---> uname -a: Linux prd-centos7-docker-4c-2g-1851.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: 2933.442 BogoMIPS: 5866.88 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 7.0G 44G 14% / tmpfs 184M 0 184M 0% /run/user/1001 tmpfs 184M 0 184M 0% /run/user/0 ---> free -m: total used free shared buff/cache available Mem: 1837 629 72 16 1135 1010 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:13:05:c5 brd ff:ff:ff:ff:ff:ff inet 10.30.123.53/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85521sec preferred_lft 85521sec inet6 fe80::f816:3eff:fe13:5c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7a:fe:53:d2 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::42:7aff:fefe:53d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (prd-centos7-docker-4c-2g-1851.vexxhost.local) 09/29/2020 _x86_64_ (4 CPU) 12:00:02 AM tps rtps wtps bread/s bwrtn/s 12:01:01 AM 95.82 17.91 77.91 1378.43 10568.31 Average: 95.82 17.91 77.91 1378.43 10568.31 12:00:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:01:01 AM 162052 1719504 91.39 2620 1048648 1083740 36.99 467284 1033436 86112 Average: 162052 1719504 91.39 2620 1048648 1083740 36.99 467284 1033436 86112 12:00:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:01:01 AM eth0 39.56 33.45 346.46 5.16 0.00 0.00 0.00 12:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.56 33.45 346.46 5.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (prd-centos7-docker-4c-2g-1851.vexxhost.local) 09/29/2020 _x86_64_ (4 CPU) 12:00:02 AM CPU %user %nice %system %iowait %steal %idle 12:01:01 AM all 15.91 0.00 3.13 1.36 0.03 79.57 12:01:01 AM 0 12.12 0.00 2.12 0.29 0.00 85.47 12:01:01 AM 1 25.93 0.00 5.03 2.03 0.03 66.97 12:01:01 AM 2 5.44 0.00 1.30 1.06 0.02 92.19 12:01:01 AM 3 20.31 0.00 4.11 2.06 0.03 73.48 Average: all 15.91 0.00 3.13 1.36 0.03 79.57 Average: 0 12.12 0.00 2.12 0.29 0.00 85.47 Average: 1 25.93 0.00 5.03 2.03 0.03 66.97 Average: 2 5.44 0.00 1.30 1.06 0.02 92.19 Average: 3 20.31 0.00 4.11 2.06 0.03 73.48