();

for($i=0; $i<100;$i++){

$url="http://192.168.0.1:8080/xxxxx/xxxxx?";

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_TIMEOUT, 3);

curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept-Encoding:gzip'));

curl_setopt($ch, CURLOPT_ENCODING, "gzip");

$data = curl_exec($ch);

}

curl_close($ch);

echo microtime(true)-$s1;

echo "n";

Test results: The average time taken for 100 requests is 2.6s 0.026/time

Results

1. Without compression, one request is 5ms faster than using compression

2. Gigabit network, it takes about 0.7ms to transmit these data within the LAN

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