---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443809 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: 5600.00 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 661 10596 4 4730 14984 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:fc:60:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84639sec preferred_lft 84639sec inet6 fe80::f816:3eff:fefc:6003/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:3f:43:10:82:6e 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-443809) 03/11/26 _x86_64_ (4 CPU) 15:04:19 LINUX RESTART (4 CPU) 15:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:10 26.57 1.99 10.40 14.17 129.65 3127.68 240473.50 15:30:01 32.60 1.00 27.64 3.96 34.44 4576.98 3315.81 Average: 29.56 1.50 18.95 9.11 82.42 3846.61 122830.72 15:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:10 10520008 13828000 2131832 13.02 138008 3291432 2374344 13.63 591668 4875596 23468 15:30:01 10901428 15384292 567104 3.46 170608 4346896 1091200 6.26 908196 4066480 148 Average: 10710718 14606146 1349468 8.24 154308 3819164 1732772 9.95 749932 4471038 11808 15:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:10 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 15:20:10 ens3 66.07 54.36 446.60 12.87 0.00 0.00 0.00 0.00 15:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 1568.23 1568.23 1491.52 1491.52 0.00 0.00 0.00 0.00 15:30:01 ens3 76.05 63.60 430.66 73.13 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 778.61 778.61 739.94 739.94 0.00 0.00 0.00 0.00 Average: ens3 71.02 58.94 438.69 42.77 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-443809) 03/11/26 _x86_64_ (4 CPU) 15:04:19 LINUX RESTART (4 CPU) 15:10:10 CPU %user %nice %system %iowait %steal %idle 15:20:10 all 73.51 0.00 2.41 0.05 0.09 23.94 15:20:10 0 73.99 0.00 2.72 0.04 0.09 23.16 15:20:10 1 75.09 0.00 2.56 0.06 0.09 22.20 15:20:10 2 74.10 0.00 2.10 0.05 0.09 23.67 15:20:10 3 70.86 0.00 2.26 0.06 0.09 26.73 15:30:01 all 63.52 0.00 2.78 0.09 0.08 33.53 15:30:01 0 62.84 0.00 2.90 0.06 0.08 34.12 15:30:01 1 68.59 0.00 2.94 0.03 0.08 28.35 15:30:01 2 60.79 0.00 2.58 0.13 0.08 36.42 15:30:01 3 61.86 0.00 2.70 0.12 0.08 35.24 Average: all 68.56 0.00 2.59 0.07 0.08 28.70 Average: 0 68.46 0.00 2.81 0.05 0.08 28.60 Average: 1 71.87 0.00 2.75 0.05 0.08 25.25 Average: 2 67.50 0.00 2.33 0.09 0.08 29.99 Average: 3 66.39 0.00 2.48 0.09 0.08 30.95