---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427549 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 632 10121 4 5234 15014 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:75:cf:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84453sec preferred_lft 84453sec inet6 fe80::f816:3eff:fe75:cfe7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:05:a3:a8:d1:16 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-427549) 03/10/26 _x86_64_ (4 CPU) 13:29:00 LINUX RESTART (4 CPU) 13:30:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 65.84 3.55 54.35 7.94 186.82 5031.28 167974.29 13:50:01 10.69 0.01 8.89 1.79 0.31 766.02 32737.65 14:00:16 33.57 0.51 28.31 4.75 18.05 6294.94 11278.58 Average: 36.25 1.32 30.15 4.78 66.24 4035.92 68737.82 13:30:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 9829600 13004548 2956620 18.06 149248 3169416 3274088 18.79 654476 5514908 5204 13:50:01 9673928 13029772 2929876 17.89 158644 3323152 3356432 19.27 692872 5630536 2044 14:00:16 10378564 15382004 567960 3.47 195668 4849400 1095092 6.29 1327368 4174388 40 Average: 9960697 13805441 2151485 13.14 167853 3780656 2575204 14.78 891572 5106611 2429 13:30:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 17.16 17.16 3.77 3.77 0.00 0.00 0.00 0.00 13:40:01 ens3 84.25 63.51 676.57 13.56 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 13:50:01 lo 51.26 51.26 13.15 13.15 0.00 0.00 0.00 0.00 13:50:01 ens3 8.58 6.22 4.55 1.84 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:16 lo 2270.13 2270.13 2184.61 2184.61 0.00 0.00 0.00 0.00 14:00:16 ens3 106.20 97.80 460.61 581.99 0.00 0.00 0.00 0.00 14:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 803.51 803.51 757.02 757.02 0.00 0.00 0.00 0.00 Average: ens3 66.43 56.10 376.99 205.14 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-427549) 03/10/26 _x86_64_ (4 CPU) 13:29:00 LINUX RESTART (4 CPU) 13:30:27 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 37.18 0.00 1.49 0.51 0.09 60.73 13:40:01 0 39.07 0.00 1.64 0.86 0.09 58.34 13:40:01 1 37.32 0.00 1.49 0.19 0.09 60.91 13:40:01 2 35.52 0.00 1.31 0.47 0.10 62.60 13:40:01 3 36.81 0.00 1.51 0.52 0.09 61.07 13:50:01 all 17.27 0.00 0.84 0.07 0.08 81.74 13:50:01 0 17.67 0.00 0.79 0.03 0.08 81.43 13:50:01 1 16.82 0.00 0.89 0.06 0.09 82.14 13:50:01 2 17.94 0.00 0.80 0.04 0.08 81.14 13:50:01 3 16.66 0.00 0.87 0.14 0.08 82.25 14:00:16 all 50.84 0.00 2.51 0.12 0.09 46.45 14:00:16 0 48.05 0.00 2.42 0.12 0.09 49.33 14:00:16 1 51.31 0.00 2.76 0.08 0.09 45.77 14:00:16 2 51.20 0.00 2.48 0.11 0.09 46.13 14:00:16 3 52.80 0.00 2.37 0.17 0.09 44.57 Average: all 35.19 0.00 1.62 0.23 0.09 62.88 Average: 0 34.98 0.00 1.62 0.32 0.09 62.99 Average: 1 35.25 0.00 1.73 0.11 0.09 62.83 Average: 2 35.01 0.00 1.54 0.20 0.09 63.16 Average: 3 35.52 0.00 1.59 0.27 0.09 62.53