---> uname -a: Linux prd-centos7-docker-4c-2g-3219.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: 2933.442 BogoMIPS: 5866.88 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 551 76 16 1209 1089 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:b9:eb:84 brd ff:ff:ff:ff:ff:ff inet 10.30.122.172/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86221sec preferred_lft 86221sec inet6 fe80::f816:3eff:feb9:eb84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:54:68:dc:a2 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) 10/03/2020 _x86_64_ (4 CPU) 11:53:53 AM LINUX RESTART 11:55:01 AM tps rtps wtps bread/s bwrtn/s 11:56:01 AM 66.58 5.99 60.59 817.98 7876.41 11:57:01 AM 103.68 19.51 84.17 844.75 8191.29 Average: 85.13 12.75 72.38 831.37 8033.86 11:55:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:56:01 AM 73204 1808352 96.11 2620 1204952 1101236 37.58 447436 1166304 86432 11:57:01 AM 72360 1809196 96.15 2620 1156024 1108280 37.82 491004 1082484 104360 Average: 72782 1808774 96.13 2620 1180488 1104758 37.70 469220 1124394 95396 11:55:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:56:01 AM eth0 158.99 134.90 810.59 12.80 0.00 0.00 0.00 11:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:57:01 AM eth0 51.72 40.02 132.60 43.76 0.00 0.00 0.00 11:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 105.35 87.46 471.57 28.28 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) 10/03/2020 _x86_64_ (4 CPU) 11:53:53 AM LINUX RESTART 11:55:01 AM CPU %user %nice %system %iowait %steal %idle 11:56:01 AM all 15.46 0.00 2.41 1.15 0.02 80.96 11:56:01 AM 0 29.42 0.00 2.97 2.14 0.02 65.45 11:56:01 AM 1 7.22 0.00 1.92 1.10 0.02 89.74 11:56:01 AM 2 14.73 0.00 2.04 0.18 0.02 83.03 11:56:01 AM 3 10.60 0.00 2.70 1.16 0.03 85.51 11:57:01 AM all 17.68 0.00 3.54 1.81 0.03 76.94 11:57:01 AM 0 27.26 0.00 4.39 0.98 0.03 67.34 11:57:01 AM 1 17.26 0.00 3.02 2.65 0.03 77.03 11:57:01 AM 2 11.95 0.00 3.71 2.15 0.02 82.18 11:57:01 AM 3 14.31 0.00 3.02 1.48 0.02 81.17 Average: all 16.57 0.00 2.97 1.48 0.02 78.95 Average: 0 28.34 0.00 3.68 1.56 0.03 66.40 Average: 1 12.23 0.00 2.47 1.87 0.03 83.40 Average: 2 13.34 0.00 2.87 1.16 0.02 82.60 Average: 3 12.45 0.00 2.86 1.32 0.03 83.34