---> uname -a: Linux prd-centos7-docker-4c-2g-2889.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 600 70 16 1166 1038 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:6b:36:bd brd ff:ff:ff:ff:ff:ff inet 10.30.123.98/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86170sec preferred_lft 86170sec inet6 fe80::f816:3eff:fe6b:36bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:53:8d:b6:67 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::42:53ff:fe8d:b667/64 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) 10/01/2020 _x86_64_ (4 CPU) 10:23:13 PM LINUX RESTART 10:24:01 PM tps rtps wtps bread/s bwrtn/s 10:25:02 PM 137.18 32.90 104.28 6559.36 25641.22 10:26:01 PM 111.52 60.41 51.12 5366.50 6613.69 10:27:01 PM 91.73 18.13 73.60 698.65 9138.89 Average: 113.49 37.02 76.47 4202.16 13838.13 10:24:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:25:02 PM 230284 1651272 87.76 2620 1026340 1118116 38.16 568984 874044 20 10:26:01 PM 106432 1775124 94.34 2596 1097504 1157536 39.50 647584 927300 13720 10:27:01 PM 74308 1807248 96.05 2596 1104316 1132984 38.67 661616 904232 52024 Average: 137008 1744548 92.72 2604 1076053 1136212 38.78 626061 901859 21921 10:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:25:02 PM eth0 747.18 515.54 2591.29 994.49 0.00 0.00 0.00 10:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:02 PM docker0 19.37 32.05 1.43 293.69 0.00 0.00 0.00 10:26:01 PM eth0 118.02 81.76 874.85 13.21 0.00 0.00 0.00 10:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:27:01 PM eth0 33.18 21.86 128.58 8.14 0.00 0.00 0.00 10:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 300.49 207.10 1200.15 340.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.49 10.74 0.48 98.45 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) 10/01/2020 _x86_64_ (4 CPU) 10:23:13 PM LINUX RESTART 10:24:01 PM CPU %user %nice %system %iowait %steal %idle 10:25:02 PM all 17.81 0.00 5.52 2.19 0.03 74.45 10:25:02 PM 0 23.05 0.00 8.35 3.56 0.03 65.01 10:25:02 PM 1 15.06 0.00 4.73 1.78 0.03 78.39 10:25:02 PM 2 18.25 0.00 5.44 2.89 0.03 73.39 10:25:02 PM 3 14.97 0.00 3.62 0.52 0.03 80.86 10:26:01 PM all 17.22 0.00 2.57 2.29 0.05 77.87 10:26:01 PM 0 45.96 0.00 5.25 1.72 0.07 47.00 10:26:01 PM 1 4.69 0.00 1.49 3.38 0.05 90.39 10:26:01 PM 2 11.85 0.00 2.28 0.70 0.03 85.13 10:26:01 PM 3 6.66 0.00 1.28 3.35 0.07 88.65 10:27:01 PM all 16.83 0.00 3.53 1.05 0.02 78.58 10:27:01 PM 0 23.75 0.00 4.01 0.25 0.03 71.95 10:27:01 PM 1 15.13 0.00 4.03 1.92 0.02 78.90 10:27:01 PM 2 8.12 0.00 1.89 0.90 0.00 89.08 10:27:01 PM 3 20.36 0.00 4.16 1.12 0.03 74.33 Average: all 17.28 0.00 3.87 1.84 0.04 76.97 Average: 0 30.85 0.00 5.87 1.84 0.05 61.40 Average: 1 11.66 0.00 3.42 2.36 0.03 82.53 Average: 2 12.73 0.00 3.20 1.50 0.02 82.55 Average: 3 14.03 0.00 3.03 1.66 0.04 81.24