---> uname -a: Linux prd-centos7-docker-4c-2g-1679.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: 2933.438 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 612 74 16 1150 1026 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:62:a1:cd brd ff:ff:ff:ff:ff:ff inet 10.30.122.205/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe62:a1cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:29:5d:7b:2e 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::42:29ff:fe5d:7b2e/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) 09/27/2020 _x86_64_ (4 CPU) 05:12:45 PM LINUX RESTART 05:14:01 PM tps rtps wtps bread/s bwrtn/s 05:15:02 PM 92.58 21.97 70.62 2085.80 11521.10 05:16:01 PM 92.77 56.72 36.05 4782.42 3183.40 05:17:01 PM 93.56 26.55 67.01 1644.32 9008.63 Average: 92.97 34.96 58.01 2827.20 7929.72 05:14:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:15:02 PM 245384 1636172 86.96 2620 1009248 1148640 39.20 602020 840944 28 05:16:01 PM 65980 1815576 96.49 2620 1127080 1184808 40.44 674028 952512 44176 05:17:01 PM 101456 1780100 94.61 2596 1086512 1135868 38.77 643224 904004 76276 Average: 137607 1743949 92.69 2612 1074280 1156439 39.47 639757 899153 40160 05:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:15:02 PM eth0 354.89 233.69 389.53 959.49 0.00 0.00 0.00 05:15:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:02 PM docker0 20.80 31.94 1.57 297.96 0.00 0.00 0.00 05:16:01 PM eth0 107.37 71.81 841.49 12.60 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM eth0 13.36 8.42 20.46 4.94 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 158.84 104.83 414.93 327.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.97 10.71 0.53 99.88 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) 09/27/2020 _x86_64_ (4 CPU) 05:12:45 PM LINUX RESTART 05:14:01 PM CPU %user %nice %system %iowait %steal %idle 05:15:02 PM all 15.23 0.00 3.82 0.79 4.61 75.55 05:15:02 PM 0 32.67 0.00 5.26 0.21 5.06 56.79 05:15:02 PM 1 10.37 0.00 3.62 1.11 4.87 80.03 05:15:02 PM 2 8.39 0.00 2.58 0.84 4.30 83.89 05:15:02 PM 3 10.50 0.00 3.89 0.95 4.24 80.43 05:16:01 PM all 15.16 0.00 1.73 1.86 2.67 78.58 05:16:01 PM 0 42.78 0.00 3.78 1.58 3.05 48.81 05:16:01 PM 1 2.75 0.00 0.57 0.74 2.41 93.53 05:16:01 PM 2 15.40 0.00 1.87 1.33 2.41 79.00 05:16:01 PM 3 2.46 0.00 0.92 3.72 2.82 90.08 05:17:01 PM all 14.26 0.00 3.12 1.01 5.00 76.61 05:17:01 PM 0 13.29 0.00 3.06 1.53 5.48 76.64 05:17:01 PM 1 11.31 0.00 2.66 1.03 5.27 79.73 05:17:01 PM 2 18.87 0.00 3.61 1.28 4.48 71.76 05:17:01 PM 3 13.67 0.00 3.16 0.22 4.75 78.20 Average: all 14.88 0.00 2.90 1.21 4.11 76.91 Average: 0 29.00 0.00 4.01 1.11 4.58 61.30 Average: 1 8.16 0.00 2.28 0.96 4.19 84.41 Average: 2 14.18 0.00 2.69 1.14 3.74 78.24 Average: 3 8.86 0.00 2.65 1.63 3.93 82.92