---> uname -a: Linux prd-centos7-docker-4c-2g-3256.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 568 68 16 1200 1070 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:23:c2:02 brd ff:ff:ff:ff:ff:ff inet 10.30.122.216/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe23:c202/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:be:05:57:0a 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:beff:fe05:570a/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) 10/04/2020 _x86_64_ (4 CPU) 12:07:03 AM LINUX RESTART 12:08:01 AM tps rtps wtps bread/s bwrtn/s 12:09:01 AM 128.23 45.73 82.50 10941.27 15032.41 12:10:01 AM 112.55 63.52 49.03 5917.31 22325.10 12:11:01 AM 101.58 10.35 91.23 931.85 12389.06 12:12:01 AM 105.09 26.35 78.75 1341.81 8467.89 Average: 111.87 36.49 75.38 4783.99 14553.77 12:08:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:09:01 AM 85684 1795872 95.45 2620 1155900 1218136 41.57 576268 1009576 39560 12:10:01 AM 102944 1778612 94.53 2596 1170796 1115448 38.07 821672 774444 54720 12:11:01 AM 83348 1798208 95.57 2160 1115528 1129596 38.55 717332 856216 57924 12:12:01 AM 88044 1793512 95.32 1688 1111108 1091672 37.26 665328 855680 11328 Average: 90005 1791551 95.22 2266 1138333 1138713 38.86 695150 873979 40883 12:08:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:09:01 AM veth09fbcd9 18.63 31.54 1.66 293.61 0.00 0.00 0.00 12:09:01 AM eth0 1912.03 1127.47 4616.01 2411.61 0.00 0.00 0.00 12:09:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 12:09:01 AM docker0 18.63 31.41 1.40 293.60 0.00 0.00 0.00 12:10:01 AM eth0 4247.94 2641.00 6830.31 1671.77 0.00 0.00 0.00 12:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 AM eth0 83.39 59.13 746.36 16.35 0.00 0.00 0.00 12:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 AM eth0 46.01 32.17 134.25 28.20 0.00 0.00 0.00 12:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1350.17 836.84 2253.19 1015.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.66 7.86 0.35 73.43 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) 10/04/2020 _x86_64_ (4 CPU) 12:07:03 AM LINUX RESTART 12:08:01 AM CPU %user %nice %system %iowait %steal %idle 12:09:01 AM all 19.00 0.00 5.33 2.57 0.09 73.01 12:09:01 AM 0 17.13 0.00 5.21 1.82 0.12 75.72 12:09:01 AM 1 11.92 0.00 4.20 5.57 0.08 78.23 12:09:01 AM 2 31.39 0.00 6.96 0.90 0.08 60.67 12:09:01 AM 3 15.56 0.00 4.96 1.94 0.10 77.45 12:10:01 AM all 18.63 0.00 6.54 1.69 0.09 73.05 12:10:01 AM 0 18.98 0.00 8.55 0.98 0.07 71.42 12:10:01 AM 1 14.75 0.00 6.64 2.44 0.12 76.06 12:10:01 AM 2 26.36 0.00 6.15 1.33 0.08 66.08 12:10:01 AM 3 14.46 0.00 4.85 2.01 0.10 78.58 12:11:01 AM all 17.32 0.00 3.04 1.09 0.03 78.53 12:11:01 AM 0 37.56 0.00 5.23 2.33 0.03 54.85 12:11:01 AM 1 8.10 0.00 1.61 0.22 0.02 90.06 12:11:01 AM 2 16.17 0.00 3.30 1.41 0.03 79.09 12:11:01 AM 3 7.64 0.00 2.00 0.39 0.02 89.95 12:12:01 AM all 15.76 0.00 3.42 2.71 0.03 78.08 12:12:01 AM 0 21.10 0.00 3.21 2.89 0.02 72.78 12:12:01 AM 1 12.97 0.00 3.16 2.19 0.03 81.65 12:12:01 AM 2 9.32 0.00 2.87 3.41 0.02 84.38 12:12:01 AM 3 19.69 0.00 4.48 2.36 0.03 73.43 Average: all 17.67 0.00 4.57 2.01 0.06 75.69 Average: 0 23.75 0.00 5.52 2.01 0.06 68.66 Average: 1 11.92 0.00 3.89 2.60 0.06 81.53 Average: 2 20.77 0.00 4.81 1.77 0.05 72.60 Average: 3 14.33 0.00 4.07 1.67 0.06 79.87