---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12880 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 714 9525 4 5748 14931 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:22:02:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fe22:26a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:39:ab:56:fd:3d 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12880) 12/11/25 _x86_64_ (4 CPU) 20:46:25 LINUX RESTART (4 CPU) 20:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 24.05 3.18 19.40 1.48 759.82 5340.12 4462.12 21:10:15 36.70 0.07 32.45 4.18 2.05 2918.85 52704.36 Average: 30.46 1.60 26.01 2.85 375.79 4113.05 28910.65 20:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 9529988 13541460 2413000 14.74 166020 3923972 2659944 15.27 893724 5495248 55556 21:10:15 8476156 13372168 2577656 15.74 187364 4743276 2784256 15.98 1150300 6243200 501936 Average: 9003072 13456814 2495328 15.24 176692 4333624 2722100 15.62 1022012 5869224 278746 20:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 286.21 286.21 271.70 271.70 0.00 0.00 0.00 0.00 21:00:01 ens3 112.73 86.03 915.50 17.13 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 21:10:15 lo 1804.96 1804.96 1719.96 1719.96 0.00 0.00 0.00 0.00 21:10:15 ens3 55.17 44.01 223.12 13.76 0.00 0.00 0.00 0.00 21:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1055.89 1055.89 1005.66 1005.66 0.00 0.00 0.00 0.00 Average: ens3 83.56 64.73 564.61 15.42 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12880) 12/11/25 _x86_64_ (4 CPU) 20:46:25 LINUX RESTART (4 CPU) 20:50:04 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 53.69 0.00 1.86 0.12 0.07 44.26 21:00:01 0 50.00 0.00 1.60 0.13 0.07 48.20 21:00:01 1 55.12 0.00 1.97 0.11 0.07 42.72 21:00:01 2 55.14 0.00 1.65 0.14 0.07 43.00 21:00:01 3 54.49 0.00 2.21 0.09 0.08 43.14 21:10:15 all 60.32 0.00 2.79 0.11 0.09 36.70 21:10:15 0 57.36 0.00 2.71 0.24 0.09 39.59 21:10:15 1 60.79 0.00 2.94 0.06 0.08 36.13 21:10:15 2 62.90 0.00 2.88 0.09 0.09 34.04 21:10:15 3 60.21 0.00 2.61 0.04 0.08 37.06 Average: all 57.04 0.00 2.33 0.11 0.08 40.44 Average: 0 53.72 0.00 2.16 0.19 0.08 43.84 Average: 1 57.99 0.00 2.46 0.09 0.08 39.38 Average: 2 59.07 0.00 2.28 0.11 0.08 38.47 Average: 3 57.38 0.00 2.41 0.06 0.08 40.07