---> uname -a: Linux prd-centos7-docker-4c-2g-4332.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: 2933.438 BogoMIPS: 5866.87 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 576 82 16 1177 1062 Swap: 1023 1 1022 ---> 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:b6:9f:2b brd ff:ff:ff:ff:ff:ff inet 10.30.123.202/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:feb6:9f2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:6a:4d:01 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::42:4dff:fe6a:4d01/64 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) 10/09/2020 _x86_64_ (4 CPU) 01:49:42 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 115.15 65.70 49.45 10246.47 6800.47 01:53:02 AM 75.72 18.16 57.56 1270.25 7888.97 01:54:01 AM 88.74 22.67 66.07 954.28 8055.49 Average: 93.18 35.53 57.65 4167.15 7579.81 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 117484 1764072 93.76 2620 1185720 1085264 37.04 614492 972580 140 01:53:02 AM 84516 1797040 95.51 2596 1140124 1121156 38.26 695464 899568 84812 01:54:01 AM 78408 1803148 95.83 2048 1121500 1108596 37.83 692908 871484 92596 Average: 93469 1788087 95.03 2421 1149115 1105005 37.71 667621 914544 59183 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 1305.73 853.28 388.82 3719.83 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM docker0 18.68 21.60 1.21 130.88 0.00 0.00 0.00 01:53:02 AM eth0 131.63 106.65 813.34 12.06 0.00 0.00 0.00 01:53:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 33.27 24.82 130.63 8.76 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 491.80 329.36 447.07 1250.47 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.24 7.22 0.41 43.75 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) 10/09/2020 _x86_64_ (4 CPU) 01:49:42 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 20.56 0.00 4.92 1.66 0.12 72.76 01:52:01 AM 0 15.89 0.00 4.51 1.39 0.07 78.14 01:52:01 AM 1 28.49 0.00 5.49 3.05 0.10 62.87 01:52:01 AM 2 11.75 0.00 3.98 1.54 0.14 82.60 01:52:01 AM 3 26.23 0.00 5.68 0.64 0.14 67.31 01:53:02 AM all 16.43 0.00 2.65 1.15 0.02 79.74 01:53:02 AM 0 33.41 0.00 5.09 2.28 0.02 59.20 01:53:02 AM 1 12.11 0.00 2.32 0.08 0.03 85.45 01:53:02 AM 2 11.82 0.00 1.90 1.49 0.03 84.76 01:53:02 AM 3 8.62 0.00 1.32 0.80 0.02 89.24 01:54:01 AM all 15.80 0.00 3.13 1.25 0.03 79.79 01:54:01 AM 0 19.24 0.00 3.26 0.27 0.03 77.18 01:54:01 AM 1 23.02 0.00 3.62 2.21 0.03 71.11 01:54:01 AM 2 11.99 0.00 3.57 1.42 0.02 83.00 01:54:01 AM 3 9.01 0.00 2.08 1.09 0.02 87.80 Average: all 17.59 0.00 3.56 1.35 0.05 77.44 Average: 0 22.90 0.00 4.29 1.32 0.04 71.44 Average: 1 21.13 0.00 3.80 1.77 0.06 73.24 Average: 2 11.85 0.00 3.14 1.48 0.06 83.46 Average: 3 14.54 0.00 3.00 0.84 0.06 81.56