---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-62023 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 746 18969 4 12376 30877 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:65:70:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84398sec preferred_lft 84398sec inet6 fe80::f816:3eff:fe65:70fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:6f:d4:1d:bd:f1 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::2c6f:d4ff:fe1d:bdf1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-62023) 10/05/26 _x86_64_ (8 CPU) 00:23:24 LINUX RESTART (8 CPU) 00:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 23.50 0.06 7.33 16.11 2.87 2452.53 529165.14 00:50:07 47.64 2.33 44.19 1.12 332.73 23513.30 2616.74 Average: 35.89 1.22 26.26 8.41 172.24 13266.37 258804.23 00:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 24601552 29343660 2961580 9.01 156284 4783572 3188472 9.40 908832 6842492 51420 00:50:07 19720220 31646952 625068 1.90 240580 11584280 1579640 4.66 3107452 9189792 484 Average: 22160886 30495306 1793324 5.46 198432 8183926 2384056 7.03 2008142 8016142 25952 00:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.84 1.84 0.17 0.17 0.00 0.00 0.00 0.00 00:40:01 ens3 67.29 53.21 251.91 13.02 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 211.38 211.38 207.42 207.42 0.00 0.00 0.00 0.00 00:50:07 ens3 117.75 104.20 336.98 1222.84 0.00 0.00 0.00 0.00 00:50:07 docker0 69.46 63.80 1211.51 6.72 0.00 0.00 0.00 0.00 00:50:07 veth58a3aa7 69.45 63.80 1212.46 6.72 0.00 0.00 0.00 0.10 Average: lo 109.43 109.43 106.58 106.58 0.00 0.00 0.00 0.00 Average: ens3 93.20 79.39 295.59 634.21 0.00 0.00 0.00 0.00 Average: docker0 35.66 32.76 622.06 3.45 0.00 0.00 0.00 0.00 Average: veth58a3aa7 35.66 32.76 622.55 3.45 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-62023) 10/05/26 _x86_64_ (8 CPU) 00:23:24 LINUX RESTART (8 CPU) 00:30:26 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 36.22 0.00 1.68 0.05 0.02 62.03 00:40:01 0 36.61 0.00 1.86 0.03 0.02 61.46 00:40:01 1 37.60 0.00 1.82 0.05 0.02 60.50 00:40:01 2 33.10 0.00 1.41 0.01 0.02 65.46 00:40:01 3 37.58 0.00 1.66 0.03 0.02 60.70 00:40:01 4 38.43 0.00 1.86 0.03 0.02 59.65 00:40:01 5 37.01 0.00 1.49 0.04 0.02 61.44 00:40:01 6 30.71 0.00 1.33 0.18 0.02 67.76 00:40:01 7 38.69 0.00 1.98 0.04 0.02 59.27 00:50:07 all 13.91 0.00 1.51 0.21 0.01 84.35 00:50:07 0 15.91 0.00 1.60 0.23 0.02 82.24 00:50:07 1 11.85 0.00 1.50 0.21 0.01 86.42 00:50:07 2 14.77 0.00 1.16 0.20 0.01 83.86 00:50:07 3 11.38 0.00 1.31 0.10 0.01 87.20 00:50:07 4 15.62 0.00 1.74 0.30 0.02 82.33 00:50:07 5 15.41 0.00 1.56 0.06 0.01 82.95 00:50:07 6 12.63 0.00 1.61 0.44 0.01 85.31 00:50:07 7 13.75 0.00 1.60 0.17 0.02 84.47 Average: all 24.76 0.00 1.59 0.13 0.02 73.49 Average: 0 25.97 0.00 1.73 0.13 0.02 72.14 Average: 1 24.39 0.00 1.66 0.13 0.02 73.80 Average: 2 23.68 0.00 1.28 0.10 0.01 74.92 Average: 3 24.12 0.00 1.48 0.07 0.02 74.32 Average: 4 26.72 0.00 1.80 0.17 0.02 71.30 Average: 5 25.92 0.00 1.53 0.05 0.02 72.49 Average: 6 21.42 0.00 1.47 0.31 0.02 76.77 Average: 7 25.88 0.00 1.78 0.11 0.02 72.21