---> uname -a: Linux prd-centos7-docker-4c-2g-2113.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 598 65 16 1173 1039 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:a6:16:f2 brd ff:ff:ff:ff:ff:ff inet 10.30.122.29/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fea6:16f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bf:9f:0d:18 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:bfff:fe9f:d18/64 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) 09/30/2020 _x86_64_ (4 CPU) 01:49:58 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 121.51 31.23 90.28 6117.67 22437.30 01:53:01 AM 109.72 62.40 47.32 5905.19 6647.14 01:54:01 AM 105.86 17.64 88.22 681.23 12582.49 Average: 112.37 37.09 75.27 4234.91 13889.93 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 126752 1754804 93.26 2620 1166140 1195852 40.81 491764 1050404 104804 01:53:01 AM 112440 1769116 94.02 2620 1103844 1160188 39.60 633192 948064 62628 01:54:01 AM 109608 1771948 94.17 2596 1098800 1099424 37.52 598168 935992 30692 Average: 116267 1765289 93.82 2612 1122928 1151821 39.31 574375 978153 66041 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 625.71 499.02 3159.03 58.49 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 vetha4f7d32 35.71 41.08 2.75 294.23 0.00 0.00 0.00 01:52:01 AM docker0 35.71 40.95 2.26 294.22 0.00 0.00 0.00 01:53:01 AM eth0 442.44 302.43 921.15 972.76 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 27.58 17.03 111.97 6.75 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 365.27 272.85 1397.58 345.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.91 13.65 0.76 98.09 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) 09/30/2020 _x86_64_ (4 CPU) 01:49:58 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 14.56 0.00 4.66 1.82 0.14 78.82 01:52:01 AM 0 26.30 0.00 6.31 0.83 0.14 66.42 01:52:01 AM 1 14.16 0.00 4.39 1.57 0.12 79.76 01:52:01 AM 2 8.14 0.00 3.53 0.66 0.17 87.51 01:52:01 AM 3 9.91 0.00 4.43 4.21 0.15 81.29 01:53:01 AM all 18.52 0.00 2.94 1.44 0.11 76.99 01:53:01 AM 0 40.21 0.00 4.53 0.72 0.10 54.43 01:53:01 AM 1 5.42 0.00 2.10 2.15 0.10 90.23 01:53:01 AM 2 18.02 0.00 3.36 2.29 0.12 76.20 01:53:01 AM 3 10.99 0.00 1.85 0.55 0.10 86.51 01:54:01 AM all 13.87 0.00 3.48 1.79 0.05 80.80 01:54:01 AM 0 14.49 0.00 3.11 1.37 0.03 81.01 01:54:01 AM 1 19.63 0.00 5.35 1.54 0.07 73.41 01:54:01 AM 2 8.35 0.00 2.42 2.44 0.03 86.76 01:54:01 AM 3 13.07 0.00 3.04 1.82 0.05 82.02 Average: all 15.65 0.00 3.69 1.68 0.10 78.87 Average: 0 26.91 0.00 4.64 0.98 0.09 67.38 Average: 1 13.05 0.00 3.94 1.75 0.10 81.16 Average: 2 11.49 0.00 3.10 1.80 0.11 83.51 Average: 3 11.32 0.00 3.10 2.19 0.10 83.28