---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26690 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 685 10477 4 4826 14961 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:a1:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84295sec preferred_lft 84295sec inet6 fe80::f816:3eff:fe3d:a107/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:50:25:52:90:47 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-26690) 06/11/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 7.20 1.96 5.08 0.16 126.20 1415.19 407.02 15:50:03 11.38 0.46 9.83 1.09 17.71 2317.33 2798.56 16:00:01 28.45 0.73 23.57 4.15 24.25 3826.32 9393.35 Average: 15.66 1.05 12.82 1.80 56.01 2518.63 4194.77 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10736536 13681572 2282492 13.94 117208 2987868 2769352 15.90 474144 4827352 37176 15:50:03 10035476 13654220 2303212 14.07 147752 3564704 2542444 14.59 643380 5284940 25584 16:00:01 10784056 15366140 584428 3.57 176300 4436424 1113576 6.39 899872 4183560 4 Average: 10518689 14233977 1723377 10.53 147087 3662999 2141791 12.29 672465 4765284 20921 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 15:40:01 ens3 63.09 52.64 725.05 8.67 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 15:50:03 ens3 74.75 55.67 101.09 18.21 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1628.23 1628.23 1541.08 1541.08 0.00 0.00 0.00 0.00 16:00:01 ens3 106.67 94.36 410.46 149.41 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 541.90 541.90 512.40 512.40 0.00 0.00 0.00 0.00 Average: ens3 81.48 67.53 411.70 58.65 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-26690) 06/11/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 12.74 0.00 0.51 0.04 0.04 86.67 15:40:01 0 12.13 0.00 0.45 0.04 0.03 87.36 15:40:01 1 13.03 0.00 0.44 0.01 0.04 86.48 15:40:01 2 12.45 0.00 0.57 0.04 0.05 86.90 15:40:01 3 13.34 0.00 0.58 0.08 0.04 85.96 15:50:03 all 72.73 0.00 2.19 0.08 0.10 24.89 15:50:03 0 73.99 0.00 2.33 0.03 0.10 23.55 15:50:03 1 72.50 0.00 2.09 0.12 0.10 25.18 15:50:03 2 70.61 0.00 2.19 0.06 0.10 27.04 15:50:03 3 73.83 0.00 2.16 0.12 0.10 23.80 16:00:01 all 47.28 0.00 2.16 0.10 0.08 50.38 16:00:01 0 45.38 0.00 2.33 0.15 0.08 52.06 16:00:01 1 47.39 0.00 2.24 0.07 0.08 50.23 16:00:01 2 51.56 0.00 2.02 0.11 0.09 46.22 16:00:01 3 44.79 0.00 2.05 0.08 0.08 53.01 Average: all 44.28 0.00 1.62 0.07 0.07 53.95 Average: 0 43.85 0.00 1.70 0.07 0.07 54.30 Average: 1 44.33 0.00 1.59 0.07 0.07 53.94 Average: 2 44.93 0.00 1.59 0.07 0.08 53.32 Average: 3 44.00 0.00 1.59 0.09 0.07 54.24