https://www.fromdual.com/tags/packets/Recent content in Packets on FromDual GmbHHugoen-GBoli.sennhauser@fromdual.com (Oli Sennhauser)oli.sennhauser@fromdual.com (Oli Sennhauser)© FromDual GmbHFri, 07 Aug 2020 16:06:30 +0000https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/Thu, 28 Nov 2019 12:05:12 +0000oli.sennhauser@fromdual.com (Oli Sennhauser)https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/<h2 id="table-of-contents">Table of Contents</h2> <ul> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#ifconfig"><code>ifconfig</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#ip"><code>ip</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#ethtool-statistics"><code>ethtool --statistics</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#nstat"><code>nstat</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#netstat-statistics"><code>netstat --statistics</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#ss"><code>ss</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#reasons">Reasons for dropped packets</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#features-of-network-card">Features of Network card</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#features-of-network-driver">Features of Network driver</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#network-ring-buffer">Network driver ring buffer</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#tcp-socket-received-and-send-buffer">TCP socket received and send buffer</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#flow-control">Flow Control</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#check-over-time-sar">Check over time: <code>sar</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#dropwatch">Dropwatch</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#perf-kfree-skb"><code>perf</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#tcpdump"><code>tcpdump</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#proc-net-netstat"><code>/proc/net/netstat</code></a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#stap">System Tap (<code>stap</code>)</a></li> <li><a href="https://www.fromdual.com/blog/dropped-packages-on-mariadb-mysql-linux-servers/#literature">Literature</a></li> </ul> <p>When we do MariaDB and MySQL Database server analysis we see from time to time systems with a lot of dropped packets on a network interface:</p>