---> uname -a: Linux prd-centos7-docker-4c-2g-4514.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 611 68 16 1157 1027 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:f3:e0:d3 brd ff:ff:ff:ff:ff:ff inet 10.30.123.27/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fef3:e0d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:10:e0:fc 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::42:1cff:fe10:e0fc/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) 01:50:45 AM LINUX RESTART 01:52:01 AM tps rtps wtps bread/s bwrtn/s 01:53:01 AM 128.67 32.83 95.84 7659.10 24986.47 01:54:01 AM 111.47 64.26 47.20 5835.29 6626.03 01:55:01 AM 103.60 20.09 83.50 841.02 10398.58 Average: 114.58 39.06 75.52 4779.01 14005.12 01:52:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 AM 75304 1806252 96.00 2620 1152112 1210392 41.31 594912 995288 41668 01:54:01 AM 96972 1784584 94.85 2596 1108644 1157364 39.50 640792 952212 67892 01:55:01 AM 79664 1801892 95.77 2596 1080548 1152588 39.34 659184 902560 40308 Average: 83980 1797576 95.54 2604 1113768 1173448 40.05 631629 950020 49956 01:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 AM eth0 417.47 295.57 1471.74 426.37 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 veth9d95078 26.41 32.51 2.14 293.52 0.00 0.00 0.00 01:53:01 AM docker0 26.41 32.38 1.78 293.51 0.00 0.00 0.00 01:54:01 AM eth0 289.61 206.31 861.36 596.18 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 01:55:01 AM eth0 33.61 24.37 120.01 7.89 0.00 0.00 0.00 01:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 246.93 175.44 817.82 343.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.80 10.80 0.59 97.86 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) 01:50:45 AM LINUX RESTART 01:52:01 AM CPU %user %nice %system %iowait %steal %idle 01:53:01 AM all 16.47 0.00 4.57 2.43 0.07 76.46 01:53:01 AM 0 19.59 0.00 4.44 2.31 0.03 73.63 01:53:01 AM 1 13.88 0.00 4.20 0.64 0.10 81.18 01:53:01 AM 2 19.09 0.00 5.10 4.12 0.08 71.61 01:53:01 AM 3 13.36 0.00 4.53 2.67 0.03 79.40 01:54:01 AM all 16.31 0.00 2.78 1.88 0.03 78.99 01:54:01 AM 0 33.25 0.00 3.82 1.03 0.05 61.85 01:54:01 AM 1 5.70 0.00 2.18 1.12 0.02 90.99 01:54:01 AM 2 20.02 0.00 3.77 4.31 0.03 71.86 01:54:01 AM 3 6.68 0.00 1.34 1.06 0.03 90.89 01:55:01 AM all 14.47 0.00 3.27 1.59 0.03 80.64 01:55:01 AM 0 28.76 0.00 5.89 1.74 0.03 63.58 01:55:01 AM 1 7.15 0.00 1.95 1.11 0.03 89.77 01:55:01 AM 2 15.68 0.00 3.75 1.64 0.03 78.90 01:55:01 AM 3 6.48 0.00 1.56 1.91 0.02 90.03 Average: all 15.75 0.00 3.54 1.97 0.04 78.70 Average: 0 27.18 0.00 4.72 1.69 0.04 66.36 Average: 1 8.90 0.00 2.77 0.96 0.05 87.32 Average: 2 18.26 0.00 4.21 3.36 0.05 74.13 Average: 3 8.82 0.00 2.47 1.88 0.03 86.80