---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5621 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 678 10384 4 4926 14967 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:bb:62:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84602sec preferred_lft 84602sec inet6 fe80::f816:3eff:febb:62bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:3f:a1:31:80:89 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-5621) 03/18/26 _x86_64_ (4 CPU) 18:21:36 LINUX RESTART (4 CPU) 18:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:10 9.89 0.49 8.40 1.00 18.44 2395.89 308.73 18:50:01 26.40 0.72 21.71 3.97 23.89 3629.25 3805.90 Average: 18.08 0.60 15.00 2.48 21.15 3007.90 2044.06 18:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:10 9474528 13256320 2699856 16.49 156336 3712084 3011624 17.29 735864 5741100 26632 18:50:01 10686144 15370184 579736 3.54 177692 4536192 1113460 6.39 976292 4211148 216 Average: 10080336 14313252 1639796 10.02 167014 4124138 2062542 11.84 856078 4976124 13424 18:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:10 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 18:40:10 ens3 63.12 50.13 139.71 16.87 0.00 0.00 0.00 0.00 18:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1653.09 1653.09 1565.88 1565.88 0.00 0.00 0.00 0.00 18:50:01 ens3 106.47 95.53 413.22 167.13 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 820.97 820.97 777.08 777.08 0.00 0.00 0.00 0.00 Average: ens3 84.63 72.66 275.43 91.43 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-5621) 03/18/26 _x86_64_ (4 CPU) 18:21:36 LINUX RESTART (4 CPU) 18:30:10 CPU %user %nice %system %iowait %steal %idle 18:40:10 all 71.43 0.00 2.23 0.61 0.13 25.60 18:40:10 0 68.88 0.00 1.89 1.16 0.12 27.94 18:40:10 1 72.02 0.00 2.20 0.16 0.13 25.49 18:40:10 2 71.23 0.00 2.41 1.06 0.12 25.18 18:40:10 3 73.58 0.00 2.44 0.06 0.13 23.79 18:50:01 all 41.92 0.00 2.03 0.11 0.10 55.84 18:50:01 0 36.25 0.00 1.47 0.04 0.09 62.15 18:50:01 1 46.07 0.00 2.26 0.11 0.10 51.46 18:50:01 2 40.63 0.00 1.91 0.23 0.10 57.13 18:50:01 3 44.74 0.00 2.47 0.08 0.10 52.62 Average: all 56.78 0.00 2.13 0.36 0.11 40.61 Average: 0 52.69 0.00 1.69 0.60 0.11 44.92 Average: 1 59.14 0.00 2.23 0.14 0.11 38.38 Average: 2 56.04 0.00 2.16 0.65 0.11 41.04 Average: 3 59.26 0.00 2.45 0.07 0.12 38.11