---> uname -a: Linux prd-centos7-docker-4c-2g-1892.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 7.2G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 505 75 16 1256 1134 Swap: 1023 0 1023 ---> 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:da:16:7c brd ff:ff:ff:ff:ff:ff inet 10.30.122.48/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86219sec preferred_lft 86219sec inet6 fe80::f816:3eff:feda:167c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f1:42:e6:77 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 ---> 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) 01:01:12 AM LINUX RESTART 01:02:01 AM tps rtps wtps bread/s bwrtn/s 01:03:02 AM 80.28 52.25 28.03 4936.75 4041.08 01:04:01 AM 103.34 24.09 79.24 1532.01 10416.51 Average: 91.71 38.29 53.42 3248.81 7201.77 01:02:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:03:02 AM 72632 1808924 96.14 2620 1249572 1062372 36.26 430088 1205728 86284 01:04:01 AM 77740 1803816 95.87 2620 1215124 1029760 35.14 411844 1159500 73032 Average: 75186 1806370 96.00 2620 1232348 1046066 35.70 420966 1182614 79658 01:02:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:03:02 AM eth0 139.90 110.50 863.95 28.00 0.00 0.00 0.00 01:03:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 AM eth0 28.98 18.22 114.01 7.04 0.00 0.00 0.00 01:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 84.91 64.75 492.16 17.61 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 01:01:12 AM LINUX RESTART 01:02:01 AM CPU %user %nice %system %iowait %steal %idle 01:03:02 AM all 15.07 0.00 2.14 1.54 0.07 81.17 01:03:02 AM 0 21.92 0.00 3.00 0.86 0.05 74.18 01:03:02 AM 1 6.17 0.00 1.29 1.24 0.07 91.24 01:03:02 AM 2 15.18 0.00 2.10 0.34 0.07 82.32 01:03:02 AM 3 17.08 0.00 2.22 3.76 0.10 76.84 01:04:01 AM all 16.17 0.00 3.84 1.98 0.05 77.96 01:04:01 AM 0 13.29 0.00 2.35 1.89 0.07 82.41 01:04:01 AM 1 15.13 0.00 4.25 1.69 0.07 78.86 01:04:01 AM 2 18.44 0.00 4.76 2.87 0.03 73.90 01:04:01 AM 3 17.86 0.00 4.01 1.44 0.03 76.65 Average: all 15.62 0.00 2.99 1.76 0.06 79.58 Average: 0 17.63 0.00 2.67 1.37 0.06 78.27 Average: 1 10.60 0.00 2.75 1.46 0.07 85.12 Average: 2 16.79 0.00 3.42 1.59 0.05 78.15 Average: 3 17.47 0.00 3.11 2.61 0.07 76.75