---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23122 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 627 10388 4 4973 15019 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:77:72:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84802sec preferred_lft 84802sec inet6 fe80::f816:3eff:fe77:7268/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e5:9d:73:a1:b0 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-23122) 01/08/26 _x86_64_ (4 CPU) 12:56:59 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:25 19.92 0.74 6.11 13.07 606.47 1256.84 246962.74 13:20:25 10.56 0.54 9.45 0.57 19.43 1732.32 999.48 Average: 15.33 0.64 7.75 6.94 318.78 1489.85 126425.01 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:25 8057388 11220292 4742944 28.97 113260 3218192 4918004 28.23 686008 7294308 916 13:20:25 10021812 13607764 2351868 14.36 131940 3593704 2491636 14.30 844060 5119372 11252 Average: 9039600 12414028 3547406 21.67 122600 3405948 3704820 21.27 765034 6206840 6084 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:25 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 13:10:25 ens3 28.55 21.74 253.41 3.17 0.00 0.00 0.00 0.00 13:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:25 lo 210.28 210.28 199.95 199.95 0.00 0.00 0.00 0.00 13:20:25 ens3 33.73 25.39 408.96 3.38 0.00 0.00 0.00 0.00 13:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 103.37 103.37 98.18 98.18 0.00 0.00 0.00 0.00 Average: ens3 31.09 23.53 329.64 3.27 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-23122) 01/08/26 _x86_64_ (4 CPU) 12:56:59 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:25 all 48.57 0.00 0.77 0.05 0.08 50.52 13:10:25 0 46.29 0.00 0.74 0.04 0.07 52.86 13:10:25 1 39.74 0.00 0.70 0.04 0.08 59.44 13:10:25 2 58.58 0.00 0.81 0.05 0.08 40.49 13:10:25 3 49.71 0.00 0.85 0.08 0.07 49.29 13:20:25 all 57.82 0.00 0.93 0.03 0.08 41.14 13:20:25 0 47.21 0.00 0.92 0.07 0.08 51.72 13:20:25 1 65.35 0.00 0.94 0.02 0.08 33.61 13:20:25 2 54.46 0.00 0.83 0.02 0.08 44.61 13:20:25 3 64.27 0.00 1.01 0.02 0.08 34.62 Average: all 53.10 0.00 0.85 0.04 0.08 45.93 Average: 0 46.74 0.00 0.83 0.05 0.08 52.30 Average: 1 52.28 0.00 0.82 0.03 0.08 46.79 Average: 2 56.56 0.00 0.82 0.03 0.08 42.51 Average: 3 56.84 0.00 0.93 0.05 0.08 42.11