---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1207 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.5G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 419 1433 0 2091 3262 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:ed:28:26 brd ff:ff:ff:ff:ff:ff inet 10.32.6.61/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:feed:2826/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1207) 07/24/25 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 137.97 54.57 83.41 3584.01 40485.19 19:15:01 55.36 5.63 49.74 174.34 8465.68 19:16:01 70.14 13.46 56.67 537.91 8009.07 19:17:01 23.08 0.53 22.55 42.13 4324.35 Average: 71.71 18.60 53.11 1088.51 15350.80 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 1900228 3344432 2138424 52.95 37244 1570676 650424 12.79 554788 1428076 88552 19:15:01 1742724 3414004 2295928 56.85 56080 1763136 554784 10.91 492904 1617108 134604 19:16:01 1504080 3371284 2534572 62.76 62888 1947444 583084 11.46 624452 1713616 113856 19:17:01 1458920 3330520 2579732 63.88 64848 1949736 619272 12.17 672068 1710396 11652 Average: 1651488 3365060 2387164 59.11 55265 1807748 601891 11.83 586053 1617299 87166 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 343.87 213.16 1445.64 66.67 0.00 0.00 0.00 0.00 19:14:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 19:15:01 ens3 56.43 34.33 423.30 7.17 0.00 0.00 0.00 0.00 19:15:01 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 19:16:01 ens3 233.73 267.89 1251.30 58.04 0.00 0.00 0.00 0.00 19:16:01 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 19:17:01 ens3 48.19 58.31 28.61 527.16 0.00 0.00 0.00 0.00 19:17:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 171.04 143.88 788.76 165.41 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1207) 07/24/25 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 23.19 0.00 2.14 4.16 1.22 69.29 19:14:02 0 8.36 0.00 1.44 5.21 0.85 84.15 19:14:02 1 31.68 0.00 1.91 1.21 1.40 63.80 19:14:02 2 34.51 0.00 3.02 3.27 1.50 57.71 19:14:02 3 18.18 0.00 2.16 6.98 1.13 71.55 19:15:01 all 20.12 0.00 1.26 1.59 1.01 76.01 19:15:01 0 12.72 0.00 0.69 0.74 0.73 85.12 19:15:01 1 4.97 0.00 0.42 2.58 1.09 90.94 19:15:01 2 59.22 0.00 3.24 2.03 1.92 33.59 19:15:01 3 3.69 0.00 0.75 1.03 0.29 94.24 19:16:01 all 40.20 0.00 2.04 0.73 2.56 54.47 19:16:01 0 39.01 0.00 2.21 0.92 2.55 55.31 19:16:01 1 58.06 0.00 1.95 0.42 2.78 36.79 19:16:01 2 31.76 0.00 1.41 0.42 2.50 63.91 19:16:01 3 31.99 0.00 2.58 1.15 2.43 61.85 19:17:01 all 21.03 0.00 0.97 0.57 0.95 76.49 19:17:01 0 2.91 0.00 0.41 0.61 1.09 94.97 19:17:01 1 48.73 0.00 2.02 0.08 1.40 47.78 19:17:01 2 31.27 0.00 0.88 0.08 1.07 66.70 19:17:01 3 1.30 0.00 0.57 1.49 0.23 96.41 Average: all 26.16 0.00 1.60 1.76 1.44 69.04 Average: 0 15.74 0.00 1.19 1.87 1.31 79.89 Average: 1 35.93 0.00 1.58 1.07 1.67 59.75 Average: 2 39.10 0.00 2.13 1.45 1.74 55.57 Average: 3 13.84 0.00 1.52 2.67 1.03 80.94