---> uname -a: Linux 1c40b891497e 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual 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: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 Available Use% Mounted on overlay 50.0G 7.9G 42.1G 16% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 678 127 0 1032 1060 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN 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 8: eth0@if9: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 08/31/20 _x86_64_ (4 CPU) 23:44:42 LINUX RESTART 23:46:01 tps rtps wtps bread/s bwrtn/s 23:47:01 9.90 3.38 6.52 694.88 1309.43 23:48:01 1.47 0.00 1.47 0.00 23.27 23:49:01 0.27 0.00 0.27 0.00 3.63 23:50:01 0.25 0.00 0.25 0.00 2.83 23:51:01 0.27 0.00 0.27 0.00 3.35 23:52:01 215.90 131.33 84.57 5666.12 30594.25 Average: 38.04 22.47 15.57 1061.09 5327.47 23:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:47:01 228152 1653404 87.87 2620 1092264 1137656 38.83 418420 1075948 8 23:48:01 240040 1641516 87.24 2620 1092268 1059656 36.16 412172 1071808 8 23:49:01 239500 1642056 87.27 2620 1092276 1059848 36.17 413332 1071808 8 23:50:01 237164 1644392 87.40 2620 1092276 1059836 36.17 427908 1058828 8 23:51:01 235508 1646048 87.48 2620 1092280 1059908 36.17 430652 1058200 8 23:52:01 86204 1795352 95.42 2620 1109128 1420988 48.50 530220 1063956 5696 Average: 211095 1670461 88.78 2620 1095082 1132982 38.67 438784 1066758 956 23:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:47:01 eth0 159.51 133.08 340.30 332.86 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 74.68 75.37 7.44 300.19 0.00 0.00 0.00 23:48:01 eth0 0.82 0.10 0.07 0.07 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 eth0 1.05 0.45 0.31 0.21 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 1.81 0.45 0.45 0.12 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.63 0.43 0.40 0.36 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 vethf3366fd 24.05 22.53 2.69 74.34 0.00 0.00 0.00 23:52:01 eth0 590.17 415.98 5526.10 423.30 0.00 0.00 0.00 23:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:52:01 docker0 98.72 97.80 9.80 374.47 0.00 0.00 0.00 Average: vethf3366fd 4.01 3.76 0.45 12.40 0.00 0.00 0.00 Average: eth0 98.45 69.39 921.83 70.61 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.47 16.31 1.63 62.47 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) 08/31/20 _x86_64_ (4 CPU) 23:44:42 LINUX RESTART 23:46:01 CPU %user %nice %system %iowait %steal %idle 23:47:01 all 2.93 0.00 1.36 0.11 7.98 87.63 23:47:01 0 2.04 0.00 1.52 0.21 9.23 87.00 23:47:01 1 3.56 0.00 1.35 0.11 7.89 87.09 23:47:01 2 4.04 0.00 1.56 0.03 7.73 86.63 23:47:01 3 2.11 0.00 1.04 0.08 7.04 89.72 23:48:01 all 0.13 0.00 0.05 0.00 0.17 99.65 23:48:01 0 0.03 0.00 0.05 0.00 0.10 99.82 23:48:01 1 0.38 0.00 0.05 0.00 0.17 99.40 23:48:01 2 0.05 0.00 0.03 0.00 0.30 99.62 23:48:01 3 0.05 0.00 0.05 0.00 0.10 99.80 23:49:01 all 0.12 0.00 0.03 0.00 0.16 99.69 23:49:01 0 0.03 0.00 0.02 0.00 0.07 99.88 23:49:01 1 0.02 0.00 0.02 0.00 0.13 99.83 23:49:01 2 0.40 0.00 0.07 0.00 0.28 99.25 23:49:01 3 0.03 0.00 0.03 0.00 0.17 99.77 23:50:01 all 0.14 0.00 0.05 0.00 0.18 99.63 23:50:01 0 0.03 0.00 0.08 0.00 0.12 99.77 23:50:01 1 0.07 0.00 0.07 0.00 0.22 99.65 23:50:01 2 0.43 0.00 0.02 0.00 0.28 99.27 23:50:01 3 0.02 0.00 0.02 0.00 0.12 99.85 23:51:01 all 0.14 0.00 0.07 0.00 0.03 99.76 23:51:01 0 0.02 0.00 0.12 0.00 0.03 99.83 23:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:51:01 2 0.40 0.00 0.07 0.00 0.05 99.48 23:51:01 3 0.08 0.00 0.05 0.00 0.05 99.82 23:52:01 all 5.14 0.00 3.22 1.13 7.21 83.30 23:52:01 0 5.06 0.00 3.65 1.56 7.39 82.32 23:52:01 1 5.31 0.00 3.44 0.50 7.96 82.78 23:52:01 2 5.64 0.00 3.20 1.49 6.87 82.80 23:52:01 3 4.57 0.00 2.57 0.95 6.61 85.30 Average: all 1.43 0.00 0.79 0.20 2.63 94.95 Average: 0 1.19 0.00 0.90 0.29 2.84 94.77 Average: 1 1.56 0.00 0.82 0.10 2.74 94.77 Average: 2 1.82 0.00 0.81 0.25 2.58 94.54 Average: 3 1.14 0.00 0.62 0.17 2.35 95.71