---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-970 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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: 2799.998 BogoMIPS: 5599.99 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 nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 465 5177 0 2332 7227 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:45:0a:b5 brd ff:ff:ff:ff:ff:ff inet 10.32.6.68/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:fe45:ab5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-970) 05/16/26 _x86_64_ (4 CPU) 03:47:56 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:01 162.22 77.80 84.42 4638.96 40621.25 03:50:01 64.54 12.51 52.02 266.36 9032.89 03:51:01 31.79 0.02 31.78 0.13 6530.51 03:52:01 12.83 0.00 12.83 0.00 3605.13 03:53:01 53.04 1.00 52.04 89.29 9146.36 Average: 64.88 18.27 46.62 998.89 13786.92 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:01 6002936 7424764 2164476 26.50 36644 1565372 682116 7.40 573232 1428452 88344 03:50:01 5641264 7296544 2526148 30.93 56532 1763536 873980 9.48 723020 1609272 116832 03:51:01 5514824 7243928 2652588 32.48 58808 1833188 890604 9.66 777336 1677624 1664 03:52:01 5389096 7221532 2778316 34.02 60444 1932496 890604 9.66 799412 1775400 2056 03:53:01 5283848 7379396 2883564 35.31 66320 2183764 710612 7.71 665460 2003452 28052 Average: 5566394 7313233 2601018 31.85 55750 1855671 809583 8.78 707692 1698840 47390 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 03:49:01 ens3 445.54 255.41 1509.55 68.15 0.00 0.00 0.00 0.00 03:50:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 03:50:01 ens3 61.32 52.46 458.16 12.62 0.00 0.00 0.00 0.00 03:51:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:51:01 ens3 96.80 105.07 1151.06 15.20 0.00 0.00 0.00 0.00 03:52:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:52:01 ens3 414.90 338.99 1682.15 34.59 0.00 0.00 0.00 0.00 03:53:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 03:53:01 ens3 307.53 313.61 2411.17 50.21 0.00 0.00 0.00 0.00 Average: lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 265.22 213.11 1442.48 36.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-970) 05/16/26 _x86_64_ (4 CPU) 03:47:56 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:01 all 22.63 0.00 3.07 5.10 1.38 67.82 03:49:01 0 7.39 0.00 2.00 3.86 1.35 85.41 03:49:01 1 48.03 0.00 3.26 8.77 1.71 38.23 03:49:01 2 20.43 0.00 1.88 5.97 1.13 70.59 03:49:01 3 14.81 0.00 5.14 1.82 1.30 76.92 03:50:01 all 22.49 0.00 1.46 1.60 1.24 73.22 03:50:01 0 5.53 0.00 0.63 1.29 1.24 91.31 03:50:01 1 23.86 0.00 1.68 4.70 1.07 68.69 03:50:01 2 43.59 0.00 2.41 0.22 1.56 52.22 03:50:01 3 17.04 0.00 1.10 0.18 1.11 80.56 03:51:01 all 9.45 0.00 0.50 0.44 0.55 89.06 03:51:01 0 7.92 0.00 0.78 0.30 0.37 90.62 03:51:01 1 8.91 0.00 0.35 1.30 0.50 88.94 03:51:01 2 7.93 0.00 0.68 0.15 0.25 90.99 03:51:01 3 13.04 0.00 0.25 0.00 1.07 85.64 03:52:01 all 5.77 0.00 0.51 0.13 0.34 93.25 03:52:01 0 7.79 0.00 0.28 0.00 0.45 91.48 03:52:01 1 6.53 0.00 0.55 0.32 0.30 92.30 03:52:01 2 4.02 0.00 0.20 0.12 0.17 95.50 03:52:01 3 4.69 0.00 0.99 0.12 0.44 93.76 03:53:01 all 23.50 0.00 1.54 0.74 1.04 73.18 03:53:01 0 5.23 0.00 0.70 0.52 0.50 93.05 03:53:01 1 19.02 0.00 1.55 1.85 0.82 76.77 03:53:01 2 55.32 0.00 2.65 0.55 1.88 39.59 03:53:01 3 14.45 0.00 1.30 0.05 0.96 83.24 Average: all 16.78 0.00 1.42 1.60 0.91 79.29 Average: 0 6.77 0.00 0.88 1.19 0.78 90.37 Average: 1 21.26 0.00 1.48 3.38 0.88 73.00 Average: 2 26.26 0.00 1.56 1.40 1.00 69.78 Average: 3 12.83 0.00 1.76 0.43 0.98 84.00