---> uname -a: Linux prd-centos7-docker-4c-2g-1722.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 605 73 16 1158 1032 Swap: 1023 2 1021 ---> 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:83:91:62 brd ff:ff:ff:ff:ff:ff inet 10.30.123.154/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe83:9162/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2b:4f:b8:7b 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::42:2bff:fe4f:b87b/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) 09/28/2020 _x86_64_ (4 CPU) 03:21:42 AM LINUX RESTART 03:23:01 AM tps rtps wtps bread/s bwrtn/s 03:24:01 AM 118.69 57.65 61.05 5113.90 14994.56 03:25:01 AM 89.71 13.32 76.39 1030.80 9506.33 03:26:02 AM 94.49 22.87 71.62 1018.81 8537.95 Average: 100.96 31.27 69.69 2386.17 11009.93 03:23:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:24:01 AM 73296 1808260 96.10 2620 1201376 1128272 38.51 710564 916252 37348 03:25:01 AM 76168 1805388 95.95 2596 1113716 1156564 39.47 687372 899500 99968 03:26:02 AM 85372 1796184 95.46 2320 1073832 1137492 38.82 677132 864916 73552 Average: 78279 1803277 95.84 2512 1129641 1140776 38.93 691689 893556 70289 03:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:24:01 AM eth0 1469.69 882.05 3802.24 1037.59 0.00 0.00 0.00 03:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 AM docker0 5.76 8.87 0.41 70.71 0.00 0.00 0.00 03:25:01 AM eth0 91.04 63.98 815.40 9.33 0.00 0.00 0.00 03:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:02 AM eth0 30.75 21.71 128.59 8.73 0.00 0.00 0.00 03:26:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 529.88 322.21 1580.30 351.46 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.92 2.95 0.14 23.54 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) 09/28/2020 _x86_64_ (4 CPU) 03:21:42 AM LINUX RESTART 03:23:01 AM CPU %user %nice %system %iowait %steal %idle 03:24:01 AM all 16.42 0.00 4.67 1.62 0.03 77.26 03:24:01 AM 0 14.90 0.00 6.11 1.34 0.03 77.62 03:24:01 AM 1 15.52 0.00 3.70 1.88 0.02 78.88 03:24:01 AM 2 11.89 0.00 3.91 1.21 0.03 82.96 03:24:01 AM 3 23.36 0.00 4.95 2.04 0.03 69.63 03:25:01 AM all 17.15 0.00 2.93 1.75 0.01 78.16 03:25:01 AM 0 28.93 0.00 4.67 1.98 0.00 64.42 03:25:01 AM 1 8.91 0.00 2.04 1.92 0.02 87.10 03:25:01 AM 2 13.81 0.00 2.45 1.51 0.02 82.22 03:25:01 AM 3 16.92 0.00 2.57 1.60 0.02 78.89 03:26:02 AM all 16.25 0.00 3.36 1.79 0.01 78.58 03:26:02 AM 0 28.97 0.00 4.22 2.15 0.02 64.64 03:26:02 AM 1 11.54 0.00 2.99 1.47 0.00 84.01 03:26:02 AM 2 12.91 0.00 3.25 1.27 0.02 82.56 03:26:02 AM 3 11.61 0.00 3.00 2.28 0.02 83.10 Average: all 16.61 0.00 3.65 1.72 0.02 78.00 Average: 0 24.32 0.00 5.00 1.83 0.02 68.84 Average: 1 11.99 0.00 2.91 1.76 0.01 83.34 Average: 2 12.87 0.00 3.20 1.33 0.02 82.58 Average: 3 17.29 0.00 3.50 1.97 0.02 77.22