---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38155 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 641 10344 4 5004 15005 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:3d:26:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84801sec preferred_lft 84801sec inet6 fe80::f816:3eff:fe3d:2618/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:41:22:f7:7a:cc 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38155) 07/23/26 _x86_64_ (4 CPU) 20:07:47 LINUX RESTART (4 CPU) 20:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:17 8.18 1.63 6.34 0.21 118.98 2125.94 334.73 20:30:09 18.14 12.45 5.42 0.27 147.84 674.87 73.74 Average: 13.13 7.01 5.89 0.24 133.33 1404.48 204.97 20:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:17 9005412 12083308 3879484 23.69 114572 3120532 4067172 23.35 496728 6526680 836 20:30:09 9061512 12883144 3075280 18.78 133940 3793116 3165436 18.17 627188 6268696 508404 Average: 9033462 12483226 3477382 21.24 124256 3456824 3616304 20.76 561958 6397688 254620 20:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:17 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 20:20:17 ens3 21.32 18.18 182.58 3.51 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:09 lo 105.07 105.07 99.81 99.81 0.00 0.00 0.00 0.00 20:30:09 ens3 38.47 25.73 437.88 3.33 0.00 0.00 0.00 0.00 20:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 52.57 52.57 49.82 49.82 0.00 0.00 0.00 0.00 Average: ens3 29.84 21.93 309.51 3.42 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38155) 07/23/26 _x86_64_ (4 CPU) 20:07:47 LINUX RESTART (4 CPU) 20:10:18 CPU %user %nice %system %iowait %steal %idle 20:20:17 all 52.09 0.00 0.82 0.04 0.08 46.97 20:20:17 0 48.60 0.00 0.71 0.06 0.08 50.56 20:20:17 1 47.26 0.00 0.84 0.02 0.09 51.79 20:20:17 2 57.39 0.00 0.72 0.01 0.08 41.79 20:20:17 3 55.13 0.00 1.00 0.05 0.08 43.74 20:30:09 all 51.70 0.08 0.73 0.07 0.07 47.35 20:30:09 0 36.68 0.23 0.75 0.16 0.07 62.11 20:30:09 1 61.04 0.00 0.90 0.01 0.08 37.97 20:30:09 2 51.91 0.08 0.70 0.07 0.07 47.17 20:30:09 3 57.22 0.00 0.55 0.03 0.07 42.12 Average: all 51.90 0.04 0.77 0.05 0.08 47.16 Average: 0 42.67 0.11 0.73 0.11 0.07 56.30 Average: 1 54.10 0.00 0.87 0.01 0.08 44.93 Average: 2 54.67 0.04 0.71 0.04 0.08 44.47 Average: 3 56.17 0.00 0.78 0.04 0.07 42.94