---> uname -a: Linux prd-centos7-docker-4c-2g-1779.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 602 68 16 1165 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:47:6d:a5 brd ff:ff:ff:ff:ff:ff inet 10.30.122.72/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86176sec preferred_lft 86176sec inet6 fe80::f816:3eff:fe47:6da5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:80:b2:d1 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::42:72ff:fe80:b2d1/64 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) 09/28/2020 _x86_64_ (4 CPU) 01:49:39 PM LINUX RESTART 01:51:01 PM tps rtps wtps bread/s bwrtn/s 01:52:01 PM 116.96 61.10 55.86 5143.94 7917.42 01:53:01 PM 111.12 27.21 83.92 1680.05 10802.71 Average: 114.02 44.02 70.00 3397.75 9371.93 01:51:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 PM 82556 1799000 95.61 2620 1149920 1141428 38.95 651820 965048 49768 01:53:01 PM 82344 1799212 95.62 2596 1105768 1121444 38.27 653300 916720 90184 Average: 82450 1799106 95.62 2608 1127844 1131436 38.61 652560 940884 69976 01:51:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 PM eth0 418.43 294.79 696.46 984.70 0.00 0.00 0.00 01:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 PM docker0 5.47 8.55 0.40 71.94 0.00 0.00 0.00 01:53:01 PM eth0 44.71 32.63 310.38 8.03 0.00 0.00 0.00 01:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 230.03 162.63 501.83 492.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.71 4.24 0.20 35.67 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) 09/28/2020 _x86_64_ (4 CPU) 01:49:39 PM LINUX RESTART 01:51:01 PM CPU %user %nice %system %iowait %steal %idle 01:52:01 PM all 17.52 0.00 3.49 1.95 0.02 77.02 01:52:01 PM 0 24.18 0.00 3.69 2.19 0.02 69.92 01:52:01 PM 1 16.25 0.00 2.95 2.05 0.03 78.72 01:52:01 PM 2 14.97 0.00 4.52 2.28 0.00 78.24 01:52:01 PM 3 14.71 0.00 2.79 1.30 0.02 81.19 01:53:01 PM all 15.87 0.00 3.33 1.59 0.02 79.20 01:53:01 PM 0 25.19 0.00 3.81 0.96 0.02 70.03 01:53:01 PM 1 17.38 0.00 3.71 0.54 0.02 78.35 01:53:01 PM 2 12.29 0.00 3.83 2.25 0.02 81.61 01:53:01 PM 3 8.69 0.00 1.98 2.58 0.02 86.73 Average: all 16.69 0.00 3.41 1.77 0.02 78.12 Average: 0 24.69 0.00 3.75 1.57 0.02 69.98 Average: 1 16.82 0.00 3.33 1.29 0.03 78.54 Average: 2 13.62 0.00 4.17 2.27 0.01 79.94 Average: 3 11.67 0.00 2.38 1.95 0.02 83.99