---> uname -a: Linux prd-centos7-docker-4c-2g-1904.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 599 72 16 1165 1038 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:5e:89:70 brd ff:ff:ff:ff:ff:ff inet 10.30.122.247/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86172sec preferred_lft 86172sec inet6 fe80::f816:3eff:fe5e:8970/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:e8:b8:f0 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:c7ff:fee8:b8f0/64 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) 09/29/2020 _x86_64_ (4 CPU) 01:22:03 AM LINUX RESTART 01:23:01 AM tps rtps wtps bread/s bwrtn/s 01:24:01 AM 166.27 82.83 83.44 8626.93 16085.42 01:25:02 AM 82.60 6.13 76.48 747.00 10999.70 01:26:01 AM 92.85 21.81 71.05 925.16 6923.23 Average: 114.03 37.01 77.02 3447.74 11361.52 01:23:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 AM 113168 1768388 93.99 2620 1139100 1126968 38.46 587956 988088 11384 01:25:02 AM 73472 1808084 96.10 2596 1107572 1153576 39.37 673860 915380 24204 01:26:01 AM 78892 1802664 95.81 2596 1090616 1128020 38.50 679388 873888 69476 Average: 88511 1793045 95.30 2604 1112429 1136188 38.78 647068 925785 35021 01:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:24:01 AM eth0 528.19 358.58 1161.61 978.44 0.00 0.00 0.00 01:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 AM docker0 23.75 34.63 1.65 293.83 0.00 0.00 0.00 01:25:02 AM eth0 107.41 70.48 822.23 8.66 0.00 0.00 0.00 01:25:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM eth0 33.27 22.94 130.73 8.31 0.00 0.00 0.00 01:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 224.06 151.41 708.14 333.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.96 11.61 0.55 98.52 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) 09/29/2020 _x86_64_ (4 CPU) 01:22:03 AM LINUX RESTART 01:23:01 AM CPU %user %nice %system %iowait %steal %idle 01:24:01 AM all 16.18 0.00 4.92 2.96 0.15 75.79 01:24:01 AM 0 21.36 0.00 4.96 2.33 0.14 71.22 01:24:01 AM 1 10.03 0.00 3.33 1.23 0.15 85.26 01:24:01 AM 2 21.02 0.00 6.52 3.19 0.14 69.14 01:24:01 AM 3 12.39 0.00 4.88 5.10 0.17 77.47 01:25:02 AM all 17.20 0.00 2.59 0.91 0.03 79.28 01:25:02 AM 0 48.43 0.00 5.07 1.64 0.03 44.82 01:25:02 AM 1 4.42 0.00 1.44 0.07 0.03 94.04 01:25:02 AM 2 14.20 0.00 3.05 1.60 0.02 81.13 01:25:02 AM 3 2.43 0.00 0.87 0.33 0.03 96.33 01:26:01 AM all 16.11 0.00 3.17 1.57 0.03 79.12 01:26:01 AM 0 21.25 0.00 3.28 0.26 0.03 75.17 01:26:01 AM 1 11.39 0.00 3.20 2.00 0.03 83.37 01:26:01 AM 2 17.60 0.00 3.11 2.24 0.05 77.00 01:26:01 AM 3 14.18 0.00 3.12 1.80 0.03 80.86 Average: all 16.50 0.00 3.56 1.81 0.07 78.06 Average: 0 30.34 0.00 4.44 1.41 0.07 63.73 Average: 1 8.59 0.00 2.65 1.09 0.07 87.59 Average: 2 17.59 0.00 4.22 2.34 0.07 75.78 Average: 3 9.61 0.00 2.95 2.40 0.08 84.96