---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12400 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 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 665 10285 4 5038 14981 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:32:98:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84660sec preferred_lft 84660sec inet6 fe80::f816:3eff:fe32:9888/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:42:8b:ab:c6:9c 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-12400) 12/10/25 _x86_64_ (4 CPU) 22:36:45 LINUX RESTART (4 CPU) 22:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:23 62.54 0.35 42.53 19.65 15.26 2664.71 365179.66 23:00:07 22.48 0.16 19.05 3.26 5.00 1548.52 25415.82 Average: 43.14 0.26 31.16 11.72 10.29 2124.23 200659.14 22:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:23 9868720 13016856 2944572 17.98 147140 3144080 3257740 18.70 655760 5490624 264 23:00:07 9666812 13120972 2837980 17.33 162852 3413700 3366320 19.32 764876 5560224 38984 Average: 9767766 13068914 2891276 17.66 154996 3278890 3312030 19.01 710318 5525424 19624 22:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:23 lo 23.87 23.87 5.62 5.62 0.00 0.00 0.00 0.00 22:50:23 ens3 14.23 12.90 25.36 4.58 0.00 0.00 0.00 0.00 22:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:07 lo 1302.21 1302.21 1211.63 1211.63 0.00 0.00 0.00 0.00 23:00:07 ens3 30.47 23.35 262.98 4.57 0.00 0.00 0.00 0.00 23:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 642.87 642.87 589.59 589.59 0.00 0.00 0.00 0.00 Average: ens3 22.09 17.96 140.42 4.58 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-12400) 12/10/25 _x86_64_ (4 CPU) 22:36:45 LINUX RESTART (4 CPU) 22:40:01 CPU %user %nice %system %iowait %steal %idle 22:50:23 all 34.63 0.00 1.28 0.57 0.10 63.42 22:50:23 0 34.64 0.00 1.22 0.50 0.10 63.54 22:50:23 1 34.24 0.00 1.28 0.21 0.10 64.18 22:50:23 2 34.51 0.00 1.26 0.37 0.10 63.77 22:50:23 3 35.13 0.00 1.36 1.21 0.10 62.20 23:00:07 all 28.87 0.00 1.60 0.11 0.09 69.34 23:00:07 0 29.52 0.00 1.80 0.07 0.09 68.52 23:00:07 1 29.31 0.00 1.50 0.09 0.09 69.01 23:00:07 2 28.88 0.00 1.73 0.19 0.08 69.12 23:00:07 3 27.75 0.00 1.38 0.09 0.09 70.69 Average: all 31.84 0.00 1.44 0.35 0.09 66.29 Average: 0 32.16 0.00 1.50 0.29 0.09 65.95 Average: 1 31.85 0.00 1.39 0.15 0.09 66.52 Average: 2 31.78 0.00 1.49 0.28 0.09 66.36 Average: 3 31.56 0.00 1.37 0.67 0.09 66.31