---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11753 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 637 9396 4 5955 15008 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:0b:12:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fe0b:1239/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:46:3c:53:6e:1e 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-11753) 12/09/25 _x86_64_ (4 CPU) 00:25:47 LINUX RESTART (4 CPU) 00:30:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:05 32.81 0.46 15.92 16.43 423.43 1619.29 301469.02 00:50:00 26.88 0.18 22.98 3.72 5.33 2172.26 33245.40 Average: 29.79 0.32 19.52 9.95 210.41 1901.03 164811.83 00:30:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:05 9497320 13021816 2936360 17.93 129356 3520956 3174924 18.22 795000 5687340 584 00:50:00 8450472 12970644 2982452 18.22 152864 4443300 3035660 17.42 1145824 6318044 529648 Average: 8973896 12996230 2959406 18.07 141110 3982128 3105292 17.82 970412 6002692 265116 00:30:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:05 lo 40.10 40.10 9.41 9.41 0.00 0.00 0.00 0.00 00:40:05 ens3 22.45 15.70 237.81 4.15 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 1462.16 1462.16 1374.93 1374.93 0.00 0.00 0.00 0.00 00:50:00 ens3 58.10 39.84 329.98 11.00 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 764.62 764.62 705.13 705.13 0.00 0.00 0.00 0.00 Average: ens3 40.61 28.00 284.77 7.64 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-11753) 12/09/25 _x86_64_ (4 CPU) 00:25:47 LINUX RESTART (4 CPU) 00:30:33 CPU %user %nice %system %iowait %steal %idle 00:40:05 all 24.85 0.00 1.12 0.24 0.11 73.68 00:40:05 0 24.92 0.00 1.12 0.35 0.11 73.50 00:40:05 1 24.73 0.00 1.19 0.13 0.11 73.84 00:40:05 2 25.21 0.00 1.20 0.13 0.11 73.35 00:40:05 3 24.55 0.00 0.99 0.32 0.11 74.03 00:50:00 all 40.10 0.00 2.03 0.10 0.11 57.65 00:50:00 0 40.14 0.00 2.04 0.19 0.11 57.51 00:50:00 1 40.92 0.00 2.13 0.06 0.11 56.78 00:50:00 2 40.09 0.00 1.91 0.07 0.11 57.82 00:50:00 3 39.26 0.00 2.04 0.09 0.11 58.49 Average: all 32.62 0.00 1.59 0.17 0.11 65.52 Average: 0 32.67 0.00 1.59 0.27 0.11 65.36 Average: 1 32.98 0.00 1.67 0.10 0.11 65.15 Average: 2 32.78 0.00 1.56 0.10 0.11 65.45 Average: 3 32.04 0.00 1.53 0.20 0.11 66.12