---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8726 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 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 735 9637 4 5616 14911 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:2b:6f:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:fe2b:6f6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:e6:50:cd:6f:38 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-8726) 12/05/25 _x86_64_ (4 CPU) 13:15:03 LINUX RESTART (4 CPU) 13:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 27.59 1.01 22.94 3.63 625.46 4027.82 28115.18 13:40:04 48.41 0.00 39.09 9.31 0.04 2564.70 16235.21 Average: 38.03 0.51 31.04 6.48 311.71 3293.85 22155.57 13:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 9250456 13300572 2654272 16.21 167020 3971728 2928572 16.81 898212 5794792 113668 13:40:04 9083044 13393248 2557988 15.62 197044 4171244 2755852 15.82 984776 5832728 37304 Average: 9166750 13346910 2606130 15.92 182032 4071486 2842212 16.31 941494 5813760 75486 13:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 1694.35 1694.35 1614.39 1614.39 0.00 0.00 0.00 0.00 13:30:01 ens3 66.76 52.74 480.80 13.53 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 5334.84 5334.84 5083.86 5083.86 0.00 0.00 0.00 0.00 13:40:04 ens3 40.47 33.00 15.43 10.51 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3520.61 3520.61 3354.86 3354.86 0.00 0.00 0.00 0.00 Average: ens3 53.57 42.84 247.34 12.01 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-8726) 12/05/25 _x86_64_ (4 CPU) 13:15:03 LINUX RESTART (4 CPU) 13:20:02 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 66.81 0.00 3.04 0.10 0.12 29.93 13:30:01 0 66.64 0.00 2.66 0.06 0.11 30.53 13:30:01 1 67.51 0.00 2.94 0.16 0.11 29.28 13:30:01 2 65.78 0.00 3.37 0.14 0.15 30.57 13:30:01 3 67.33 0.00 3.17 0.05 0.11 29.34 13:40:04 all 63.09 0.00 4.18 0.09 0.10 32.54 13:40:04 0 64.30 0.00 4.16 0.06 0.10 31.38 13:40:04 1 62.71 0.00 4.19 0.14 0.10 32.86 13:40:04 2 63.08 0.00 4.00 0.09 0.11 32.72 13:40:04 3 62.26 0.00 4.35 0.07 0.10 33.22 Average: all 64.94 0.00 3.61 0.10 0.11 31.24 Average: 0 65.47 0.00 3.41 0.06 0.11 30.95 Average: 1 65.10 0.00 3.56 0.15 0.11 31.08 Average: 2 64.43 0.00 3.69 0.11 0.13 31.65 Average: 3 64.78 0.00 3.77 0.06 0.11 31.28