---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7781 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 760 19061 4 12270 30863 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:3b:dc:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84454sec preferred_lft 84454sec inet6 fe80::f816:3eff:fe3b:dce1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:cc:3b:7d:5b:91 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::58cc:3bff:fe7d:5b91/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-7781) 09/13/26 _x86_64_ (8 CPU) 00:36:49 LINUX RESTART (8 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 14.47 2.12 11.74 0.62 130.48 6151.32 508.36 01:00:00 23.98 0.52 22.84 0.62 18.30 18931.89 1752.16 Average: 19.18 1.33 17.23 0.62 74.97 12476.23 1123.90 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 25144080 29544164 2763184 8.41 145356 4469064 2827460 8.34 815216 6451828 15200 01:00:00 17319764 28600132 3679548 11.20 215444 11015604 4121244 12.15 2821352 11962592 1201804 Average: 21231922 29072148 3221366 9.80 180400 7742334 3474352 10.25 1818284 9207210 608502 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 5.66 5.66 0.54 0.54 0.00 0.00 0.00 0.00 00:50:07 ens3 100.67 82.29 560.46 15.71 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 250.51 250.51 244.79 244.79 0.00 0.00 0.00 0.00 01:00:00 ens3 75.92 63.68 328.30 14.23 0.00 0.00 0.00 0.00 01:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 126.83 126.83 121.42 121.42 0.00 0.00 0.00 0.00 Average: ens3 88.42 73.08 445.57 14.98 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-7781) 09/13/26 _x86_64_ (8 CPU) 00:36:49 LINUX RESTART (8 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 37.73 0.00 1.55 0.07 0.01 60.65 00:50:07 0 38.44 0.00 1.83 0.01 0.02 59.70 00:50:07 1 35.72 0.00 1.78 0.19 0.01 62.29 00:50:07 2 38.42 0.00 1.71 0.03 0.01 59.83 00:50:07 3 38.47 0.00 1.43 0.09 0.02 60.00 00:50:07 4 37.92 0.00 1.42 0.12 0.01 60.52 00:50:07 5 39.92 0.00 1.29 0.02 0.01 58.75 00:50:07 6 37.75 0.00 1.50 0.03 0.01 60.71 00:50:07 7 35.19 0.00 1.41 0.03 0.01 63.36 01:00:00 all 19.09 0.00 1.38 0.13 0.01 79.39 01:00:00 0 22.37 0.00 1.65 0.05 0.01 75.93 01:00:00 1 18.67 0.00 1.43 0.10 0.01 79.79 01:00:00 2 21.68 0.00 1.55 0.03 0.01 76.73 01:00:00 3 19.76 0.00 1.46 0.38 0.01 78.39 01:00:00 4 17.67 0.00 1.19 0.14 0.01 80.99 01:00:00 5 16.94 0.00 1.42 0.14 0.01 81.49 01:00:00 6 18.43 0.00 1.20 0.05 0.01 80.31 01:00:00 7 17.18 0.00 1.14 0.16 0.01 81.52 Average: all 28.51 0.00 1.46 0.10 0.01 69.92 Average: 0 30.48 0.00 1.74 0.03 0.01 67.73 Average: 1 27.28 0.00 1.61 0.15 0.01 70.95 Average: 2 30.14 0.00 1.63 0.03 0.01 68.18 Average: 3 29.22 0.00 1.44 0.23 0.01 69.09 Average: 4 27.90 0.00 1.30 0.13 0.01 70.65 Average: 5 28.55 0.00 1.35 0.08 0.01 70.00 Average: 6 28.20 0.00 1.35 0.04 0.01 70.40 Average: 7 26.28 0.00 1.27 0.09 0.01 72.34