---> uname -a: Linux prd-centos7-docker-4c-2g-4115.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 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 579 71 16 1186 1059 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:a2:0d:9b brd ff:ff:ff:ff:ff:ff inet 10.30.122.26/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fea2:d9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:43:73:c6:e7 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::42:43ff:fe73:c6e7/64 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) 10/08/2020 _x86_64_ (4 CPU) 04:26:32 AM LINUX RESTART 04:27:03 AM tps rtps wtps bread/s bwrtn/s 04:28:01 AM 195.73 69.53 126.20 9766.22 59339.13 04:29:01 AM 144.46 98.68 45.78 10576.59 6543.02 04:30:01 AM 82.21 8.69 73.52 812.52 10725.27 Average: 140.19 58.85 81.34 7021.27 25159.46 04:27:03 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:28:01 AM 126096 1755460 93.30 2620 1113696 1272788 43.44 570892 991624 58180 04:29:01 AM 77880 1803676 95.86 2596 1175668 1145620 39.10 676252 948580 19692 04:30:01 AM 182108 1699448 90.32 2368 1067404 1080980 36.89 612384 867008 66896 Average: 128695 1752861 93.16 2528 1118923 1166463 39.81 619843 935737 48256 04:27:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:28:01 AM eth0 1058.96 797.87 4575.31 115.67 0.00 0.00 0.00 04:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:28:01 AM vethcf88a7b 26.46 36.08 2.15 287.98 0.00 0.00 0.00 04:28:01 AM docker0 26.46 35.94 1.79 287.96 0.00 0.00 0.00 04:29:01 AM eth0 1284.63 856.48 366.34 3715.42 0.00 0.00 0.00 04:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:29:01 AM docker0 1.58 2.11 0.09 15.54 0.00 0.00 0.00 04:30:01 AM eth0 77.26 57.69 714.96 6.92 0.00 0.00 0.00 04:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 804.11 568.13 1855.59 1292.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.16 12.43 0.61 99.09 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) 10/08/2020 _x86_64_ (4 CPU) 04:26:32 AM LINUX RESTART 04:27:03 AM CPU %user %nice %system %iowait %steal %idle 04:28:01 AM all 23.39 0.00 10.05 4.15 0.04 62.37 04:28:01 AM 0 21.72 0.00 11.64 4.38 0.04 62.22 04:28:01 AM 1 26.94 0.00 10.00 6.76 0.04 56.26 04:28:01 AM 2 19.63 0.00 10.23 3.91 0.05 66.18 04:28:01 AM 3 25.23 0.00 8.35 1.56 0.04 64.83 04:29:01 AM all 18.84 0.00 4.53 2.75 0.04 73.84 04:29:01 AM 0 13.89 0.00 4.97 0.93 0.05 80.16 04:29:01 AM 1 16.78 0.00 4.04 1.79 0.03 77.36 04:29:01 AM 2 22.43 0.00 5.24 4.49 0.03 67.80 04:29:01 AM 3 22.20 0.00 3.89 3.79 0.03 70.09 04:30:01 AM all 16.48 0.00 3.06 0.96 0.01 79.48 04:30:01 AM 0 29.94 0.00 3.21 0.84 0.02 65.99 04:30:01 AM 1 16.08 0.00 4.43 1.69 0.03 77.76 04:30:01 AM 2 11.35 0.00 2.76 0.74 0.02 85.14 04:30:01 AM 3 8.60 0.00 1.85 0.54 0.02 89.00 Average: all 19.52 0.00 5.82 2.60 0.03 72.03 Average: 0 21.91 0.00 6.54 2.02 0.03 69.49 Average: 1 19.84 0.00 6.11 3.37 0.03 70.65 Average: 2 17.75 0.00 6.02 3.03 0.03 73.17 Average: 3 18.58 0.00 4.64 1.96 0.03 74.79