---> uname -a: Linux prd-centos7-docker-4c-2g-1682.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: 2933.436 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 604 88 16 1144 1034 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:ad:1c:04 brd ff:ff:ff:ff:ff:ff inet 10.30.123.122/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86168sec preferred_lft 86168sec inet6 fe80::f816:3eff:fead:1c04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:21:3f:85:18 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:fe3f:8518/64 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) 09/27/2020 _x86_64_ (4 CPU) 06:10:08 PM LINUX RESTART 06:11:01 PM tps rtps wtps bread/s bwrtn/s 06:12:01 PM 129.80 32.63 97.17 6346.36 24145.66 06:13:01 PM 115.20 62.17 53.03 5524.37 8034.39 06:14:01 PM 100.87 20.48 80.39 858.47 8886.23 Average: 115.29 38.42 76.87 4243.48 13690.19 06:11:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:12:01 PM 77316 1804240 95.89 2620 1132444 1397688 47.70 658260 933760 39060 06:13:01 PM 77976 1803580 95.86 2596 1122816 1150996 39.28 663360 941048 61888 06:14:01 PM 85108 1796448 95.48 2596 1074496 1152008 39.32 671972 886500 73216 Average: 80133 1801423 95.74 2604 1109919 1233564 42.10 664531 920436 58055 06:11:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:12:01 PM eth0 835.07 541.61 2496.17 993.22 0.00 0.00 0.00 06:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 PM vethd2f8dff 20.47 30.98 1.78 293.62 0.00 0.00 0.00 06:12:01 PM docker0 20.47 30.85 1.50 293.61 0.00 0.00 0.00 06:13:01 PM eth0 99.33 73.14 825.58 12.69 0.00 0.00 0.00 06:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 PM eth0 37.09 25.04 133.05 10.57 0.00 0.00 0.00 06:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 323.91 213.31 1151.81 338.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.82 10.29 0.50 97.90 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) 09/27/2020 _x86_64_ (4 CPU) 06:10:08 PM LINUX RESTART 06:11:01 PM CPU %user %nice %system %iowait %steal %idle 06:12:01 PM all 16.99 0.00 5.04 2.11 0.08 75.77 06:12:01 PM 0 18.82 0.00 5.40 0.51 0.07 75.20 06:12:01 PM 1 10.32 0.00 4.09 4.85 0.08 80.65 06:12:01 PM 2 27.45 0.00 6.41 2.22 0.07 63.86 06:12:01 PM 3 11.47 0.00 4.30 0.85 0.07 83.31 06:13:01 PM all 15.85 0.00 2.79 1.82 0.03 79.51 06:13:01 PM 0 27.51 0.00 3.52 0.68 0.03 68.26 06:13:01 PM 1 18.47 0.00 2.76 1.88 0.03 76.86 06:13:01 PM 2 11.62 0.00 3.19 2.27 0.03 82.88 06:13:01 PM 3 5.94 0.00 1.73 2.43 0.05 89.84 06:14:01 PM all 15.93 0.00 3.29 2.11 0.04 78.62 06:14:01 PM 0 21.16 0.00 3.70 2.09 0.03 73.02 06:14:01 PM 1 13.82 0.00 3.93 1.25 0.03 80.97 06:14:01 PM 2 20.62 0.00 3.14 1.48 0.05 74.72 06:14:01 PM 3 8.21 0.00 2.37 3.62 0.03 85.77 Average: all 16.25 0.00 3.71 2.01 0.05 77.97 Average: 0 22.51 0.00 4.20 1.10 0.05 72.15 Average: 1 14.20 0.00 3.59 2.66 0.05 79.50 Average: 2 19.86 0.00 4.24 1.99 0.05 73.87 Average: 3 8.53 0.00 2.80 2.30 0.05 86.32