---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2773 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 68G 13% / 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 659 10858 4 4471 14986 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:fd:d6:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82851sec preferred_lft 82851sec inet6 fe80::f816:3eff:fefd:d60b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:5c:fc:cb:cc:52 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-2773) 04/14/26 _x86_64_ (4 CPU) 12:45:15 LINUX RESTART (4 CPU) 12:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:16 1.70 0.04 1.65 0.01 1.79 20.10 0.61 13:10:16 1.47 0.01 1.47 0.00 0.04 16.27 0.00 13:20:16 1.54 0.00 1.54 0.00 0.01 16.80 0.00 13:30:01 43.58 4.11 38.46 1.01 244.61 3618.96 2526.64 13:40:01 8.79 0.50 7.55 0.74 18.56 2227.45 3020.79 Average: 11.21 0.91 9.95 0.35 51.81 1161.90 1096.74 12:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:16 13772392 15514992 504088 3.08 54636 1914848 1145444 6.57 194040 2149496 172 13:10:16 13769872 15513092 505964 3.09 55216 1914856 1144968 6.57 194636 2150356 20 13:20:16 13768876 15512704 506364 3.09 55828 1914864 1144968 6.57 195236 2151000 16 13:30:01 11500208 14303776 1660724 10.14 112556 2864264 2023360 11.61 457280 4086944 61804 13:40:01 9424808 13128540 2829236 17.28 143788 3667704 3342872 19.19 707148 5845200 302052 Average: 12447231 14794621 1201275 7.34 84405 2455307 1760322 10.10 349668 3276599 72813 12:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:16 ens3 0.54 0.13 0.14 0.05 0.00 0.00 0.00 0.00 13:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:16 ens3 0.45 0.09 0.08 0.02 0.00 0.00 0.00 0.00 13:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:16 ens3 0.34 0.08 0.06 0.02 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 0.71 0.71 0.09 0.09 0.00 0.00 0.00 0.00 13:30:01 ens3 86.65 61.01 734.82 12.35 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1.49 1.49 0.15 0.15 0.00 0.00 0.00 0.00 13:40:01 ens3 69.11 56.15 277.20 14.22 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 30.98 23.18 198.81 5.27 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-2773) 04/14/26 _x86_64_ (4 CPU) 12:45:15 LINUX RESTART (4 CPU) 12:50:00 CPU %user %nice %system %iowait %steal %idle 13:00:16 all 0.09 0.00 0.03 0.20 0.01 99.66 13:00:16 0 0.02 0.00 0.03 0.23 0.01 99.71 13:00:16 1 0.02 0.00 0.03 0.02 0.01 99.93 13:00:16 2 0.31 0.00 0.05 0.06 0.02 99.56 13:00:16 3 0.02 0.00 0.02 0.48 0.01 99.46 13:10:16 all 0.09 0.00 0.02 0.15 0.01 99.73 13:10:16 0 0.03 0.00 0.04 0.53 0.02 99.38 13:10:16 1 0.03 0.00 0.02 0.01 0.01 99.94 13:10:16 2 0.27 0.00 0.02 0.00 0.01 99.69 13:10:16 3 0.02 0.00 0.02 0.07 0.01 99.89 13:20:16 all 0.11 0.00 0.03 0.15 0.01 99.70 13:20:16 0 0.02 0.00 0.02 0.37 0.01 99.58 13:20:16 1 0.02 0.00 0.03 0.10 0.01 99.84 13:20:16 2 0.38 0.00 0.03 0.05 0.01 99.53 13:20:16 3 0.02 0.00 0.02 0.09 0.01 99.86 13:30:01 all 23.30 0.00 0.94 0.36 0.06 75.34 13:30:01 0 23.55 0.00 1.01 0.48 0.05 74.90 13:30:01 1 25.15 0.00 1.00 0.33 0.06 73.47 13:30:01 2 21.96 0.00 0.84 0.50 0.06 76.64 13:30:01 3 22.55 0.00 0.91 0.12 0.06 76.36 13:40:01 all 70.55 0.00 2.17 0.11 0.14 27.03 13:40:01 0 65.04 0.00 2.05 0.11 0.14 32.67 13:40:01 1 73.33 0.00 2.45 0.13 0.13 23.97 13:40:01 2 73.01 0.00 2.22 0.11 0.14 24.53 13:40:01 3 70.82 0.00 1.97 0.09 0.13 26.98 Average: all 18.67 0.00 0.63 0.19 0.04 80.46 Average: 0 17.57 0.00 0.62 0.34 0.04 81.42 Average: 1 19.53 0.00 0.70 0.11 0.04 79.61 Average: 2 19.05 0.00 0.63 0.14 0.05 80.13 Average: 3 18.54 0.00 0.58 0.17 0.04 80.66