---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488751 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 615 10406 4 4966 15030 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:b7:f5:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84717sec preferred_lft 84717sec inet6 fe80::f816:3eff:feb7:f594/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:bf:5e:82:aa: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-488751) 03/16/26 _x86_64_ (4 CPU) 09:34:02 LINUX RESTART (4 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:02 3.91 0.10 3.64 0.17 8.46 643.40 46.79 10:00:02 15.86 0.51 14.19 1.16 18.97 2234.91 6661.21 Average: 9.88 0.31 8.91 0.66 13.71 1438.72 3352.21 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:02 7835000 10987272 4974736 30.38 115504 3199340 5126792 29.43 562400 7630136 356 10:00:02 8928180 12794620 3162740 19.32 136316 3853560 3431632 19.70 787204 6269300 264776 Average: 8381590 11890946 4068738 24.85 125910 3526450 4279212 24.56 674802 6949718 132566 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:02 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 09:50:02 ens3 11.76 9.51 77.29 2.28 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 393.22 393.22 374.56 374.56 0.00 0.00 0.00 0.00 10:00:02 ens3 33.48 24.73 409.20 3.65 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 196.81 196.81 187.37 187.37 0.00 0.00 0.00 0.00 Average: ens3 22.61 17.12 243.15 2.96 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-488751) 03/16/26 _x86_64_ (4 CPU) 09:34:02 LINUX RESTART (4 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:02 all 46.84 0.00 0.66 0.02 0.08 52.40 09:50:02 0 43.74 0.00 0.65 0.01 0.08 55.52 09:50:02 1 39.12 0.00 0.56 0.04 0.08 60.20 09:50:02 2 64.81 0.00 0.77 0.02 0.09 34.31 09:50:02 3 39.70 0.00 0.66 0.01 0.08 59.54 10:00:02 all 54.68 0.00 1.17 0.05 0.08 44.01 10:00:02 0 54.86 0.00 1.00 0.05 0.08 44.01 10:00:02 1 58.43 0.00 1.31 0.03 0.08 40.16 10:00:02 2 61.28 0.00 1.30 0.10 0.09 37.24 10:00:02 3 44.17 0.00 1.09 0.05 0.08 54.60 Average: all 50.76 0.00 0.92 0.04 0.08 48.21 Average: 0 49.30 0.00 0.82 0.03 0.08 49.77 Average: 1 48.77 0.00 0.93 0.03 0.08 50.19 Average: 2 63.05 0.00 1.03 0.06 0.09 35.78 Average: 3 41.94 0.00 0.88 0.03 0.08 57.08