---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26861 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: 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 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 620 10519 4 4849 15026 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:a5:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fe11:a520/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:a3:2c:3d:1e:37 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-26861) 06/12/26 _x86_64_ (4 CPU) 09:55:28 LINUX RESTART (4 CPU) 10:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:19 4.39 0.14 4.09 0.17 10.31 617.57 142.28 10:20:05 11.25 0.53 10.03 0.69 19.49 1794.65 2172.39 Average: 7.76 0.33 7.00 0.43 14.81 1195.27 1138.64 10:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:19 8356428 11425196 4537852 27.72 113892 3113400 4734896 27.18 495616 7175808 216 10:20:05 10123628 13620696 2338916 14.29 132328 3495324 2495816 14.33 658032 5189092 10044 Average: 9240028 12522946 3438384 21.00 123110 3304362 3615356 20.75 576824 6182450 5130 10:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:19 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 10:10:19 ens3 12.06 9.99 79.10 2.46 0.00 0.00 0.00 0.00 10:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 193.03 193.03 183.04 183.04 0.00 0.00 0.00 0.00 10:20:05 ens3 38.46 27.87 422.82 3.76 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.04 95.04 90.02 90.02 0.00 0.00 0.00 0.00 Average: ens3 25.02 18.77 247.79 3.10 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-26861) 06/12/26 _x86_64_ (4 CPU) 09:55:28 LINUX RESTART (4 CPU) 10:00:10 CPU %user %nice %system %iowait %steal %idle 10:10:19 all 45.87 0.00 0.72 0.39 0.09 52.94 10:10:19 0 39.73 0.00 0.60 0.19 0.08 59.39 10:10:19 1 52.83 0.00 0.88 0.77 0.10 45.42 10:10:19 2 45.87 0.00 0.81 0.32 0.08 52.92 10:10:19 3 45.06 0.00 0.57 0.27 0.08 54.02 10:20:05 all 51.81 0.00 1.05 0.92 0.11 46.12 10:20:05 0 52.52 0.00 0.96 1.49 0.11 44.92 10:20:05 1 48.38 0.00 1.33 0.43 0.10 49.76 10:20:05 2 50.66 0.00 1.04 1.34 0.11 46.85 10:20:05 3 55.66 0.00 0.86 0.43 0.11 42.94 Average: all 48.78 0.00 0.88 0.65 0.10 49.59 Average: 0 46.00 0.00 0.78 0.83 0.09 52.30 Average: 1 50.65 0.00 1.10 0.60 0.10 47.55 Average: 2 48.22 0.00 0.92 0.82 0.09 49.94 Average: 3 50.26 0.00 0.71 0.35 0.10 48.58