---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15452 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 619 10574 4 4795 15027 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:91:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fefc:91d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:98:ff:58:5e:5d 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-15452) 03/23/26 _x86_64_ (4 CPU) 18:33:58 LINUX RESTART (4 CPU) 18:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:02 3.78 0.07 3.55 0.16 7.21 628.70 18.93 19:00:03 23.86 0.80 20.88 2.18 30.28 6091.77 12485.21 Average: 13.81 0.44 12.21 1.17 18.74 3358.39 6247.87 18:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:02 9614596 12637900 3325412 20.31 114884 3068752 3554372 20.40 509604 5896844 184 19:00:03 10838908 15391632 565364 3.45 137364 4517104 1108380 6.36 880604 4224636 160 Average: 10226752 14014766 1945388 11.88 126124 3792928 2331376 13.38 695104 5060740 172 18:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:02 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 18:50:02 ens3 9.29 8.04 36.48 2.24 0.00 0.00 0.00 0.00 18:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:03 lo 515.75 515.75 489.89 489.89 0.00 0.00 0.00 0.00 19:00:03 ens3 55.93 45.43 485.89 50.71 0.00 0.00 0.00 0.00 19:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 258.01 258.01 244.97 244.97 0.00 0.00 0.00 0.00 Average: ens3 32.60 26.73 261.03 26.46 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-15452) 03/23/26 _x86_64_ (4 CPU) 18:33:58 LINUX RESTART (4 CPU) 18:40:01 CPU %user %nice %system %iowait %steal %idle 18:50:02 all 46.86 0.00 0.65 0.02 0.08 52.40 18:50:02 0 43.89 0.00 0.58 0.01 0.07 55.45 18:50:02 1 54.18 0.00 0.65 0.03 0.08 45.05 18:50:02 2 48.44 0.00 0.86 0.02 0.08 50.59 18:50:02 3 40.92 0.00 0.50 0.01 0.06 58.50 19:00:03 all 47.42 0.00 1.40 0.10 0.07 51.01 19:00:03 0 46.59 0.00 1.39 0.05 0.07 51.91 19:00:03 1 41.53 0.00 1.68 0.24 0.08 56.46 19:00:03 2 60.57 0.00 1.38 0.02 0.08 37.95 19:00:03 3 41.01 0.00 1.15 0.07 0.07 57.69 Average: all 47.14 0.00 1.02 0.06 0.08 51.70 Average: 0 45.24 0.00 0.98 0.03 0.07 53.68 Average: 1 47.86 0.00 1.17 0.13 0.08 50.75 Average: 2 54.50 0.00 1.12 0.02 0.08 44.27 Average: 3 40.97 0.00 0.83 0.04 0.07 58.10