SeasLog-1.5.6 发布,内存和IO优化版本,轻量高效的PHP日志扩展。
改进日志:
此次改进进行了内存稳定优化,和批量IO优化,本次版本将带来更低的内存和IO消耗,稍后将发布性能测试报告。
- Fixed issue #76 #80 #86 Fixed segment fault with PHP7. - Make memory usage more stable, and clear memory leaks with PHP5.* and PHP7.*.
为什么使用SeasLog
log日志,通常是系统或软件、应用的运行记录。通过log的分析,可以方便用户了解系统或软件、应用的运行情况;如果你的应用log足够丰富,也可以分析以往用户的操作行为、类型喜好、地域分布或其他更多信息;如果一个应用的log同时也分了多个级别,那么可以很轻易地分析得到该应用的健康状况,及时发现问题并快速定位、解决问题,补救损失。
php内置error_log、syslog函数功能强大且性能极好,但由于各种缺陷(error_log无错误级别、无固定格式,syslog不分模块、与系统日志混合),灵活度降低了很多,不能满足应用需求。
好消息是,有不少第三方的log类库弥补了上述缺陷,如log4php、plog、Analog等(当然也有很多应用在项目中自己开发的log类)。其中以 log4php 最为著名,设计精良、格式完美、文档完善、功能强大。推荐。
不过log4php在性能方面表现非常差,下图是SeasLog与log4php的ab并发性能测试( 测试环境:Ubuntu12.04单机,CPU I3,内存 16G,硬盘 SATA 7200):
那么有没有一种log类库满足以下需求呢:
-
分模块、分级别
-
配置简单(最好是勿须配置)
-
日志格式清晰易读
-
应用简单、性能很棒
SeasLog 正是应此需求而生。
目前提供了什么
-
在PHP项目中便捷、规范地记录log
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可配置的默认log目录与模块
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指定log目录与获取当前配置
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初步的分析预警框架
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高效的日志缓冲、便捷的缓冲debug
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遵循 PSR-3 日志接口规范
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自动记录错误信息
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自动记录异常信息
目标是怎样的
-
便捷、规范的log记录
-
高效的海量log分析
-
可配置、多途径的log预警
安装
编译安装 SeasLog
$ /path/to/phpize$ ./configure --with-php-config=/path/to/php-config$ make && make install
PECL安装SeasLog
$ pecl install seaslog
seaslog.ini 的配置
; configuration for php SeasLog moduleextension = seaslog.soseaslog.default_basepath = /log/seaslog-test ;默认log根目录seaslog.default_logger = default ;默认logger目录seaslog.disting_type = 1 ;是否以type分文件 1是 0否(默认)seaslog.disting_by_hour&nnbsp;= 1 ;是否每小时划分一个文件 1是 0否(默认)seaslog.use_buffer = 1 ;是否启用buffer 1是 0否(默认)seaslog.buffer_size = 100 ;buffer中缓冲数量 默认0(不使用buffer_size)seaslog.level = 0 ;记录日志级别 默认0(所有日志)seaslog.trace_error = 1 ;自动记录错误 默认1(开启)seaslog.trace_exception = 0 ;自动记录异常信息 默认0(关闭)seaslog.default_datetime_format = "%Y:%m:%d %H:%M:%S" ;日期格式配置 默认"%Y:%m:%d %H:%M:%S"
seaslog.disting_type = 1 开启以type分文件,即log文件区分info\warn\erro
seaslog.disting_by_hour = 1 开启每小时划分一个文件
seaslog.use_buffer = 1 开启buffer。默认关闭。当开启此项时,日志预存于内存,当请求结束时(或异常退出时)一次写入文件。
常量与函数
常量列表
* SEASLOG_DEBUG "debug"* SEASLOG_INFO "info"* SEASLOG_NOTICE "notice"* SEASLOG_WARNING "warning"* SEASLOG_ERROR "error"* SEASLOG_CRITICAL "critical"* SEASLOG_ALERT "alert"* SEASLOG_EMERGENCY "emergency"var_dump(SEASLOG_DEBUG,SEASLOG_INFO,SEASLOG_NOTICE);/*string('debug') debug级别string('info') info级别string('notice') notice级别*/
函数列表
SeasLog 提供了这样一组函数,可以方便地获取与设置根目录、模块目录、快速写入与统计log。 相信从下述伪代码的注释中,您可以快速获取函数信息,具体使用将紧接其后:
<?php/** * @author neeke@php.net * Date: 14-1-27 下午4:47 */class SeasLog{ public function __construct() { #SeasLog init } public function __destruct() { #SeasLog distroy } /** * 设置basePath * * @param $basePath * * @return bool */ static public function setBasePath($basePath) { return TRUE; } /** * 获取basePath * * @return string */ static public function getBasePath() { return 'the base_path'; } /** * 设置模块目录 * @param $module * * @return bool */ static public function setLogger($module) { return TRUE; } /** * 获取最后一次设置的模块目录 * @return string */ static public function getLastLogger() { return 'the lastLogger'; } /** * 设置DatetimeFormat配置 * @param $format * * @return bool */ static public function setDatetimeFormat($format) { return TRUE; } /** * 返回当前DatetimeFormat配置格式 * @return string */ static public function getDatetimeFormat() { return 'the datetimeFormat'; } /** * 统计所有类型(或单个类型)行数 * @param string $level * @param string $log_path * @param null $key_word * * @return array | long */ static public function analyzerCount($level = 'all', $log_path = '*', $key_word = NULL) { return array(); } /** * 以数组形式,快速取出某类型log的各行详情 * * @param $level * @param string $log_path * @param null $key_word * @param int $start * @param int $limit * @param $order * * @return array */ static public function analyzerDetail($level = SEASLOG_INFO, $log_path = '*', $key_word = NULL, $start = 1, $limit = 20, $order = SEASLOG_DETIAL_ORDER_ASC) { return array(); } /** * 获得当前日志buffer中的内容 * * @return array */ static public function getBuffer() { return array(); } /** * 将buffer中的日志立刻刷到硬盘 * * @return bool */ static public function flushBuffer() { return TRUE; } /** * 记录debug日志 * * @param $message * @param array $content * @param string $module */ static public function debug($message, array $content = array(), $module = '') { #$level = SEASLOG_DEBUG } /** * 记录info日志 * * @param $message * @param array $content * @param string $module */ static public function info($message, array $content = array(), $module = '') { #$level = SEASLOG_INFO } /** * 记录notice日志 * * @param $message * @param array $content * @param string $module */ static public function notice($message, array $content = array(), $module = '') { #$level = SEASLOG_NOTICE } /** * 记录warning日志 * * @param $message * @param array $content * @param string $module */ static public function warning($message, array $content = array(), $module = '') { #$level = SEASLOG_WARNING } /** * 记录error日志 * * @param $message * @param array $content * @param string $module */ static public function error($message, array $content = array(), $module = '') { #$level = SEASLOG_ERROR } /** * 记录critical日志 * * @param $message * @param array $content * @param string $module */ static public function critical($message, array $content = array(), $module = '') { #$level = SEASLOG_CRITICAL } /** * 记录alert日志 * * @param $message * @param array $content * @param string $module */ static public function alert($message, array $content = array(), $module = '') { #$level = SEASLOG_ALERT } /** * 记录emergency日志 * * @param $message * @param array $content * @param string $module */ static public function emergency($message, array $content = array(), $module = '') { #$level = SEASLOG_EMERGENCY } /** * 通用日志方法 * @param $level * @param $message * @param array $content * @param string $module */ static public function log($level, $message, array $content = array(), $module = '') { }}
SeasLog Logger的使用(详细文档)
使用SeasLog进行健康预警
预警的配置
[base]wait_analyz_log_path = /log/base_test[fork];是否开启多线程 1开启 0关闭fork_open = 1;线程个数fork_count = 3[warning]email[smtp_host] = smtp.163.comemail[smtp_port] = 25email[subject_pre] = 预警邮件 -email[smtp_user] = seaslogdemo@163.comemail[smtp_pwd] = seaslog#demoemail[mail_from] = seaslogdemo@163.comemail[mail_to] = gaochitao@weiboyi.comemail[mail_cc] = ciogao@gmail.comemail[mail_bcc] =[analyz]; enum; SEASLOG_DEBUG "debug"; SEASLOG_INFO "info"; SEASLOG_NOTICE "notice"; SEASLOG_WARNING "warning"; SEASLOG_ERROR "error"; SEASLOG_CRITICAL "critical"; SEASLOG_ALERT "alert"; SEASLOG_EMERGENCY "emergency"test1[module] = test/bbtest1[level] = SEASLOG_ERRORtest1[bar] = 1test1[mail_to] = gaochitao@weiboyi.comtest2[module] = 222test2[level] = SEASLOG_WARNINGtest3[module] = 333test3[level] = SEASLOG_CRITICALtest4[module] = 444test4[level] = SEASLOG_EMERGENCYtest5[module] = 555test5[level] = SEASLOG_DEBUG
crontab配置
;每天凌晨3点执行0 3 * * * /path/to/php /path/to/SeasLog/Analyzer/SeasLogAnalyzer.php
Demo:
<?php/** * @author ciogao@gmail.com * Date: 14-1-27 下午4:41 */ SeasLog::log(SEASLOG_ERROR,'this is a error test by ::log');SeasLog::debug('this is a {userName} debug',array('{userName}' => 'neeke'));SeasLog::info('this is a info log');SeasLog::notice('this is a notice log');SeasLog::warning('your {website} was down,please {action} it ASAP!',array('{website}' => 'github.com','{action}' => 'rboot'));SeasLog::error('a error log');SeasLog::critical('some thing was critical');SeasLog::alert('yes this is a {messageName}',array('{messageName}' => 'alertMSG'));SeasLog::emergency('Just now, the house next door was completely burnt out! {note}',array('{note}' => 'it`s a joke'));echo "\n";

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