---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25815 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 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 641 10601 4 4746 15005 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:ed:c1:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82892sec preferred_lft 82892sec inet6 fe80::f816:3eff:feed:c14a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:4e:79:d5:ec:5a 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-25815) 06/08/26 _x86_64_ (4 CPU) 06:36:34 LINUX RESTART (4 CPU) 06:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:01 1.37 0.02 1.35 0.01 0.57 365.69 710.53 07:00:01 1.25 0.00 1.25 0.00 0.04 14.04 0.00 07:10:20 1.17 0.00 1.17 0.00 0.00 13.29 0.00 07:20:01 32.69 2.29 29.78 0.62 136.59 2530.02 1326.39 07:30:01 25.36 2.62 19.88 2.86 145.81 3649.30 11570.58 Average: 12.17 0.97 10.50 0.69 55.72 1298.19 2712.61 06:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:01 13418664 15526640 487804 2.98 60240 2271948 1146988 6.58 360888 2345316 204 07:00:01 13417656 15526028 488388 2.98 60604 2271960 1155244 6.63 361268 2346784 148 07:10:20 13416680 15525416 488960 2.99 60976 2271968 1155244 6.63 361636 2348176 168 07:20:01 12734396 15503512 473168 2.89 97668 2863556 998780 5.73 476452 2840680 1552 07:30:01 9520688 13415400 2541940 15.53 148712 3862108 2774840 15.93 776844 5687452 113156 Average: 12501617 15099399 896052 5.47 85640 2708308 1446219 8.30 467418 3113682 23046 06:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:50:01 ens3 0.31 0.09 0.05 0.02 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:00:01 ens3 0.33 0.10 0.07 0.04 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:10:20 ens3 0.39 0.11 0.08 0.04 0.00 0.00 0.00 0.00 07:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 07:20:01 ens3 44.14 33.06 319.11 8.01 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 1416.64 1416.64 1350.81 1350.81 0.00 0.00 0.00 0.00 07:30:01 ens3 104.24 81.15 802.39 19.08 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 283.39 283.39 270.12 270.12 0.00 0.00 0.00 0.00 Average: ens3 29.60 22.69 222.26 5.39 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-25815) 06/08/26 _x86_64_ (4 CPU) 06:36:34 LINUX RESTART (4 CPU) 06:40:00 CPU %user %nice %system %iowait %steal %idle 06:50:01 all 0.12 0.00 0.08 0.01 0.06 99.73 06:50:01 0 0.03 0.00 0.01 0.00 0.22 99.74 06:50:01 1 0.03 0.00 0.29 0.01 0.01 99.67 06:50:01 2 0.03 0.00 0.03 0.01 0.01 99.91 06:50:01 3 0.38 0.00 0.01 0.02 0.00 99.59 07:00:01 all 0.14 0.00 0.03 0.08 0.01 99.75 07:00:01 0 0.09 0.00 0.01 0.01 0.01 99.88 07:00:01 1 0.40 0.00 0.03 0.10 0.01 99.46 07:00:01 2 0.04 0.00 0.03 0.19 0.01 99.74 07:00:01 3 0.03 0.00 0.03 0.00 0.01 99.93 07:10:20 all 0.11 0.00 0.03 0.03 0.01 99.83 07:10:20 0 0.36 0.00 0.02 0.00 0.01 99.62 07:10:20 1 0.02 0.00 0.02 0.11 0.01 99.84 07:10:20 2 0.02 0.00 0.02 0.00 0.00 99.95 07:10:20 3 0.04 0.00 0.04 0.00 0.01 99.91 07:20:01 all 3.01 0.00 0.37 0.77 0.02 95.83 07:20:01 0 2.51 0.00 0.35 0.70 0.02 96.43 07:20:01 1 4.73 0.00 0.54 0.95 0.03 93.76 07:20:01 2 3.45 0.00 0.33 0.13 0.02 96.07 07:20:01 3 1.34 0.00 0.27 1.30 0.02 97.08 07:30:01 all 58.81 0.00 2.44 0.08 0.12 38.54 07:30:01 0 59.85 0.00 2.27 0.10 0.12 37.67 07:30:01 1 58.39 0.00 2.56 0.08 0.12 38.85 07:30:01 2 59.52 0.00 2.51 0.09 0.12 37.75 07:30:01 3 57.49 0.00 2.43 0.06 0.12 39.90 Average: all 12.39 0.00 0.59 0.19 0.04 86.80 Average: 0 12.51 0.00 0.53 0.16 0.07 86.73 Average: 1 12.65 0.00 0.68 0.25 0.03 86.39 Average: 2 12.56 0.00 0.58 0.08 0.03 86.74 Average: 3 11.82 0.00 0.55 0.27 0.03 87.33