---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-868 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 689 9541 4 5758 14957 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:3f:f8:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83946sec preferred_lft 83946sec inet6 fe80::f816:3eff:fe3f:f8e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:cb:d5:f4:b3:03 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-868) 03/17/26 _x86_64_ (4 CPU) 13:55:14 LINUX RESTART (4 CPU) 14:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:11 29.78 4.43 24.69 0.65 262.90 3395.95 977.45 14:20:14 20.10 0.32 16.46 3.31 13.04 2382.73 33581.51 14:30:14 21.80 0.16 18.23 3.41 4.67 1579.64 26112.97 Average: 23.87 1.63 19.78 2.46 93.08 2450.96 20282.48 14:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:11 10950812 14084052 1878360 11.47 108588 3174484 2279464 13.08 584028 4472884 388452 14:20:14 9856648 13249320 2709964 16.55 127292 3391248 2931996 16.83 664476 5463532 44 14:30:14 9168856 12895924 3060228 18.69 145476 3685420 3113392 17.87 786136 6010940 21596 Average: 9992105 13409765 2549517 15.57 127119 3417051 2774951 15.93 678213 5315785 136697 14:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:11 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 14:10:11 ens3 84.24 65.44 901.43 11.62 0.00 0.00 0.00 0.00 14:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:14 lo 29.81 29.81 7.01 7.01 0.00 0.00 0.00 0.00 14:20:14 ens3 18.06 14.45 16.43 9.14 0.00 0.00 0.00 0.00 14:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:14 lo 1383.77 1383.77 1294.76 1294.76 0.00 0.00 0.00 0.00 14:30:14 ens3 36.43 25.71 263.17 5.74 0.00 0.00 0.00 0.00 14:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 471.38 471.38 433.95 433.95 0.00 0.00 0.00 0.00 Average: ens3 46.12 35.11 392.09 8.83 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-868) 03/17/26 _x86_64_ (4 CPU) 13:55:14 LINUX RESTART (4 CPU) 14:00:14 CPU %user %nice %system %iowait %steal %idle 14:10:11 all 10.99 0.00 0.72 0.72 0.04 87.53 14:10:11 0 10.88 0.00 0.64 1.25 0.04 87.19 14:10:11 1 8.73 0.00 0.41 0.28 0.04 90.54 14:10:11 2 10.86 0.00 0.59 0.82 0.04 87.69 14:10:11 3 13.47 0.00 1.23 0.55 0.03 84.72 14:20:14 all 33.72 0.00 1.11 1.05 0.11 64.00 14:20:14 0 33.66 0.00 1.08 1.14 0.11 64.01 14:20:14 1 34.91 0.00 1.12 1.42 0.11 62.44 14:20:14 2 34.40 0.00 1.20 1.20 0.12 63.08 14:20:14 3 31.92 0.00 1.04 0.46 0.11 66.48 14:30:14 all 32.56 0.00 1.66 1.06 0.10 64.62 14:30:14 0 32.35 0.00 1.54 1.69 0.10 64.32 14:30:14 1 32.91 0.00 1.80 0.53 0.09 64.66 14:30:14 2 31.90 0.00 1.72 0.63 0.10 65.64 14:30:14 3 33.08 0.00 1.59 1.40 0.10 63.84 Average: all 25.78 0.00 1.16 0.95 0.08 72.03 Average: 0 25.65 0.00 1.09 1.36 0.08 71.82 Average: 1 25.54 0.00 1.11 0.74 0.08 72.52 Average: 2 25.74 0.00 1.17 0.88 0.09 72.11 Average: 3 26.17 0.00 1.28 0.80 0.08 71.67