---> uname -a: Linux prd-centos7-docker-4c-2g-3526.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 586 78 16 1172 1051 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:3a:70:f8 brd ff:ff:ff:ff:ff:ff inet 10.30.123.85/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe3a:70f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:da:33:1d:ff 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:daff:fe33:1dff/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) 10/05/2020 _x86_64_ (4 CPU) 10:43:40 PM LINUX RESTART 10:45:01 PM tps rtps wtps bread/s bwrtn/s 10:46:02 PM 75.00 16.82 58.19 1809.27 7750.89 10:47:01 PM 89.82 57.88 31.94 4886.48 14798.22 10:48:01 PM 64.75 7.51 57.25 820.50 8551.14 10:49:01 PM 93.49 21.22 72.27 887.48 7424.12 Average: 80.73 25.72 55.01 2089.49 9609.41 10:45:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:46:02 PM 396480 1485076 78.93 2620 893292 1133704 38.69 441416 839416 24 10:47:01 PM 95836 1785720 94.91 2620 1168976 1168508 39.88 659704 940976 33144 10:48:01 PM 113536 1768020 93.97 2596 1120772 1146544 39.13 680728 888896 24036 10:49:01 PM 91764 1789792 95.12 2596 1110236 1117404 38.13 692640 858080 59304 Average: 174404 1707152 90.73 2608 1073319 1141540 38.96 618622 881842 29127 10:45:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:46:02 PM eth0 278.73 189.06 379.85 945.82 0.00 0.00 0.00 10:46:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:46:02 PM docker0 20.36 33.75 1.51 294.32 0.00 0.00 0.00 10:47:01 PM eth0 743.75 484.79 3731.42 71.44 0.00 0.00 0.00 10:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 PM eth0 98.30 66.82 788.56 8.70 0.00 0.00 0.00 10:48:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 PM eth0 42.38 31.27 119.38 47.23 0.00 0.00 0.00 10:49:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 288.94 191.80 1244.42 269.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.12 8.48 0.38 73.96 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) 10/05/2020 _x86_64_ (4 CPU) 10:43:40 PM LINUX RESTART 10:45:01 PM CPU %user %nice %system %iowait %steal %idle 10:46:02 PM all 15.03 0.00 3.26 0.64 6.89 74.17 10:46:02 PM 0 25.16 0.00 3.52 0.16 7.24 63.92 10:46:02 PM 1 11.52 0.00 3.85 0.95 8.01 75.66 10:46:02 PM 2 12.31 0.00 3.24 0.22 6.35 77.89 10:46:02 PM 3 11.55 0.00 2.40 1.22 5.97 78.86 10:47:01 PM all 8.07 0.00 2.18 1.38 7.15 81.22 10:47:01 PM 0 10.50 0.00 2.66 1.16 7.86 77.82 10:47:01 PM 1 4.99 0.00 1.89 1.01 7.90 84.21 10:47:01 PM 2 8.10 0.00 2.13 2.14 7.34 80.29 10:47:01 PM 3 8.80 0.00 2.07 1.22 5.51 82.40 10:48:01 PM all 16.57 0.00 1.89 0.85 2.49 78.19 10:48:01 PM 0 24.97 0.00 2.48 1.49 2.62 68.43 10:48:01 PM 1 12.64 0.00 1.69 0.58 2.06 83.03 10:48:01 PM 2 13.70 0.00 1.76 0.90 2.66 80.97 10:48:01 PM 3 15.12 0.00 1.62 0.44 2.63 80.18 10:49:01 PM all 16.13 0.00 3.28 0.84 3.50 76.26 10:49:01 PM 0 15.42 0.00 3.42 0.37 4.23 76.55 10:49:01 PM 1 20.15 0.00 3.97 1.15 3.70 71.03 10:49:01 PM 2 15.76 0.00 3.36 0.09 3.18 77.62 10:49:01 PM 3 13.21 0.00 2.35 1.76 2.88 79.81 Average: all 13.96 0.00 2.66 0.93 5.01 77.44 Average: 0 19.03 0.00 3.03 0.79 5.48 71.68 Average: 1 12.30 0.00 2.86 0.92 5.45 78.48 Average: 2 12.47 0.00 2.63 0.83 4.89 79.18 Average: 3 12.17 0.00 2.11 1.16 4.26 80.30