---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53261 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 4 On-line CPU(s) list: 0-3 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): 4 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 nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 635 10558 4 4795 15011 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:11:d4:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84644sec preferred_lft 84644sec inet6 fe80::f816:3eff:fe11:d4d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:fe:ca:be:ab:f5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53261) 03/27/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:16 4.27 0.22 3.85 0.20 22.94 639.07 189.75 00:50:02 18.26 0.53 16.49 1.23 19.50 2157.12 3886.62 Average: 11.09 0.37 10.01 0.70 21.26 1379.17 1992.09 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:16 8590348 11570024 4393492 26.83 113372 3031144 4549332 26.11 498244 6938204 132 00:50:02 8956472 12651540 3308132 20.20 134360 3686360 3639300 20.89 702300 6337496 270636 Average: 8773410 12110782 3850812 23.52 123866 3358752 4094316 23.50 600272 6637850 135384 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:16 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 00:40:16 ens3 12.63 10.56 76.31 3.08 0.00 0.00 0.00 0.00 00:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 400.63 400.63 381.64 381.64 0.00 0.00 0.00 0.00 00:50:02 ens3 37.42 25.39 420.40 4.80 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 195.63 195.63 186.25 186.25 0.00 0.00 0.00 0.00 Average: ens3 24.71 17.79 244.07 3.92 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53261) 03/27/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:16 all 46.89 0.00 0.69 0.02 0.08 52.33 00:40:16 0 47.70 0.00 0.66 0.02 0.08 51.55 00:40:16 1 52.30 0.00 0.65 0.01 0.08 46.97 00:40:16 2 43.60 0.00 0.65 0.03 0.07 55.65 00:40:16 3 43.94 0.00 0.80 0.02 0.08 55.16 00:50:02 all 51.11 0.00 1.22 0.86 0.10 46.71 00:50:02 0 42.11 0.00 1.00 1.06 0.11 55.72 00:50:02 1 55.37 0.00 1.09 0.87 0.10 42.57 00:50:02 2 62.47 0.00 1.47 0.67 0.10 35.30 00:50:02 3 44.52 0.00 1.31 0.85 0.09 53.23 Average: all 48.95 0.00 0.94 0.43 0.09 49.59 Average: 0 44.97 0.00 0.82 0.53 0.09 53.58 Average: 1 53.79 0.00 0.86 0.43 0.09 44.83 Average: 2 52.79 0.00 1.05 0.34 0.09 45.74 Average: 3 44.23 0.00 1.05 0.43 0.08 54.22