---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1219 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 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 633 10403 4 4952 15013 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:c6:64:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84593sec preferred_lft 84593sec inet6 fe80::f816:3eff:fec6:64ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:29:58:57:df:fc 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-1219) 01/16/26 _x86_64_ (4 CPU) 10:21:28 LINUX RESTART (4 CPU) 10:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:14 3.68 0.07 3.44 0.17 7.01 525.82 82.79 10:50:01 20.12 0.54 18.05 1.53 19.71 2455.88 8760.14 Average: 11.84 0.30 10.69 0.84 13.31 1483.72 4389.42 10:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:14 10613408 13789820 2172120 13.27 114372 3228484 2412872 13.85 656864 4766088 26828 10:50:01 9991556 13592332 2365532 14.45 136328 3603684 2504204 14.37 832980 5152208 11072 Average: 10302482 13691076 2268826 13.86 125350 3416084 2458538 14.11 744922 4959148 18950 10:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:14 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 10:40:14 ens3 9.95 7.83 36.41 2.15 0.00 0.00 0.00 0.00 10:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 460.62 460.62 438.64 438.64 0.00 0.00 0.00 0.00 10:50:01 ens3 36.83 25.35 417.03 3.72 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 228.91 228.91 217.89 217.89 0.00 0.00 0.00 0.00 Average: ens3 23.29 16.52 225.32 2.93 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-1219) 01/16/26 _x86_64_ (4 CPU) 10:21:28 LINUX RESTART (4 CPU) 10:30:18 CPU %user %nice %system %iowait %steal %idle 10:40:14 all 46.56 0.00 0.68 0.02 0.07 52.66 10:40:14 0 42.29 0.00 0.54 0.01 0.07 57.09 10:40:14 1 43.34 0.00 0.65 0.01 0.07 55.93 10:40:14 2 40.99 0.00 0.73 0.03 0.07 58.18 10:40:14 3 59.62 0.00 0.81 0.02 0.08 39.46 10:50:01 all 53.68 0.00 1.31 0.06 0.08 44.87 10:50:01 0 42.84 0.00 1.02 0.04 0.08 56.02 10:50:01 1 63.54 0.00 1.32 0.05 0.08 35.01 10:50:01 2 61.47 0.00 1.47 0.03 0.08 36.94 10:50:01 3 46.88 0.00 1.43 0.12 0.08 51.50 Average: all 50.09 0.00 1.00 0.04 0.07 48.80 Average: 0 42.56 0.00 0.78 0.03 0.07 56.56 Average: 1 53.36 0.00 0.98 0.03 0.07 45.56 Average: 2 51.15 0.00 1.10 0.03 0.08 47.64 Average: 3 53.30 0.00 1.12 0.07 0.08 45.43