---> uname -a: Linux prd-centos7-docker-4c-2g-4510.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 608 70 16 1159 1030 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:e7:87:4f brd ff:ff:ff:ff:ff:ff inet 10.30.123.133/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fee7:874f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:d3:ab:de 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:d1ff:fed3:abde/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) 10/10/2020 _x86_64_ (4 CPU) 01:49:13 AM LINUX RESTART 01:50:01 AM tps rtps wtps bread/s bwrtn/s 01:51:01 AM 15.83 3.66 12.17 534.71 4137.31 01:52:01 AM 130.97 32.23 98.74 6572.41 21997.95 01:53:01 AM 110.76 66.35 44.41 6392.01 5720.96 01:54:01 AM 102.60 20.21 82.39 903.88 10969.80 Average: 90.04 30.61 59.43 3600.88 10707.65 01:50:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 AM 63980 1817576 96.60 2620 1311636 1045168 35.67 479160 1182624 95460 01:52:01 AM 105800 1775756 94.38 2620 1158164 1190532 40.63 542468 1015504 39560 01:53:01 AM 96104 1785452 94.89 2620 1102776 1154704 39.41 651376 943508 75436 01:54:01 AM 78624 1802932 95.82 2596 1088708 1138436 38.85 660568 906876 42808 Average: 86127 1795429 95.42 2614 1165321 1132210 38.64 583393 1012128 63316 01:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 AM eth0 711.69 557.08 2722.76 60.91 0.00 0.00 0.00 01:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM eth0 424.71 343.57 1500.31 265.88 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM veth47cebff 52.44 60.99 3.93 295.43 0.00 0.00 0.00 01:52:01 AM docker0 52.44 60.86 3.21 295.42 0.00 0.00 0.00 01:53:01 AM eth0 389.86 290.09 873.99 747.97 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 29.23 20.64 117.14 7.32 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 388.88 302.85 1303.58 270.50 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.11 15.22 0.80 73.88 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) 10/10/2020 _x86_64_ (4 CPU) 01:49:13 AM LINUX RESTART 01:50:01 AM CPU %user %nice %system %iowait %steal %idle 01:51:01 AM all 6.08 0.00 1.84 0.34 0.00 91.74 01:51:01 AM 0 6.35 0.00 2.87 0.32 0.02 90.44 01:51:01 AM 1 5.89 0.00 1.57 0.79 0.02 91.74 01:51:01 AM 2 6.06 0.00 1.29 0.05 0.00 92.60 01:51:01 AM 3 6.07 0.00 1.62 0.20 0.00 92.11 01:52:01 AM all 15.39 0.00 4.37 2.31 0.02 77.91 01:52:01 AM 0 11.75 0.00 4.01 3.77 0.02 80.46 01:52:01 AM 1 20.63 0.00 4.52 2.26 0.00 72.58 01:52:01 AM 2 9.27 0.00 3.44 1.34 0.02 85.93 01:52:01 AM 3 19.89 0.00 5.52 1.90 0.02 72.67 01:53:01 AM all 15.67 0.00 2.72 1.93 0.01 79.66 01:53:01 AM 0 36.19 0.00 4.82 1.84 0.02 57.14 01:53:01 AM 1 3.18 0.00 1.41 3.00 0.02 92.40 01:53:01 AM 2 12.92 0.00 3.29 1.86 0.02 81.91 01:53:01 AM 3 10.57 0.00 1.38 1.01 0.02 87.03 01:54:01 AM all 13.77 0.00 3.26 2.25 0.01 80.72 01:54:01 AM 0 23.05 0.00 4.28 2.31 0.00 70.36 01:54:01 AM 1 5.11 0.00 1.57 1.07 0.02 92.23 01:54:01 AM 2 16.71 0.00 4.13 2.17 0.00 76.99 01:54:01 AM 3 10.18 0.00 3.10 3.47 0.00 83.25 Average: all 12.73 0.00 3.05 1.71 0.01 82.51 Average: 0 19.38 0.00 4.00 2.06 0.01 74.54 Average: 1 8.70 0.00 2.27 1.78 0.01 87.24 Average: 2 11.24 0.00 3.03 1.36 0.01 84.36 Average: 3 11.65 0.00 2.90 1.64 0.01 83.80