---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4536 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 613 10424 4 4951 15033 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:e2:80:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fee2:80d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:13:b8:67:93:59 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4536) 01/26/26 _x86_64_ (4 CPU) 12:04:46 LINUX RESTART (4 CPU) 12:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:02 7.00 0.56 5.94 0.50 422.21 1045.72 904.06 12:30:01 24.52 0.53 10.12 13.87 19.63 1769.64 243505.11 Average: 15.74 0.55 8.02 7.18 221.20 1407.16 122032.98 12:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:02 8589560 11728644 4233648 25.86 112928 3195608 4393452 25.22 644392 6799604 1172 12:30:01 10018856 13582684 2376100 14.51 131516 3573164 2502220 14.36 809404 5166772 1456 Average: 9304208 12655664 3304874 20.18 122222 3384386 3447836 19.79 726898 5983188 1314 12:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:02 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 12:20:02 ens3 19.28 13.96 204.31 2.65 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 199.61 199.61 189.89 189.89 0.00 0.00 0.00 0.00 12:30:01 ens3 39.35 29.18 409.39 3.77 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 99.98 99.98 95.00 95.00 0.00 0.00 0.00 0.00 Average: ens3 29.30 21.56 306.70 3.21 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4536) 01/26/26 _x86_64_ (4 CPU) 12:04:46 LINUX RESTART (4 CPU) 12:10:00 CPU %user %nice %system %iowait %steal %idle 12:20:02 all 47.85 0.00 0.85 0.07 0.08 51.15 12:20:02 0 41.34 0.00 0.87 0.13 0.08 57.59 12:20:02 1 53.40 0.00 0.81 0.05 0.08 45.65 12:20:02 2 46.85 0.00 0.80 0.06 0.08 52.20 12:20:02 3 49.82 0.00 0.91 0.05 0.08 49.14 12:30:01 all 54.67 0.00 0.97 0.10 0.09 44.17 12:30:01 0 47.11 0.00 0.99 0.16 0.09 51.66 12:30:01 1 47.69 0.00 0.95 0.02 0.08 51.26 12:30:01 2 45.62 0.00 1.03 0.12 0.08 53.14 12:30:01 3 78.29 0.00 0.91 0.10 0.10 20.60 Average: all 51.26 0.00 0.91 0.09 0.08 47.67 Average: 0 44.22 0.00 0.93 0.14 0.08 54.63 Average: 1 50.55 0.00 0.88 0.04 0.08 48.45 Average: 2 46.24 0.00 0.91 0.09 0.08 52.67 Average: 3 64.03 0.00 0.91 0.07 0.09 34.90