---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1944 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 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: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K 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 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.7G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 554 11759 0 3725 15155 Swap: 1023 0 1023 ---> 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2a:f2:e5 brd ff:ff:ff:ff:ff:ff inet 10.30.106.117/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe2a:f2e5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1944) 11/09/26 _x86_64_ (4 CPU) 08:32:59 LINUX RESTART (4 CPU) 08:33:01 tps rtps wtps bread/s bwrtn/s 08:34:01 345.96 64.01 281.95 4374.74 110968.97 08:35:01 171.39 43.08 128.31 2539.58 18442.79 08:36:01 51.08 3.12 47.97 119.29 5309.56 08:37:01 161.86 2.62 159.25 72.91 19679.31 08:38:01 28.26 3.55 24.71 156.64 9514.95 Average: 151.71 23.27 128.44 1452.54 32781.76 08:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:34:01 13917556 15562388 2507412 15.27 62276 1782788 812232 4.65 649944 1641636 175136 08:35:01 12544152 14624940 3880816 23.63 78156 2185516 1572640 9.00 1683904 1943512 17320 08:36:01 9060316 11328956 7364652 44.84 82672 2355816 4833396 27.66 4964884 2112308 40616 08:37:01 11194296 14151548 5230672 31.85 93700 2972136 1928532 11.04 2420456 2464864 107496 08:38:01 12030192 15505524 4394776 26.76 96040 3472304 823260 4.71 1383308 2656428 352300 Average: 11749302 14234671 4675666 28.47 82569 2553712 1994012 11.41 2220499 2163750 138574 08:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:34:01 lo 1.87 1.87 0.20 0.20 0.00 0.00 0.00 0.00 08:34:01 ens3 324.30 237.94 1903.25 74.08 0.00 0.00 0.00 0.00 08:35:01 lo 0.33 0.33 0.04 0.04 0.00 0.00 0.00 0.00 08:35:01 ens3 407.60 304.00 2907.26 84.96 0.00 0.00 0.00 0.00 08:36:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:36:01 ens3 0.50 0.48 0.13 0.28 0.00 0.00 0.00 0.00 08:37:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:37:01 ens3 302.02 223.99 1750.40 782.29 0.00 0.00 0.00 0.00 08:38:01 lo 2.02 2.02 13.58 13.58 0.00 0.00 0.00 0.00 08:38:01 ens3 246.33 160.32 310.23 2494.81 0.00 0.00 0.00 0.00 Average: lo 0.90 0.90 2.77 2.77 0.00 0.00 0.00 0.00 Average: ens3 256.14 185.34 1374.22 687.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1944) 11/09/26 _x86_64_ (4 CPU) 08:32:59 LINUX RESTART (4 CPU) 08:33:01 CPU %user %nice %system %iowait %steal %idle 08:34:01 all 19.36 0.00 2.41 5.01 0.01 73.22 08:34:01 0 19.25 0.00 3.49 4.24 0.02 73.01 08:34:01 1 10.85 0.00 1.64 6.87 0.00 80.64 08:34:01 2 15.66 0.00 1.81 7.30 0.02 75.21 08:34:01 3 31.63 0.00 2.70 1.62 0.00 64.05 08:35:01 all 51.22 0.00 1.95 1.05 0.02 45.76 08:35:01 0 45.78 0.00 1.94 1.47 0.00 50.81 08:35:01 1 49.52 0.00 1.08 0.63 0.02 48.74 08:35:01 2 56.23 0.00 1.89 1.81 0.02 40.05 08:35:01 3 53.36 0.00 2.85 0.32 0.02 43.45 08:36:01 all 53.50 0.00 1.20 0.23 0.02 45.05 08:36:01 0 48.00 0.00 1.15 0.28 0.02 50.54 08:36:01 1 71.45 0.00 1.52 0.05 0.02 26.96 08:36:01 2 51.90 0.00 1.10 0.13 0.02 46.85 08:36:01 3 42.77 0.00 1.04 0.43 0.02 55.74 08:37:01 all 55.93 0.00 2.50 0.44 0.01 41.13 08:37:01 0 51.29 0.00 2.32 1.32 0.00 45.07 08:37:01 1 74.09 0.00 3.41 0.05 0.00 22.45 08:37:01 2 57.65 0.00 2.44 0.38 0.03 39.49 08:37:01 3 40.81 0.00 1.83 0.02 0.00 57.34 08:38:01 all 49.43 0.00 2.27 0.20 0.02 48.08 08:38:01 0 41.87 0.00 2.71 0.50 0.02 54.90 08:38:01 1 51.09 0.00 1.69 0.03 0.03 47.16 08:38:01 2 51.43 0.00 2.09 0.18 0.02 46.28 08:38:01 3 53.29 0.00 2.60 0.10 0.02 44.00 Average: all 45.91 0.00 2.06 1.38 0.01 50.63 Average: 0 41.25 0.00 2.32 1.56 0.01 54.86 Average: 1 51.42 0.00 1.87 1.52 0.01 45.17 Average: 2 46.59 0.00 1.87 1.96 0.02 49.57 Average: 3 44.36 0.00 2.20 0.50 0.01 52.93