---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8298 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: 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 12G 67G 15% / 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 744 9514 4 5730 14902 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:0c:45:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84183sec preferred_lft 84183sec inet6 fe80::f816:3eff:fe0c:45bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:dc:c9:79:a7:f4 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-8298) 04/26/26 _x86_64_ (4 CPU) 20:24:50 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:33 22.20 0.43 19.41 2.36 13.57 4792.28 9018.40 20:50:31 56.90 0.00 45.35 11.55 0.00 2706.81 7274.59 21:00:03 25.46 0.31 21.03 4.11 12.30 4596.82 9876.41 Average: 34.77 0.25 28.55 5.97 8.65 4036.63 8711.77 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:33 9344060 13480892 2472484 15.10 187000 4007400 2989388 17.16 751188 5826628 84540 20:50:31 8963468 13364720 2584684 15.79 210304 4218844 2738368 15.72 839276 6054292 13264 21:00:03 9879652 15377600 566728 3.46 239964 5228556 1095776 6.29 1203400 4715300 316 Average: 9395727 14074404 1874632 11.45 212423 4484933 2274511 13.06 931288 5532073 32707 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:33 lo 745.41 745.41 709.92 709.92 0.00 0.00 0.00 0.00 20:40:33 ens3 90.58 67.50 310.67 20.08 0.00 0.00 0.00 0.00 20:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:31 lo 5581.37 5581.37 5322.66 5322.66 0.00 0.00 0.00 0.00 20:50:31 ens3 75.52 58.33 25.68 19.55 0.00 0.00 0.00 0.00 20:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 1774.95 1774.95 1669.02 1669.02 0.00 0.00 0.00 0.00 21:00:03 ens3 128.28 127.29 129.25 226.39 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2681.17 2681.17 2549.03 2549.03 0.00 0.00 0.00 0.00 Average: ens3 97.57 83.49 158.15 85.59 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-8298) 04/26/26 _x86_64_ (4 CPU) 20:24:50 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:33 all 68.99 0.00 2.59 0.04 0.09 28.29 20:40:33 0 69.65 0.00 2.58 0.04 0.09 27.64 20:40:33 1 68.11 0.00 2.34 0.04 0.10 29.41 20:40:33 2 69.26 0.00 2.57 0.04 0.09 28.03 20:40:33 3 68.92 0.00 2.89 0.03 0.09 28.06 20:50:31 all 62.11 0.00 4.13 0.10 0.09 33.58 20:50:31 0 60.93 0.00 4.21 0.10 0.08 34.68 20:50:31 1 61.75 0.00 4.04 0.14 0.09 33.99 20:50:31 2 62.76 0.00 4.17 0.07 0.08 32.91 20:50:31 3 63.00 0.00 4.10 0.08 0.09 32.73 21:00:03 all 46.70 0.00 2.30 0.08 0.08 50.84 21:00:03 0 41.39 0.00 2.34 0.03 0.07 56.17 21:00:03 1 49.87 0.00 2.27 0.16 0.08 47.62 21:00:03 2 46.40 0.00 1.97 0.11 0.08 51.43 21:00:03 3 49.17 0.00 2.62 0.03 0.08 48.10 Average: all 59.60 0.00 3.01 0.07 0.09 37.24 Average: 0 57.73 0.00 3.04 0.06 0.08 39.09 Average: 1 60.18 0.00 2.88 0.11 0.09 36.73 Average: 2 59.82 0.00 2.91 0.08 0.09 37.11 Average: 3 60.66 0.00 3.20 0.05 0.09 36.00