---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6829 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: 5600.00 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 11G 145G 7% / 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 677 26510 4 4904 30946 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:40:cd:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84232sec preferred_lft 84232sec inet6 fe80::f816:3eff:fe40:cda6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:8a:cb:fa:04:a2 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-6829) 09/10/26 _x86_64_ (8 CPU) 15:00:10 LINUX RESTART (8 CPU) 15:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:12 1.18 0.01 1.17 0.00 0.05 14.11 0.13 15:30:06 36.28 3.40 32.08 0.80 216.87 4411.78 1641.89 Average: 18.65 1.70 16.56 0.40 107.99 2203.28 817.40 15:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:12 30225040 31899932 486348 1.48 59600 1954096 1535400 4.53 198584 2160996 32 15:30:06 27033832 30009384 2305464 7.02 140364 3101692 2651540 7.82 464644 4961496 74540 Average: 28629436 30954658 1395906 4.25 99982 2527894 2093470 6.17 331614 3561246 37286 15:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:12 ens3 0.24 0.10 0.04 0.02 0.00 0.00 0.00 0.00 15:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:06 lo 0.36 0.36 0.03 0.03 0.00 0.00 0.00 0.00 15:30:06 ens3 108.39 84.54 742.89 15.00 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 54.08 42.14 369.83 7.47 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-6829) 09/10/26 _x86_64_ (8 CPU) 15:00:10 LINUX RESTART (8 CPU) 15:10:12 CPU %user %nice %system %iowait %steal %idle 15:20:12 all 0.06 0.00 0.02 0.00 0.00 99.92 15:20:12 0 0.01 0.00 0.00 0.00 0.00 99.98 15:20:12 1 0.01 0.00 0.02 0.01 0.00 99.96 15:20:12 2 0.02 0.00 0.02 0.00 0.00 99.97 15:20:12 3 0.01 0.00 0.01 0.00 0.00 99.97 15:20:12 4 0.40 0.00 0.01 0.00 0.00 99.59 15:20:12 5 0.02 0.00 0.04 0.00 0.00 99.94 15:20:12 6 0.01 0.00 0.00 0.03 0.00 99.96 15:20:12 7 0.02 0.00 0.02 0.00 0.01 99.95 15:30:06 all 10.25 0.00 0.52 0.15 0.01 89.08 15:30:06 0 11.21 0.00 0.39 0.05 0.01 88.34 15:30:06 1 11.18 0.00 0.54 0.08 0.01 88.20 15:30:06 2 8.56 0.00 0.35 0.01 0.00 91.08 15:30:06 3 8.60 0.00 0.59 0.03 0.01 90.77 15:30:06 4 12.83 0.00 0.73 0.26 0.01 86.17 15:30:06 5 9.30 0.00 0.50 0.02 0.01 90.17 15:30:06 6 9.26 0.00 0.41 0.06 0.01 90.27 15:30:06 7 11.04 0.00 0.64 0.71 0.01 87.61 Average: all 5.13 0.00 0.27 0.08 0.00 94.52 Average: 0 5.59 0.00 0.20 0.03 0.00 94.19 Average: 1 5.57 0.00 0.28 0.04 0.00 94.10 Average: 2 4.27 0.00 0.18 0.00 0.00 95.55 Average: 3 4.29 0.00 0.30 0.02 0.00 95.39 Average: 4 6.59 0.00 0.37 0.13 0.01 92.90 Average: 5 4.63 0.00 0.27 0.01 0.01 95.08 Average: 6 4.61 0.00 0.21 0.04 0.00 95.14 Average: 7 5.50 0.00 0.33 0.36 0.01 93.81