---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14016 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: 5600.00 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 634 9890 4 5463 15012 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:59:14:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84453sec preferred_lft 84453sec inet6 fe80::f816:3eff:fe59:141e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:6f:5e:ba:be:2d 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-14016) 12/16/25 _x86_64_ (4 CPU) 00:37:24 LINUX RESTART (4 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 58.66 2.78 38.25 17.63 544.51 3751.88 366398.53 01:00:01 9.06 0.19 8.22 0.64 5.91 1471.16 547.80 Average: 33.86 1.49 23.24 9.14 275.27 2611.80 183517.38 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 9246948 12630564 3329492 20.34 145304 3382700 3385508 19.43 767184 5998736 12188 01:00:01 9776156 13564636 2391848 14.61 162500 3738252 2611696 14.99 881088 5306940 10240 Average: 9511552 13097600 2860670 17.47 153902 3560476 2998602 17.21 824136 5652838 11214 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 17.72 17.72 3.86 3.86 0.00 0.00 0.00 0.00 00:50:02 ens3 82.47 62.74 721.17 11.10 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 482.28 482.28 425.22 425.22 0.00 0.00 0.00 0.00 01:00:01 ens3 31.70 22.63 264.03 4.45 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 249.94 249.94 214.49 214.49 0.00 0.00 0.00 0.00 Average: ens3 57.09 42.69 492.65 7.78 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-14016) 12/16/25 _x86_64_ (4 CPU) 00:37:24 LINUX RESTART (4 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 32.10 0.00 1.35 0.35 0.09 66.11 00:50:02 0 31.61 0.00 1.44 0.13 0.09 66.72 00:50:02 1 32.39 0.00 1.32 0.30 0.09 65.90 00:50:02 2 31.10 0.00 1.37 0.80 0.09 66.65 00:50:02 3 33.31 0.00 1.27 0.16 0.10 65.16 01:00:01 all 22.81 0.00 1.14 0.04 0.10 75.92 01:00:01 0 22.36 0.00 1.01 0.04 0.09 76.50 01:00:01 1 22.99 0.00 1.20 0.02 0.11 75.68 01:00:01 2 24.00 0.00 1.06 0.08 0.10 74.77 01:00:01 3 21.87 0.00 1.27 0.03 0.09 76.73 Average: all 27.46 0.00 1.24 0.20 0.09 71.01 Average: 0 26.99 0.00 1.23 0.08 0.09 71.61 Average: 1 27.69 0.00 1.26 0.16 0.10 70.79 Average: 2 27.55 0.00 1.21 0.44 0.09 70.71 Average: 3 27.59 0.00 1.27 0.10 0.09 70.95