---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9704 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 629 10409 4 4951 15017 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:01:ad:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84858sec preferred_lft 84858sec inet6 fe80::f816:3eff:fe01:ad3e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:8a:1a:77:a1:67 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-9704) 12/05/25 _x86_64_ (4 CPU) 15:18:55 LINUX RESTART (4 CPU) 15:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 21.83 3.47 17.30 1.05 765.12 4048.16 10673.48 15:40:01 2.95 0.22 2.63 0.11 7.27 431.34 24.04 Average: 12.39 1.85 9.97 0.58 386.21 2239.84 5349.03 15:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 9587336 12724124 3239232 19.78 111436 3194728 3510492 20.15 675000 5778832 176 15:40:01 10414916 13696244 2266228 13.84 116308 3322940 2439720 14.00 706104 4878352 20492 Average: 10001126 13210184 2752730 16.81 113872 3258834 2975106 17.08 690552 5328592 10334 15:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 0.49 0.49 0.06 0.06 0.00 0.00 0.00 0.00 15:30:01 ens3 65.47 51.16 841.04 8.07 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 0.74 0.74 0.38 0.38 0.00 0.00 0.00 0.00 15:40:01 ens3 7.11 6.33 43.80 1.38 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 36.29 28.74 442.44 4.73 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-9704) 12/05/25 _x86_64_ (4 CPU) 15:18:55 LINUX RESTART (4 CPU) 15:20:01 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 50.91 0.00 1.25 0.32 0.08 47.43 15:30:01 0 55.70 0.00 1.25 0.58 0.08 42.38 15:30:01 1 49.13 0.00 1.22 0.27 0.08 49.31 15:30:01 2 42.57 0.00 1.24 0.19 0.08 55.92 15:30:01 3 56.25 0.00 1.30 0.25 0.08 42.12 15:40:01 all 45.12 0.00 0.55 0.03 0.08 54.22 15:40:01 0 87.86 0.00 0.77 0.00 0.08 11.29 15:40:01 1 29.39 0.00 0.57 0.05 0.08 69.91 15:40:01 2 31.85 0.00 0.44 0.04 0.07 67.60 15:40:01 3 31.40 0.00 0.41 0.05 0.07 68.07 Average: all 48.02 0.00 0.90 0.18 0.08 50.83 Average: 0 71.79 0.00 1.01 0.29 0.08 26.83 Average: 1 39.25 0.00 0.89 0.16 0.08 59.61 Average: 2 37.21 0.00 0.84 0.11 0.08 61.76 Average: 3 43.80 0.00 0.85 0.15 0.07 55.12