---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-494315 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 636 10564 4 4788 15010 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:66:13:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84849sec preferred_lft 84849sec inet6 fe80::f816:3eff:fe66:13a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:fd:26:bf:b5:9f 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-494315) 03/16/26 _x86_64_ (4 CPU) 18:06:20 LINUX RESTART (4 CPU) 18:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:01 3.93 0.14 3.61 0.17 10.57 649.81 221.29 18:30:03 16.14 0.52 14.45 1.18 18.96 2238.78 7951.03 Average: 10.07 0.33 9.06 0.68 14.79 1448.94 4108.72 18:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 8334256 11302236 4661360 28.47 111948 3022160 4864060 27.92 489836 7213688 220 18:30:03 9116988 12806280 3152956 19.26 134016 3681740 3314704 19.03 716708 6148560 265912 Average: 8725622 12054258 3907158 23.86 122982 3351950 4089382 23.47 603272 6681124 133066 18:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 18:20:01 ens3 10.67 9.35 77.96 2.37 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 lo 379.53 379.53 361.33 361.33 0.00 0.00 0.00 0.00 18:30:03 ens3 34.45 25.61 408.95 3.59 0.00 0.00 0.00 0.00 18:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 191.18 191.18 181.91 181.91 0.00 0.00 0.00 0.00 Average: ens3 22.63 17.52 244.42 2.98 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-494315) 03/16/26 _x86_64_ (4 CPU) 18:06:20 LINUX RESTART (4 CPU) 18:10:07 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 47.05 0.00 0.67 0.02 0.09 52.17 18:20:01 0 53.47 0.00 0.59 0.02 0.09 45.83 18:20:01 1 43.38 0.00 0.82 0.01 0.09 55.69 18:20:01 2 55.41 0.00 0.72 0.02 0.09 43.77 18:20:01 3 35.94 0.00 0.57 0.05 0.07 63.37 18:30:03 all 52.33 0.00 1.21 0.04 0.09 46.33 18:30:03 0 44.06 0.00 1.15 0.04 0.08 54.67 18:30:03 1 42.48 0.00 1.14 0.06 0.08 56.24 18:30:03 2 43.71 0.00 1.15 0.02 0.08 55.04 18:30:03 3 79.13 0.00 1.39 0.05 0.10 19.34 Average: all 49.71 0.00 0.94 0.03 0.09 49.23 Average: 0 48.74 0.00 0.87 0.03 0.09 50.27 Average: 1 42.93 0.00 0.98 0.03 0.09 55.97 Average: 2 49.53 0.00 0.94 0.02 0.08 49.43 Average: 3 57.63 0.00 0.98 0.05 0.09 41.25