---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5634 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 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 607 10185 4 5196 15038 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:af:87:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82691sec preferred_lft 82691sec inet6 fe80::f816:3eff:feaf:8795/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:28:44:ec:cb:9a 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-5634) 03/18/26 _x86_64_ (4 CPU) 18:28:41 LINUX RESTART (4 CPU) 18:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:25 42.64 3.55 23.68 15.40 182.85 12727.49 239642.59 18:50:01 1.59 0.01 1.58 0.01 0.04 212.13 0.22 19:00:25 1.36 0.00 1.36 0.00 0.00 16.30 0.00 19:10:25 1.38 0.00 1.38 0.00 0.00 26.56 0.01 19:20:01 1.66 0.00 1.66 0.00 0.15 18.88 0.00 19:30:07 4.00 0.06 3.39 0.55 7.81 113.70 5651.33 Average: 8.90 0.61 5.58 2.71 32.38 2223.27 41618.91 18:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:25 6373092 12082128 3869896 23.64 129020 5659336 3816204 21.90 604728 8928468 27968 18:50:01 6340644 12078912 3872968 23.65 129468 5687316 3817292 21.91 605132 8957556 224 19:00:25 6340380 12079192 3872724 23.65 129936 5687324 3817276 21.91 605636 8957344 68 19:10:25 6339708 12082364 3869500 23.63 130348 5690648 3817340 21.91 606060 8969964 192 19:20:01 6337720 12081008 3870780 23.64 130900 5690696 3817356 21.91 606604 8970436 212 19:30:07 10511432 15475404 477240 2.91 134732 4921088 981340 5.63 623064 4804136 29072 Average: 7040496 12646501 3305518 20.19 130734 5556068 3344468 19.20 608537 8264651 9623 18:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:25 lo 103.57 103.57 92.88 92.88 0.00 0.00 0.00 0.00 18:40:25 ens3 96.83 70.82 1105.26 10.27 0.00 0.00 0.00 0.00 18:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 18:50:01 ens3 0.27 0.10 0.05 0.02 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:25 ens3 0.25 0.10 0.07 0.04 0.00 0.00 0.00 0.00 19:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:10:25 ens3 0.19 0.10 0.04 0.02 0.00 0.00 0.00 0.00 19:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:20:01 ens3 0.24 0.10 0.07 0.04 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:07 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 19:30:07 ens3 1.65 1.51 1.28 1.14 0.00 0.00 0.00 0.00 19:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.68 17.68 15.77 15.77 0.00 0.00 0.00 0.00 Average: ens3 16.87 12.34 187.81 1.95 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-5634) 03/18/26 _x86_64_ (4 CPU) 18:28:41 LINUX RESTART (4 CPU) 18:30:15 CPU %user %nice %system %iowait %steal %idle 18:40:25 all 36.38 0.00 1.40 0.76 0.10 61.36 18:40:25 0 37.48 0.00 1.39 0.96 0.09 60.08 18:40:25 1 37.70 0.00 1.57 0.36 0.15 60.22 18:40:25 2 34.69 0.00 1.32 0.80 0.08 63.11 18:40:25 3 35.64 0.00 1.32 0.91 0.09 62.04 18:50:01 all 0.26 0.00 0.09 0.06 0.02 99.58 18:50:01 0 0.27 0.00 0.07 0.03 0.02 99.61 18:50:01 1 0.32 0.00 0.08 0.12 0.02 99.46 18:50:01 2 0.22 0.00 0.09 0.02 0.02 99.66 18:50:01 3 0.23 0.00 0.10 0.05 0.03 99.59 19:00:25 all 0.18 0.00 0.09 0.07 0.02 99.64 19:00:25 0 0.13 0.00 0.08 0.08 0.02 99.69 19:00:25 1 0.23 0.00 0.08 0.20 0.02 99.47 19:00:25 2 0.13 0.00 0.09 0.01 0.02 99.74 19:00:25 3 0.21 0.00 0.09 0.00 0.02 99.67 19:10:25 all 0.20 0.00 0.08 0.01 0.04 99.67 19:10:25 0 0.37 0.00 0.04 0.02 0.03 99.54 19:10:25 1 0.18 0.00 0.09 0.00 0.04 99.69 19:10:25 2 0.09 0.00 0.07 0.02 0.03 99.79 19:10:25 3 0.18 0.00 0.10 0.00 0.04 99.68 19:20:01 all 0.33 0.00 0.08 0.01 0.03 99.55 19:20:01 0 0.11 0.00 0.06 0.02 0.02 99.79 19:20:01 1 0.08 0.00 0.07 0.02 0.02 99.82 19:20:01 2 0.33 0.00 0.08 0.01 0.02 99.56 19:20:01 3 0.78 0.00 0.11 0.00 0.05 99.05 19:30:07 all 1.10 0.00 0.15 0.03 0.03 98.69 19:30:07 0 0.12 0.00 0.10 0.01 0.03 99.74 19:30:07 1 1.34 0.00 0.18 0.08 0.02 98.37 19:30:07 2 1.15 0.00 0.15 0.01 0.04 98.65 19:30:07 3 1.77 0.00 0.17 0.02 0.02 98.02 Average: all 6.52 0.00 0.32 0.16 0.04 92.96 Average: 0 6.53 0.00 0.30 0.19 0.03 92.95 Average: 1 6.76 0.00 0.35 0.13 0.05 92.71 Average: 2 6.21 0.00 0.30 0.15 0.03 93.30 Average: 3 6.57 0.00 0.32 0.17 0.04 92.90