---> uname -a: Linux prd-centos7-docker-4c-2g-1922.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: 2933.436 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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 589 70 16 1177 1048 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:cb:4d:6a brd ff:ff:ff:ff:ff:ff inet 10.30.122.109/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fecb:4d6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:78:1a:35 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::42:13ff:fe78:1a35/64 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) 09/29/2020 _x86_64_ (4 CPU) 01:50:17 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:02 AM 118.79 33.65 85.14 6605.43 22375.04 01:53:01 AM 115.17 59.97 55.20 5092.76 7228.86 01:54:01 AM 86.80 13.53 73.26 953.95 10745.60 Average: 106.87 35.58 71.29 4212.81 13485.19 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 AM 99624 1781932 94.71 2620 1147728 1254772 42.82 571844 1014004 61140 01:53:01 AM 93108 1788448 95.05 2620 1144652 1177720 40.19 627604 975060 40960 01:54:01 AM 141136 1740420 92.50 2596 1073012 1128476 38.51 614184 897460 77292 Average: 111289 1770267 94.09 2612 1121797 1186989 40.51 604544 962175 59797 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 AM veth04fd308 20.85 36.11 1.79 293.95 0.00 0.00 0.00 01:52:02 AM eth0 1038.21 760.11 4459.08 123.27 0.00 0.00 0.00 01:52:02 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:02 AM docker0 20.85 35.98 1.50 293.94 0.00 0.00 0.00 01:53:01 AM eth0 413.93 287.24 462.19 970.39 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 0.10 0.07 0.00 0.01 0.00 0.00 0.00 01:54:01 AM eth0 77.24 59.93 489.18 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 445.46 331.25 1635.41 353.09 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.02 12.08 0.50 98.54 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) 09/29/2020 _x86_64_ (4 CPU) 01:50:17 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:02 AM all 12.98 0.00 4.19 2.56 0.76 79.50 01:52:02 AM 0 8.70 0.00 3.81 0.55 0.69 86.26 01:52:02 AM 1 11.75 0.00 3.80 3.68 0.80 79.97 01:52:02 AM 2 14.87 0.00 5.05 3.59 0.71 75.78 01:52:02 AM 3 16.55 0.00 4.10 2.41 0.85 76.09 01:53:01 AM all 15.98 0.00 2.69 1.67 0.25 79.41 01:53:01 AM 0 32.01 0.00 4.58 1.73 0.28 61.40 01:53:01 AM 1 9.66 0.00 1.67 1.44 0.26 86.98 01:53:01 AM 2 11.01 0.00 2.36 2.96 0.21 83.47 01:53:01 AM 3 11.66 0.00 2.20 0.53 0.24 85.36 01:54:01 AM all 16.01 0.00 2.56 1.29 0.10 80.04 01:54:01 AM 0 27.01 0.00 2.85 2.22 0.14 67.78 01:54:01 AM 1 8.13 0.00 1.85 1.06 0.07 88.90 01:54:01 AM 2 12.32 0.00 2.29 0.27 0.08 85.03 01:54:01 AM 3 16.76 0.00 3.24 1.63 0.14 78.23 Average: all 14.99 0.00 3.15 1.84 0.37 79.65 Average: 0 22.51 0.00 3.74 1.50 0.37 71.88 Average: 1 9.84 0.00 2.44 2.06 0.37 85.29 Average: 2 12.73 0.00 3.23 2.27 0.33 81.43 Average: 3 15.00 0.00 3.19 1.53 0.41 79.87