---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2309 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 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 737 9523 4 5727 14908 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:b4:09:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84169sec preferred_lft 84169sec inet6 fe80::f816:3eff:feb4:9bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:9b:c9:70:34:03 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-2309) 04/12/26 _x86_64_ (4 CPU) 20:24:10 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 29.80 0.44 25.94 3.41 13.94 4660.37 10354.38 20:50:12 64.69 0.00 40.67 24.02 0.16 2609.47 258432.02 21:00:08 22.55 0.30 18.87 3.39 11.79 4230.67 6447.97 Average: 39.16 0.25 28.57 10.34 8.59 3828.17 92586.11 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9276952 13345424 2607768 15.93 183908 3942960 2746744 15.77 751996 5858528 12100 20:50:12 8500520 12959948 2989180 18.26 211920 4267860 3222060 18.49 856860 6525040 40264 21:00:08 9968396 15466416 478240 2.92 238860 5229596 996420 5.72 1207720 4623544 120 Average: 9248623 13923929 2025063 12.37 211563 4480139 2321741 13.33 938859 5669037 17495 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1517.57 1517.57 1446.74 1446.74 0.00 0.00 0.00 0.00 20:40:03 ens3 94.45 70.47 320.36 20.38 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:12 lo 5296.73 5296.73 5049.84 5049.84 0.00 0.00 0.00 0.00 20:50:12 ens3 78.78 56.98 25.87 19.31 0.00 0.00 0.00 0.00 20:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 1450.27 1450.27 1359.74 1359.74 0.00 0.00 0.00 0.00 21:00:08 ens3 142.89 147.47 130.75 587.62 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2767.70 2767.70 2631.10 2631.10 0.00 0.00 0.00 0.00 Average: ens3 105.15 91.32 158.67 207.11 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-2309) 04/12/26 _x86_64_ (4 CPU) 20:24:10 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 66.47 0.00 2.81 0.06 0.10 30.56 20:40:03 0 65.65 0.00 2.75 0.06 0.10 31.44 20:40:03 1 67.25 0.00 2.79 0.05 0.10 29.81 20:40:03 2 66.38 0.00 2.91 0.08 0.10 30.52 20:40:03 3 66.58 0.00 2.79 0.04 0.10 30.49 20:50:12 all 60.67 0.00 4.11 0.83 0.11 34.29 20:50:12 0 60.68 0.00 4.03 0.64 0.11 34.54 20:50:12 1 60.82 0.00 4.83 0.61 0.11 33.63 20:50:12 2 61.48 0.00 3.94 1.42 0.11 33.05 20:50:12 3 59.68 0.00 3.66 0.64 0.10 35.92 21:00:08 all 43.45 0.00 1.99 0.24 0.08 54.23 21:00:08 0 42.91 0.00 1.79 0.05 0.08 55.17 21:00:08 1 41.69 0.00 2.25 0.05 0.08 55.93 21:00:08 2 44.40 0.00 1.88 0.36 0.09 53.27 21:00:08 3 44.80 0.00 2.06 0.51 0.08 52.55 Average: all 56.92 0.00 2.98 0.38 0.10 39.63 Average: 0 56.47 0.00 2.86 0.25 0.10 40.32 Average: 1 56.64 0.00 3.30 0.24 0.10 39.73 Average: 2 57.49 0.00 2.92 0.63 0.10 38.87 Average: 3 57.07 0.00 2.84 0.40 0.10 39.59