---> uname -a: Linux prd-centos7-docker-4c-2g-2115.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 613 70 16 1153 1024 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:fd:0f:c1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.235/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fefd:fc1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9f:c8:a5:37 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::42:9fff:fec8:a537/64 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:11 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 116.43 30.48 85.95 6301.42 21478.06 01:53:01 AM 109.12 58.53 50.59 5097.12 7238.67 01:54:01 AM 119.56 24.49 95.07 1527.01 12840.73 Average: 115.03 37.87 77.16 4298.56 13813.84 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 71308 1810248 96.21 2620 1145616 1265108 43.18 588520 1000792 90512 01:53:01 AM 94656 1786900 94.97 2620 1098736 1186728 40.50 665308 933048 58428 01:54:01 AM 100500 1781056 94.66 2596 1079708 1129276 38.54 639528 905720 38784 Average: 88821 1792735 95.28 2612 1108020 1193704 40.74 631119 946520 62575 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 617.09 409.55 3232.96 61.70 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 veth632795d 30.31 37.56 2.41 298.75 0.00 0.00 0.00 01:52:01 AM docker0 30.31 37.42 1.99 298.74 0.00 0.00 0.00 01:53:01 AM eth0 444.81 311.52 919.71 956.26 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 30.44 17.28 113.53 6.20 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 362.85 245.30 1412.95 342.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.00 12.35 0.66 98.57 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:11 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 14.05 0.00 4.84 1.93 0.10 79.09 01:52:01 AM 0 9.59 0.00 4.22 3.08 0.09 83.03 01:52:01 AM 1 12.91 0.00 4.96 2.79 0.10 79.23 01:52:01 AM 2 17.24 0.00 5.05 0.45 0.10 77.16 01:52:01 AM 3 16.40 0.00 5.07 1.39 0.12 77.02 01:53:01 AM all 18.49 0.00 2.84 2.10 0.04 76.54 01:53:01 AM 0 15.88 0.00 2.18 1.64 0.03 80.28 01:53:01 AM 1 18.03 0.00 3.16 2.66 0.03 76.12 01:53:01 AM 2 21.14 0.00 2.88 1.51 0.03 74.44 01:53:01 AM 3 18.90 0.00 3.14 2.59 0.05 75.32 01:54:01 AM all 15.01 0.00 3.62 1.76 0.03 79.58 01:54:01 AM 0 19.36 0.00 3.16 1.77 0.02 75.69 01:54:01 AM 1 10.82 0.00 2.90 1.83 0.05 84.41 01:54:01 AM 2 18.09 0.00 4.78 1.69 0.02 75.43 01:54:01 AM 3 11.77 0.00 3.63 1.75 0.02 82.84 Average: all 15.86 0.00 3.75 1.93 0.06 78.40 Average: 0 14.99 0.00 3.18 2.15 0.05 79.63 Average: 1 13.92 0.00 3.66 2.42 0.06 79.93 Average: 2 18.84 0.00 4.23 1.22 0.05 75.66 Average: 3 15.69 0.00 3.94 1.91 0.06 78.40