---> uname -a: Linux prd-centos7-docker-4c-2g-4512.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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 617 72 16 1148 1021 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:60:30:7a brd ff:ff:ff:ff:ff:ff inet 10.30.122.58/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe60:307a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:12:bf:62:4d 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::42:12ff:febf:624d/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) 01:50:09 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 100.54 27.45 73.09 6177.25 18756.33 01:53:01 AM 123.86 70.90 52.95 6426.24 7424.52 01:54:01 AM 85.60 6.09 79.51 743.67 11263.31 01:55:01 AM 103.71 26.22 77.49 1186.08 8062.18 Average: 103.44 32.69 70.75 3622.78 11346.05 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 148568 1732988 92.10 2620 1130460 1239580 42.30 517376 1042004 2880 01:53:01 AM 81192 1800364 95.68 2620 1147020 1173444 40.05 620996 994808 22404 01:54:01 AM 74784 1806772 96.03 2596 1085496 1169904 39.93 692012 894656 41952 01:55:01 AM 95108 1786448 94.95 2596 1062320 1129132 38.54 666820 859816 9856 Average: 99913 1781643 94.69 2608 1106324 1178015 40.20 624301 947821 19273 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM veth007713f 0.00 0.19 0.00 0.02 0.00 0.00 0.00 01:52:01 AM eth0 1097.34 785.68 4260.33 104.21 0.00 0.00 0.00 01:52:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 01:53:01 AM eth0 423.86 308.21 492.86 969.07 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 49.79 56.85 3.00 295.21 0.00 0.00 0.00 01:54:01 AM eth0 64.59 49.84 709.80 6.58 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 38.62 28.42 131.05 9.63 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 314.49 247.39 1248.46 263.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.50 14.29 0.75 74.11 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) 01:50:09 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 7.57 0.00 3.27 1.95 0.21 87.00 01:52:01 AM 0 5.92 0.00 3.25 0.80 0.19 89.84 01:52:01 AM 1 9.30 0.00 4.00 3.98 0.31 82.41 01:52:01 AM 2 6.73 0.00 2.50 1.32 0.17 89.29 01:52:01 AM 3 8.32 0.00 3.35 1.67 0.17 86.49 01:53:01 AM all 17.26 0.00 3.72 1.85 0.05 77.12 01:53:01 AM 0 13.47 0.00 3.26 0.53 0.05 82.69 01:53:01 AM 1 15.15 0.00 2.91 1.63 0.03 80.27 01:53:01 AM 2 28.30 0.00 5.10 3.74 0.03 62.83 01:53:01 AM 3 12.16 0.00 3.63 1.54 0.05 82.62 01:54:01 AM all 16.34 0.00 2.87 0.77 0.05 79.97 01:54:01 AM 0 24.27 0.00 2.87 2.20 0.08 70.58 01:54:01 AM 1 8.24 0.00 1.83 0.10 0.07 89.76 01:54:01 AM 2 19.08 0.00 3.60 0.49 0.05 76.78 01:54:01 AM 3 13.84 0.00 3.19 0.27 0.03 82.68 01:55:01 AM all 16.05 0.00 3.43 2.91 0.10 77.51 01:55:01 AM 0 28.54 0.00 4.12 6.42 0.07 60.85 01:55:01 AM 1 6.23 0.00 1.93 1.51 0.17 90.16 01:55:01 AM 2 16.45 0.00 4.35 2.19 0.08 76.92 01:55:01 AM 3 13.12 0.00 3.36 1.55 0.07 81.90 Average: all 14.33 0.00 3.32 1.87 0.10 80.37 Average: 0 18.12 0.00 3.37 2.50 0.10 75.91 Average: 1 9.73 0.00 2.66 1.80 0.14 85.67 Average: 2 17.66 0.00 3.89 1.93 0.08 76.43 Average: 3 11.87 0.00 3.38 1.26 0.08 83.41