---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4249 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 11G 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 744 9429 4 5814 14901 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:81:85:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84572sec preferred_lft 84572sec inet6 fe80::f816:3eff:fe81:8596/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:75:c2:25:45:c2 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-4249) 01/25/26 _x86_64_ (4 CPU) 20:46:20 LINUX RESTART (4 CPU) 20:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 30.14 2.57 25.24 2.34 724.81 5872.71 19362.33 21:10:08 34.88 0.04 31.02 3.82 1.24 5495.00 59552.68 Average: 32.54 1.29 28.16 3.09 358.75 5681.62 39694.77 20:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 9255028 13393912 2559112 15.63 166712 4046952 2923012 16.78 976440 5698456 26068 21:10:08 7537784 12884868 3063292 18.71 183036 5186032 3241824 18.61 1226900 7105736 30336 Average: 8396406 13139390 2811202 17.17 174874 4616492 3082418 17.69 1101670 6402096 28202 20:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 704.03 704.03 669.83 669.83 0.00 0.00 0.00 0.00 21:00:01 ens3 84.88 61.84 696.28 15.43 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:08 lo 1348.49 1348.49 1284.61 1284.61 0.00 0.00 0.00 0.00 21:10:08 ens3 55.34 41.57 212.80 14.12 0.00 0.00 0.00 0.00 21:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1030.06 1030.06 980.85 980.85 0.00 0.00 0.00 0.00 Average: ens3 69.93 51.58 451.69 14.76 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-4249) 01/25/26 _x86_64_ (4 CPU) 20:46:20 LINUX RESTART (4 CPU) 20:50:08 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 59.57 0.00 2.24 0.15 0.10 37.94 21:00:01 0 59.29 0.00 2.18 0.22 0.10 38.22 21:00:01 1 62.04 0.00 2.54 0.13 0.10 35.19 21:00:01 2 60.42 0.00 2.08 0.15 0.10 37.25 21:00:01 3 56.53 0.00 2.16 0.10 0.10 41.12 21:10:08 all 59.89 0.00 2.49 0.13 0.10 37.39 21:10:08 0 56.94 0.00 2.60 0.10 0.10 40.25 21:10:08 1 64.09 0.00 2.56 0.11 0.10 33.13 21:10:08 2 60.80 0.00 2.43 0.16 0.10 36.51 21:10:08 3 57.71 0.00 2.38 0.15 0.10 39.65 Average: all 59.73 0.00 2.37 0.14 0.10 37.66 Average: 0 58.10 0.00 2.39 0.16 0.10 39.24 Average: 1 63.08 0.00 2.55 0.12 0.10 34.15 Average: 2 60.61 0.00 2.25 0.16 0.10 36.88 Average: 3 57.13 0.00 2.27 0.12 0.10 40.38