---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-463522 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 621 10311 4 5057 15025 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:5d:42:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84756sec preferred_lft 84756sec inet6 fe80::f816:3eff:fe5d:42cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:3c:c3:43:02:8e 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-463522) 03/13/26 _x86_64_ (4 CPU) 15:56:02 LINUX RESTART (4 CPU) 16:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:07 7.19 0.50 6.16 0.54 417.37 1115.92 26809.29 16:20:01 23.34 0.53 8.92 13.89 19.36 1679.54 241614.61 Average: 15.31 0.51 7.55 7.25 217.38 1399.13 134745.56 16:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:07 8198560 11442400 4519392 27.60 116500 3288380 4695060 26.95 615396 7214268 1108 16:20:01 9044976 12987920 2969944 18.14 134592 3931356 3055496 17.54 807416 6126000 272396 Average: 8621768 12215160 3744668 22.87 125546 3609868 3875278 22.24 711406 6670134 136752 16:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:07 lo 0.62 0.62 0.39 0.39 0.00 0.00 0.00 0.00 16:10:07 ens3 24.60 13.95 254.28 7.57 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 203.24 203.24 193.43 193.43 0.00 0.00 0.00 0.00 16:20:01 ens3 33.31 24.63 412.61 3.85 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 102.43 102.43 97.39 97.39 0.00 0.00 0.00 0.00 Average: ens3 28.98 19.32 333.84 5.70 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-463522) 03/13/26 _x86_64_ (4 CPU) 15:56:02 LINUX RESTART (4 CPU) 16:00:18 CPU %user %nice %system %iowait %steal %idle 16:10:07 all 48.30 0.00 0.97 0.05 0.09 50.58 16:10:07 0 49.04 0.00 0.88 0.04 0.09 49.95 16:10:07 1 61.08 0.00 1.02 0.10 0.10 37.70 16:10:07 2 40.03 0.00 0.86 0.03 0.09 59.00 16:10:07 3 43.01 0.00 1.12 0.05 0.09 55.73 16:20:01 all 54.80 0.00 0.95 0.03 0.09 44.13 16:20:01 0 44.73 0.00 1.04 0.05 0.08 54.10 16:20:01 1 49.69 0.00 0.63 0.02 0.08 49.58 16:20:01 2 69.91 0.00 1.13 0.02 0.10 28.85 16:20:01 3 54.87 0.00 1.02 0.03 0.09 43.98 Average: all 51.57 0.00 0.96 0.04 0.09 47.34 Average: 0 46.87 0.00 0.96 0.04 0.09 52.04 Average: 1 55.35 0.00 0.83 0.06 0.09 43.67 Average: 2 55.06 0.00 0.99 0.02 0.09 43.83 Average: 3 48.97 0.00 1.07 0.04 0.09 49.82