---> uname -a: Linux prd-centos7-docker-4c-2g-3106.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 7.4G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 574 72 16 1190 1063 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:0b:cc:c8 brd ff:ff:ff:ff:ff:ff inet 10.30.122.78/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86218sec preferred_lft 86218sec inet6 fe80::f816:3eff:fe0b:ccc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:09:3c:71 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::42:8aff:fe09:3c71/64 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) 10/02/2020 _x86_64_ (4 CPU) 10:12:19 PM LINUX RESTART 10:13:01 PM tps rtps wtps bread/s bwrtn/s 10:14:01 PM 134.04 66.27 67.77 6839.89 12025.52 10:15:01 PM 110.09 23.86 86.23 1539.25 11488.01 Average: 122.07 45.07 77.00 4190.01 11756.81 10:13:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:14:01 PM 89204 1792352 95.26 2620 1195420 1106580 37.77 452484 1157384 52452 10:15:01 PM 95028 1786528 94.95 2620 1137228 1131324 38.61 483900 1066728 88664 Average: 92116 1789440 95.10 2620 1166324 1118952 38.19 468192 1112056 70558 10:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:14:01 PM eth0 176.48 120.68 1055.40 25.07 0.00 0.00 0.00 10:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 PM docker0 28.32 36.12 1.88 294.09 0.00 0.00 0.00 10:15:01 PM eth0 61.30 48.49 302.72 57.92 0.00 0.00 0.00 10:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 118.90 84.59 679.12 41.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.16 18.07 0.94 147.07 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) 10/02/2020 _x86_64_ (4 CPU) 10:12:19 PM LINUX RESTART 10:13:01 PM CPU %user %nice %system %iowait %steal %idle 10:14:01 PM all 15.71 0.00 3.33 2.86 0.02 78.08 10:14:01 PM 0 35.84 0.00 4.82 4.70 0.02 54.63 10:14:01 PM 1 6.33 0.00 2.24 1.25 0.03 90.14 10:14:01 PM 2 12.04 0.00 3.33 4.05 0.02 80.55 10:14:01 PM 3 8.70 0.00 2.97 1.41 0.02 86.91 10:15:01 PM all 17.08 0.00 2.71 2.16 0.01 78.04 10:15:01 PM 0 21.04 0.00 2.04 1.00 0.00 75.91 10:15:01 PM 1 17.36 0.00 3.84 1.70 0.00 77.10 10:15:01 PM 2 15.20 0.00 2.33 1.93 0.00 80.55 10:15:01 PM 3 14.73 0.00 2.61 4.04 0.02 78.60 Average: all 16.40 0.00 3.02 2.51 0.01 78.06 Average: 0 28.43 0.00 3.43 2.85 0.01 65.29 Average: 1 11.84 0.00 3.04 1.48 0.02 83.62 Average: 2 13.62 0.00 2.83 2.99 0.01 80.55 Average: 3 11.71 0.00 2.79 2.72 0.02 82.76