snapchat metrics

Starting with VS2008, there is a new tool to help developers better understand the code they write. This tool is "calculated code metrics." For a specific description of this feature and several indicators, please refer to the official documentation below Code metrics are a set of software metrics that enable developers to better understand the code they are

systems.In Java there is an open source project called Metrics, which captures the JVM and application-level performance parameters, and his author, Coda Hale, describes what Mertics is and why metrics is necessary in an application system, Videos and speeches can be downloaded separately on YouTube and SlideShare. The project that has been ported in. NET is called Metrics.net.Before you start introducing

with a different one font-family :P> spanclass= "a">Baspan> spanclass= "B">Baspan> spanclass= "C">Baspan>P>P { font-size: 100px;} { font-family: Helvetica;} { font-family: Gruppo;} { font-family: catamaran;}Each element uses the same font-size , but uses a different font-family one, but the rendering line-height is different:Even though we are aware of this behavior, it is unclear why font-size:100px the element is height not 100px ? I measured the discovery: the heig

People who use hadoop have some knowledge about the detailed counters in hadoop, but many may not find any information when they want to fully understand all metrics. In addition, there are few introductions when searching in the code. List all items. DFS. datanode. blockchecksumop_avg_time block verification average time DFS. datanode. blockchecksumop_num_ops block check count DFS. datanode. blockreports_avg_time average time of the block report DFS.

Java Metric Usage Introduction 1Metrics is a package for Java to provide measurement tools, embedded in Java code Metrics code, you can easily monitor the various indicators of business code, the same time, metrics can be very good with ganlia, graphite combination, Easy to provide graphical interface.Below is a brief introduction of how metrics is used.Maven Add

Welcome reprint, Reprint please indicate the source, emblem Shanghai one lang.ProfileThe WEB UI and metrics subsystem provide the necessary windows for external observation to monitor the internal operation of Spark, and this article will briefly take a look at its internal code implementation.WEB UIFirst feel the spark WebUI assuming that you are currently running standalone cluster mode in your native computer, enter http://127.0.0.1:8080 will see t

Tags: ping sync for ODB scene space reading and writing state buffer filesIn order to troubleshoot the problem, the monitoring of the database is essential, in this introduction of MySQL in the common monitoring indicators.Brief introductionMySQL has a number of branch versions, common with MySQL, Percona, MariaDB, each version of the corresponding monitoring items will be somewhat different, here only some common monitoring items.Typically, the source code for a monitoring item is defined in th

Before we introduce the disk I/O monitoring commands, we need to understand the metrics for disk I/O performance monitoring, and the performance of some aspects of the disk revealed by each indicator. Indicators for disk I/O performance monitoring mainly include:Indicator 1: Number of I/Os per second (IOPS or TPS)For disks, the continuous read or continuous write of a disk is called a disk I/O, and the IOPS of the disk is the sum of the number of cons

Elasticsearch is an open-source framework that provides search and correlation sequencing, while also supporting complex statistical-aggregation of stored documents. The Kubana icons are drawn based on aggregations. For more information, please refer to the Elasticsearch+logstash+kibana tutorial ObjectiveThe aggregations in ES are divided into two main categories: the metrics metric and the bucket bucket, and the

Before introducing the disk I/O monitoring command, we need to understand the disk I/O performance monitoring metrics, as well as the disk performance of each indicator. Disk I/O performance metrics include:Metric 1: I/O per second (iops or TPS)For a disk, the continuous read or write operation of a disk is called a disk I/O. The iops of the disk is the sum of the number of consecutive read operations and w

Enterprise Manager to perform an action when an indicator reaches the baseline of the measure or exceeds the number. Therefore, the management of metrics baselines is critical to the self-monitoring capabilities of the database system. If this metric baseline is set high, then the monitoring will not work. The database may have crashed when the system was alerted. If this metric baseline is set relatively low, then the database is frequently reported