---> uname -a: Linux prd-centos7-docker-4c-2g-3062.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 887M 0 887M 0% /dev tmpfs 919M 0 919M 0% /dev/shm tmpfs 919M 17M 903M 2% /run tmpfs 919M 0 919M 0% /sys/fs/cgroup /dev/vda1 50G 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 580 75 16 1181 1057 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP group default qlen 1000 link/ether fa:16:3e:a9:7f:85 brd ff:ff:ff:ff:ff:ff inet 10.30.122.73/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fea9:7f85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:77:27:c5 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:e0ff:fe77:27c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/02/2020 _x86_64_ (4 CPU) 05:13:45 PM LINUX RESTART 05:15:03 PM tps rtps wtps bread/s bwrtn/s 05:16:01 PM 92.69 32.44 60.25 6694.22 13891.51 05:17:01 PM 109.06 59.45 49.61 4914.00 17228.87 05:18:01 PM 127.73 29.16 98.57 1881.23 13709.84 Average: 109.99 40.43 69.57 4474.60 14954.16 05:15:03 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 PM 70700 1810856 96.24 2620 1103104 1190368 40.63 687812 931592 91688 05:17:01 PM 86208 1795348 95.42 2596 1147916 1133284 38.68 797772 812852 72160 05:18:01 PM 96760 1784796 94.86 1956 1117164 1084740 37.02 650060 896784 30412 Average: 84556 1797000 95.51 2391 1122728 1136131 38.77 711881 880409 64753 05:15:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:16:01 PM eth0 1741.27 1208.15 3198.53 3833.83 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM docker0 13.81 25.42 1.08 188.69 0.00 0.00 0.00 05:17:01 PM eth0 1933.49 1359.70 4676.56 220.84 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM eth0 39.45 28.49 156.14 30.52 0.00 0.00 0.00 05:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1233.13 862.08 2672.10 1336.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.51 8.30 0.35 61.64 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/02/2020 _x86_64_ (4 CPU) 05:13:45 PM LINUX RESTART 05:15:03 PM CPU %user %nice %system %iowait %steal %idle 05:16:01 PM all 21.74 0.00 4.54 1.16 0.06 72.51 05:16:01 PM 0 24.38 0.00 7.08 0.85 0.09 67.60 05:16:01 PM 1 30.01 0.00 4.38 1.59 0.05 63.97 05:16:01 PM 2 11.04 0.00 3.44 0.89 0.07 84.57 05:16:01 PM 3 21.62 0.00 3.31 1.30 0.05 73.72 05:17:01 PM all 19.30 0.00 3.42 1.68 0.02 75.58 05:17:01 PM 0 34.94 0.00 6.61 1.59 0.03 56.84 05:17:01 PM 1 11.77 0.00 2.64 3.01 0.02 82.56 05:17:01 PM 2 17.35 0.00 2.54 0.54 0.02 79.56 05:17:01 PM 3 13.40 0.00 1.95 1.57 0.02 83.07 05:18:01 PM all 16.99 0.00 3.07 3.05 0.02 76.88 05:18:01 PM 0 24.44 0.00 3.84 3.25 0.02 68.46 05:18:01 PM 1 17.55 0.00 3.87 3.15 0.02 75.40 05:18:01 PM 2 14.52 0.00 2.69 1.40 0.00 81.38 05:18:01 PM 3 11.42 0.00 1.88 4.41 0.00 82.29 Average: all 19.31 0.00 3.66 1.97 0.03 75.02 Average: 0 27.94 0.00 5.81 1.92 0.05 64.28 Average: 1 19.65 0.00 3.62 2.60 0.03 74.10 Average: 2 14.34 0.00 2.88 0.94 0.03 81.81 Average: 3 15.41 0.00 2.37 2.44 0.02 79.75