---> uname -a: Linux prd-centos7-docker-4c-2g-1874.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 7.3G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 531 84 16 1221 1109 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:0e:ec:04 brd ff:ff:ff:ff:ff:ff inet 10.30.122.154/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86179sec preferred_lft 86179sec inet6 fe80::f816:3eff:fe0e:ec04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:17:8b:db 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) 12:56:01 AM LINUX RESTART 12:57:01 AM tps rtps wtps bread/s bwrtn/s 12:58:01 AM 89.12 54.26 34.86 4683.13 3409.67 12:59:01 AM 93.59 23.13 70.47 1494.58 10064.56 Average: 91.36 38.69 52.66 3088.85 6737.11 12:57:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:58:01 AM 90140 1791416 95.21 2620 1221796 1075836 36.72 423452 1197312 36952 12:59:01 AM 108188 1773368 94.25 2620 1167560 1054476 35.99 420688 1136884 43696 Average: 99164 1782392 94.73 2620 1194678 1065156 36.35 422070 1167098 40324 12:57:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:58:01 AM eth0 97.20 65.04 854.19 12.06 0.00 0.00 0.00 12:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 AM eth0 15.42 9.38 24.48 5.73 0.00 0.00 0.00 12:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 56.31 37.21 439.33 8.90 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) 12:56:01 AM LINUX RESTART 12:57:01 AM CPU %user %nice %system %iowait %steal %idle 12:58:01 AM all 15.15 0.00 1.64 1.44 2.16 79.61 12:58:01 AM 0 45.08 0.00 2.98 2.10 2.90 46.94 12:58:01 AM 1 4.15 0.00 1.35 2.59 1.87 90.04 12:58:01 AM 2 9.26 0.00 1.42 0.22 1.73 87.38 12:58:01 AM 3 4.71 0.00 0.91 0.88 2.21 91.29 12:59:01 AM all 13.83 0.00 2.82 1.71 3.33 78.31 12:59:01 AM 0 11.82 0.00 2.80 1.57 2.73 81.08 12:59:01 AM 1 16.51 0.00 3.47 1.44 4.15 74.42 12:59:01 AM 2 12.07 0.00 2.63 2.23 3.75 79.32 12:59:01 AM 3 14.89 0.00 2.39 1.60 2.68 78.44 Average: all 14.49 0.00 2.23 1.57 2.75 78.96 Average: 0 27.95 0.00 2.89 1.82 2.82 64.52 Average: 1 10.29 0.00 2.40 2.02 3.00 82.29 Average: 2 10.67 0.00 2.03 1.23 2.74 83.34 Average: 3 9.72 0.00 1.64 1.24 2.44 84.96