---> uname -a: Linux prd-centos7-docker-4c-2g-2110.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 602 73 16 1160 1035 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:7d:0c:9c brd ff:ff:ff:ff:ff:ff inet 10.30.122.11/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe7d:c9c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:fc:6c:ac 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:deff:fefc:6cac/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) 01:49:29 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 144.89 58.82 86.08 9168.60 22716.53 01:52:02 AM 121.09 61.95 59.14 5204.39 7488.48 01:53:01 AM 97.88 13.47 84.42 966.90 11266.73 Average: 121.42 44.92 76.50 5136.87 13839.88 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 95368 1786188 94.93 2620 1157504 1264136 43.14 591644 1005828 54060 01:52:02 AM 121968 1759588 93.52 2620 1103020 1176808 40.16 626288 948476 40224 01:53:01 AM 141640 1739916 92.47 2596 1054232 1135688 38.76 606696 904556 73696 Average: 119659 1761897 93.64 2612 1104919 1192211 40.69 608209 952953 55993 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM veth79004bc 46.51 53.76 3.37 224.91 0.00 0.00 0.00 01:51:01 AM eth0 984.38 718.60 4373.45 115.10 0.00 0.00 0.00 01:51:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 AM docker0 46.51 53.63 2.73 224.90 0.00 0.00 0.00 01:52:02 AM eth0 399.97 270.44 517.52 954.54 0.00 0.00 0.00 01:52:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 AM docker0 9.39 11.42 0.60 71.29 0.00 0.00 0.00 01:53:01 AM eth0 50.46 37.77 505.04 5.16 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 Average: eth0 473.40 340.73 1791.86 359.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.74 21.81 1.12 99.30 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) 01:49:29 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 22.28 0.00 8.31 3.20 0.27 65.94 01:51:01 AM 0 23.14 0.00 8.90 2.26 0.28 65.42 01:51:01 AM 1 20.78 0.00 7.51 4.05 0.24 67.43 01:51:01 AM 2 20.82 0.00 7.96 5.44 0.26 65.52 01:51:01 AM 3 24.41 0.00 8.94 1.03 0.31 65.31 01:52:02 AM all 17.67 0.00 3.61 1.93 0.11 76.68 01:52:02 AM 0 22.65 0.00 4.09 1.42 0.12 71.72 01:52:02 AM 1 7.20 0.00 1.68 0.72 0.15 90.24 01:52:02 AM 2 20.45 0.00 4.41 4.51 0.10 70.53 01:52:02 AM 3 20.50 0.00 4.26 1.07 0.07 74.10 01:53:01 AM all 16.01 0.00 3.09 1.74 0.03 79.13 01:53:01 AM 0 22.10 0.00 3.36 3.02 0.02 71.50 01:53:01 AM 1 17.46 0.00 3.20 2.99 0.03 76.31 01:53:01 AM 2 11.40 0.00 2.88 0.27 0.03 85.42 01:53:01 AM 3 13.10 0.00 2.92 0.65 0.03 83.28 Average: all 18.65 0.00 5.00 2.29 0.14 73.92 Average: 0 22.63 0.00 5.44 2.23 0.14 69.56 Average: 1 15.11 0.00 4.12 2.58 0.14 78.05 Average: 2 17.57 0.00 5.09 3.42 0.13 73.80 Average: 3 19.35 0.00 5.37 0.92 0.14 74.22