---> uname -a: Linux prd-centos7-docker-4c-2g-1918.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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 605 76 16 1154 1033 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:5b:ff:e1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.49/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fe5b:ffe1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:73:1a:fd 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::42:21ff:fe73:1afd/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) 09/29/2020 _x86_64_ (4 CPU) 01:49:21 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 142.05 36.36 105.69 7154.79 25310.95 01:52:01 AM 110.20 65.07 45.13 6115.89 5900.43 01:53:01 AM 112.19 20.76 91.43 864.46 12855.00 Average: 121.37 40.76 80.61 4698.65 14630.34 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 89232 1792324 95.26 2620 1101336 1280200 43.69 538040 1043768 79716 01:52:01 AM 100872 1780684 94.64 2596 1082924 1196268 40.83 630964 962504 59016 01:53:01 AM 87624 1793932 95.34 2596 1102624 1115884 38.08 610724 948736 30344 Average: 92576 1788980 95.08 2604 1095628 1197451 40.87 593243 985003 56359 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM veth4c98c1f 25.43 38.43 2.11 298.94 0.00 0.00 0.00 01:51:01 AM eth0 1085.82 714.48 4564.96 138.95 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 25.43 38.29 1.76 298.93 0.00 0.00 0.00 01:52:01 AM eth0 429.36 290.48 923.87 937.70 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 29.07 20.03 112.44 6.59 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 456.83 312.93 1747.75 357.71 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.38 12.62 0.58 98.55 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) 09/29/2020 _x86_64_ (4 CPU) 01:49:21 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 20.01 0.00 6.46 2.85 0.07 70.61 01:51:01 AM 0 17.51 0.00 6.28 1.66 0.09 74.47 01:51:01 AM 1 29.38 0.00 7.23 2.15 0.09 61.16 01:51:01 AM 2 14.65 0.00 5.86 3.40 0.05 76.04 01:51:01 AM 3 18.48 0.00 6.45 4.20 0.07 70.80 01:52:01 AM all 17.93 0.00 2.87 2.09 0.03 77.08 01:52:01 AM 0 38.91 0.00 4.71 6.00 0.02 50.37 01:52:01 AM 1 9.90 0.00 2.37 0.25 0.07 87.41 01:52:01 AM 2 12.53 0.00 2.60 1.12 0.03 83.71 01:52:01 AM 3 10.56 0.00 1.84 1.01 0.02 86.58 01:53:01 AM all 15.37 0.00 3.79 1.70 0.02 79.12 01:53:01 AM 0 16.08 0.00 3.00 1.57 0.02 79.33 01:53:01 AM 1 17.02 0.00 4.81 2.24 0.02 75.91 01:53:01 AM 2 8.61 0.00 2.42 1.34 0.02 87.61 01:53:01 AM 3 19.76 0.00 4.93 1.63 0.02 73.66 Average: all 17.75 0.00 4.36 2.21 0.04 75.64 Average: 0 24.17 0.00 4.64 3.08 0.04 68.06 Average: 1 18.69 0.00 4.78 1.54 0.06 74.93 Average: 2 11.91 0.00 3.61 1.94 0.03 82.51 Average: 3 16.26 0.00 4.39 2.27 0.03 77.05