---> uname -a: Linux prd-centos7-docker-4c-2g-1887.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: 2933.436 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/0 tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 544 69 16 1223 1096 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:97:ba:6a brd ff:ff:ff:ff:ff:ff inet 10.30.123.173/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86213sec preferred_lft 86213sec inet6 fe80::f816:3eff:fe97:ba6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f6:e2:e0:0e 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) 01:00:28 AM LINUX RESTART 01:01:01 AM tps rtps wtps bread/s bwrtn/s 01:02:01 AM 111.03 80.24 30.79 7522.95 4260.88 01:03:01 AM 102.45 12.79 89.66 948.63 11455.40 Average: 106.74 46.53 60.21 4237.16 7856.64 01:01:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:02:01 AM 73120 1808436 96.11 2620 1262316 1070576 36.54 408204 1233456 52344 01:03:01 AM 156136 1725420 91.70 2620 1129292 1060048 36.18 401488 1108224 51176 Average: 114628 1766928 93.91 2620 1195804 1065312 36.36 404846 1170840 51760 01:01:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:02:01 AM eth0 331.10 193.71 1150.25 46.97 0.00 0.00 0.00 01:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 AM eth0 43.12 31.78 285.65 5.77 0.00 0.00 0.00 01:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 187.17 112.78 718.13 26.38 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) 01:00:28 AM LINUX RESTART 01:01:01 AM CPU %user %nice %system %iowait %steal %idle 01:02:01 AM all 19.09 0.00 5.16 2.28 0.16 73.32 01:02:01 AM 0 29.23 0.00 7.03 1.96 0.14 61.65 01:02:01 AM 1 12.51 0.00 4.64 2.85 0.20 79.78 01:02:01 AM 2 20.38 0.00 4.78 2.34 0.10 72.40 01:02:01 AM 3 14.37 0.00 4.23 1.96 0.19 79.24 01:03:01 AM all 15.74 0.00 3.22 1.52 0.36 79.15 01:03:01 AM 0 8.78 0.00 2.15 1.35 0.30 87.41 01:03:01 AM 1 19.06 0.00 2.32 2.07 0.42 76.12 01:03:01 AM 2 9.93 0.00 2.68 1.33 0.37 85.69 01:03:01 AM 3 25.35 0.00 5.74 1.37 0.36 67.18 Average: all 17.41 0.00 4.19 1.90 0.26 76.24 Average: 0 18.91 0.00 4.57 1.65 0.22 74.65 Average: 1 15.78 0.00 3.49 2.46 0.31 77.96 Average: 2 15.14 0.00 3.72 1.83 0.24 79.07 Average: 3 19.83 0.00 4.98 1.67 0.27 73.24