---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4904 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 68G 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 670 10537 4 4781 14976 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:dd:39:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83874sec preferred_lft 83874sec inet6 fe80::f816:3eff:fedd:390a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:ed:29:33:3e:9e 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-4904) 04/20/26 _x86_64_ (4 CPU) 14:24:38 LINUX RESTART (4 CPU) 14:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:16 29.42 2.22 26.62 0.58 132.33 2327.21 1799.92 14:50:01 11.68 1.98 9.09 0.61 128.49 2514.27 1241.67 15:00:17 26.44 0.77 22.58 3.09 26.53 3419.42 10144.01 Average: 22.66 1.64 19.56 1.45 94.95 2760.91 4469.70 14:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:16 13160256 15536468 443464 2.71 95104 2474656 971496 5.58 331220 2566248 256 14:50:01 10738580 13879292 2082108 12.72 126612 3152560 2443520 14.03 535216 4724524 19820 15:00:17 9264156 13355212 2597164 15.86 174744 3970888 2763460 15.86 785308 5860520 14308 Average: 11054331 14256991 1707579 10.43 132153 3199368 2059492 11.82 550581 4383764 11461 14:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:16 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:40:16 ens3 45.16 30.26 308.25 7.29 0.00 0.00 0.00 0.00 14:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 0.88 0.88 0.09 0.09 0.00 0.00 0.00 0.00 14:50:01 ens3 86.11 67.59 641.53 15.65 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:17 lo 1426.67 1426.67 1359.78 1359.78 0.00 0.00 0.00 0.00 15:00:17 ens3 77.76 59.20 365.94 17.55 0.00 0.00 0.00 0.00 15:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 487.77 487.77 464.57 464.57 0.00 0.00 0.00 0.00 Average: ens3 69.55 52.23 435.87 13.50 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-4904) 04/20/26 _x86_64_ (4 CPU) 14:24:38 LINUX RESTART (4 CPU) 14:30:13 CPU %user %nice %system %iowait %steal %idle 14:40:16 all 2.73 0.00 0.34 0.46 0.02 96.46 14:40:16 0 1.52 0.00 0.34 0.39 0.02 97.74 14:40:16 1 3.14 0.00 0.34 0.85 0.02 95.64 14:40:16 2 2.63 0.00 0.36 0.48 0.02 96.50 14:40:16 3 3.62 0.00 0.31 0.10 0.02 95.95 14:50:01 all 46.49 0.00 1.57 0.10 0.14 51.70 14:50:01 0 48.56 0.00 1.67 0.08 0.15 49.55 14:50:01 1 45.86 0.00 1.66 0.22 0.17 52.09 14:50:01 2 47.13 0.00 1.60 0.09 0.10 51.09 14:50:01 3 44.41 0.00 1.35 0.04 0.13 54.07 15:00:17 all 69.64 0.00 2.72 0.13 0.12 27.39 15:00:17 0 68.04 0.00 2.55 0.12 0.12 29.17 15:00:17 1 72.40 0.00 2.78 0.16 0.12 24.53 15:00:17 2 69.13 0.00 3.10 0.09 0.13 27.55 15:00:17 3 68.99 0.00 2.46 0.13 0.13 28.29 Average: all 39.72 0.00 1.55 0.23 0.09 58.41 Average: 0 39.45 0.00 1.53 0.19 0.10 58.74 Average: 1 40.60 0.00 1.60 0.41 0.10 57.29 Average: 2 39.70 0.00 1.70 0.22 0.08 58.29 Average: 3 39.12 0.00 1.38 0.09 0.09 59.32