---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5506 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 12G 67G 15% / 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 640 9409 4 5939 15006 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:c0:76:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84421sec preferred_lft 84421sec inet6 fe80::f816:3eff:fec0:768d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:9e:cc:7c:bb:dd 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5506) 01/28/26 _x86_64_ (4 CPU) 22:20:41 LINUX RESTART (4 CPU) 22:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:04 44.27 1.33 29.68 13.26 96.24 930.23 242977.42 22:50:04 51.49 3.40 45.44 2.65 176.16 9613.19 10103.77 Average: 47.88 2.36 37.56 7.96 136.20 5271.71 126540.59 22:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:04 12948028 15351072 634588 3.88 88840 2513704 1253408 7.19 411580 2725580 264096 22:50:04 7751684 12833668 3119828 19.05 139928 5025060 3299744 18.94 1324740 6864384 215772 Average: 10349856 14092370 1877208 11.47 114384 3769382 2276576 13.07 868160 4794982 239934 22:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:04 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 22:40:04 ens3 30.80 20.53 155.90 5.13 0.00 0.00 0.00 0.00 22:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:04 lo 1090.83 1090.83 1039.11 1039.11 0.00 0.00 0.00 0.00 22:50:04 ens3 119.18 89.59 1010.28 18.13 0.00 0.00 0.00 0.00 22:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 545.50 545.50 519.57 519.57 0.00 0.00 0.00 0.00 Average: ens3 74.99 55.06 583.09 11.63 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5506) 01/28/26 _x86_64_ (4 CPU) 22:20:41 LINUX RESTART (4 CPU) 22:30:04 CPU %user %nice %system %iowait %steal %idle 22:40:04 all 2.22 0.00 0.25 0.24 0.02 97.28 22:40:04 0 2.61 0.00 0.27 0.11 0.02 96.99 22:40:04 1 0.55 0.00 0.13 0.36 0.02 98.94 22:40:04 2 1.99 0.00 0.31 0.39 0.03 97.28 22:40:04 3 3.73 0.00 0.28 0.08 0.02 95.90 22:50:04 all 54.18 0.00 2.18 0.15 0.08 43.41 22:50:04 0 55.87 0.00 2.26 0.07 0.09 41.71 22:50:04 1 51.99 0.00 2.22 0.31 0.08 45.39 22:50:04 2 53.86 0.00 2.31 0.12 0.09 43.63 22:50:04 3 55.00 0.00 1.94 0.09 0.08 42.89 Average: all 28.16 0.00 1.21 0.19 0.05 70.39 Average: 0 29.19 0.00 1.26 0.09 0.05 69.41 Average: 1 26.21 0.00 1.17 0.34 0.05 72.24 Average: 2 27.90 0.00 1.31 0.25 0.06 70.48 Average: 3 29.33 0.00 1.11 0.08 0.05 69.43