---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3520 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: 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 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 7.5G 12G 40% / 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 479 5402 0 2093 7217 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:1c:b3:4e brd ff:ff:ff:ff:ff:ff inet 10.32.7.216/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe1c:b34e/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-3520) 09/12/25 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 161.99 77.84 84.15 4749.08 40658.44 19:15:01 58.56 5.57 52.99 171.97 8987.44 19:16:01 70.00 13.16 56.84 523.65 7900.82 19:17:01 21.70 0.90 20.80 57.19 4340.21 Average: 78.06 24.37 53.70 1375.47 15471.73 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5993656 7417024 2173756 26.61 36784 1566312 705196 7.65 582796 1426884 84184 19:15:01 5790904 7447460 2376508 29.10 56072 1764688 812468 8.82 559596 1620112 132604 19:16:01 5496744 7347592 2670668 32.70 62640 1947692 721656 7.83 749780 1714428 102152 19:17:01 5559780 7415328 2607632 31.93 64484 1949924 655820 7.12 689552 1710436 9324 Average: 5710271 7406851 2457141 30.08 54995 1807154 723785 7.85 645431 1617965 82066 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 472.54 265.86 1480.34 67.64 0.00 0.00 0.00 0.00 19:14:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 19:15:01 ens3 52.31 33.16 453.54 5.95 0.00 0.00 0.00 0.00 19:15:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 19:16:01 ens3 281.94 278.45 1248.50 58.45 0.00 0.00 0.00 0.00 19:16:01 lo 1.70 1.70 0.16 0.16 0.00 0.00 0.00 0.00 19:17:01 ens3 53.04 58.67 28.27 531.54 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 214.96 159.04 802.66 165.90 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3520) 09/12/25 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 22.19 0.00 2.77 5.10 1.56 68.37 19:14:01 0 14.10 0.00 1.73 3.55 1.28 79.34 19:14:01 1 34.28 0.00 2.48 6.04 1.88 55.32 19:14:01 2 27.02 0.00 2.26 4.49 1.68 64.54 19:14:01 3 13.35 0.00 4.63 6.33 1.42 74.28 19:15:01 all 21.83 0.00 1.37 1.64 1.32 73.86 19:15:01 0 6.88 0.00 0.33 0.03 0.68 92.08 19:15:01 1 16.99 0.00 1.21 5.02 1.25 75.54 19:15:01 2 36.21 0.00 1.91 0.28 1.76 59.82 19:15:01 3 27.26 0.00 1.99 1.21 1.57 67.97 19:16:01 all 42.25 0.00 1.98 0.86 3.32 51.59 19:16:01 0 42.16 0.00 1.99 1.01 3.12 51.71 19:16:01 1 39.18 0.00 2.09 1.66 3.22 53.84 19:16:01 2 37.11 0.00 1.84 0.13 3.17 57.75 19:16:01 3 50.56 0.00 1.96 0.65 3.75 43.09 19:17:01 all 20.88 0.00 1.14 0.63 1.19 76.15 19:17:01 0 10.71 0.00 1.13 0.02 0.47 87.68 19:17:01 1 2.75 0.00 0.67 1.50 0.53 94.55 19:17:01 2 43.13 0.00 1.20 0.27 2.03 53.38 19:17:01 3 26.88 0.00 1.58 0.75 1.74 69.06 Average: all 26.80 0.00 1.81 2.06 1.85 67.49 Average: 0 18.46 0.00 1.30 1.15 1.39 77.70 Average: 1 23.31 0.00 1.61 3.55 1.72 69.80 Average: 2 35.87 0.00 1.80 1.29 2.16 58.87 Average: 3 29.53 0.00 2.53 2.23 2.12 63.59