---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11964 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 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 656 9899 4 5434 14990 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:05:1d:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fe05:1d40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:f2:9f:c8:42:f5 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-11964) 12/09/25 _x86_64_ (4 CPU) 11:33:16 LINUX RESTART (4 CPU) 11:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 42.38 0.02 35.79 6.57 0.60 1470.03 94788.18 12:00:05 32.66 0.19 28.24 4.23 6.27 5828.35 26415.40 Average: 37.49 0.11 31.99 5.39 3.46 3663.20 60382.03 11:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 9454612 13012524 2945872 17.99 151724 3529248 3169252 18.19 894108 5634368 884 12:00:05 7281612 12591860 3356916 20.50 184708 5158532 3455584 19.84 1509168 7098268 212932 Average: 8368112 12802192 3151394 19.25 168216 4343890 3312418 19.01 1201638 6366318 106908 11:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 51.13 51.13 12.57 12.57 0.00 0.00 0.00 0.00 11:50:01 ens3 6.31 4.85 7.88 1.82 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:05 lo 1922.88 1922.88 1834.19 1834.19 0.00 0.00 0.00 0.00 12:00:05 ens3 48.85 38.18 451.20 8.82 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 993.02 993.02 929.23 929.23 0.00 0.00 0.00 0.00 Average: ens3 27.72 21.62 230.97 5.34 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-11964) 12/09/25 _x86_64_ (4 CPU) 11:33:16 LINUX RESTART (4 CPU) 11:40:05 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 18.81 0.00 0.90 0.34 0.09 79.85 11:50:01 0 18.81 0.00 0.92 0.04 0.09 80.15 11:50:01 1 18.71 0.00 0.99 0.53 0.09 79.67 11:50:01 2 18.36 0.00 0.94 0.74 0.09 79.87 11:50:01 3 19.35 0.00 0.77 0.06 0.09 79.73 12:00:05 all 49.45 0.00 2.48 0.11 0.09 47.88 12:00:05 0 48.60 0.00 2.30 0.10 0.09 48.92 12:00:05 1 48.15 0.00 2.11 0.12 0.08 49.54 12:00:05 2 52.56 0.00 2.99 0.18 0.09 44.19 12:00:05 3 48.49 0.00 2.51 0.04 0.09 48.87 Average: all 34.22 0.00 1.70 0.22 0.09 63.77 Average: 0 33.79 0.00 1.61 0.07 0.09 64.45 Average: 1 33.52 0.00 1.55 0.33 0.09 64.51 Average: 2 35.57 0.00 1.97 0.46 0.09 61.91 Average: 3 34.01 0.00 1.65 0.05 0.09 64.20