---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8272 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 628 10570 4 4790 15018 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:2e:20:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:fe2e:20ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:99:5d:94:30:83 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-8272) 03/23/26 _x86_64_ (4 CPU) 07:11:53 LINUX RESTART (4 CPU) 07:20:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:41 3.79 0.07 3.54 0.17 7.09 629.31 20.89 07:40:25 20.36 0.53 18.30 1.53 19.52 2552.89 12493.23 Average: 11.95 0.30 10.82 0.84 13.22 1577.71 6170.28 07:20:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:41 9741072 12753032 3210768 19.61 113860 3060260 3411736 19.58 504680 5792516 404 07:40:25 10920532 15456648 500896 3.06 134356 4504052 1004316 5.76 871956 4146520 1067164 Average: 10330802 14104840 1855832 11.33 124108 3782156 2208026 12.67 688318 4969518 533784 07:20:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:41 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 07:30:41 ens3 8.32 6.99 36.05 2.05 0.00 0.00 0.00 0.00 07:30:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:25 lo 457.19 457.19 435.07 435.07 0.00 0.00 0.00 0.00 07:40:25 ens3 45.08 33.79 495.56 5.23 0.00 0.00 0.00 0.00 07:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.72 225.72 214.70 214.70 0.00 0.00 0.00 0.00 Average: ens3 26.45 20.20 262.61 3.62 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-8272) 03/23/26 _x86_64_ (4 CPU) 07:11:53 LINUX RESTART (4 CPU) 07:20:41 CPU %user %nice %system %iowait %steal %idle 07:30:41 all 48.28 0.00 0.70 0.02 0.08 50.92 07:30:41 0 41.30 0.00 0.64 0.03 0.08 57.94 07:30:41 1 49.70 0.00 0.71 0.00 0.08 49.51 07:30:41 2 40.17 0.00 0.68 0.01 0.07 59.07 07:30:41 3 61.99 0.00 0.77 0.03 0.08 37.14 07:40:25 all 51.93 0.00 1.41 0.05 0.08 46.53 07:40:25 0 75.46 0.00 1.27 0.08 0.09 23.10 07:40:25 1 41.37 0.00 1.45 0.05 0.08 57.05 07:40:25 2 43.33 0.00 1.32 0.01 0.08 55.26 07:40:25 3 47.56 0.00 1.60 0.05 0.08 50.71 Average: all 50.08 0.00 1.05 0.03 0.08 48.76 Average: 0 58.15 0.00 0.95 0.05 0.08 40.76 Average: 1 45.60 0.00 1.07 0.03 0.08 53.23 Average: 2 41.73 0.00 1.00 0.01 0.08 57.19 Average: 3 54.88 0.00 1.18 0.04 0.08 43.83