---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18610 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 13G 66G 16% / 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 632 8650 4 6706 15014 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:31:22:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84423sec preferred_lft 84423sec inet6 fe80::f816:3eff:fe31:2214/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:85:56:5b:0e:ac 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-18610) 01/05/26 _x86_64_ (4 CPU) 19:04:03 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 24.54 0.06 21.70 2.78 6.36 2361.79 11713.64 19:30:04 31.50 0.03 28.18 3.29 0.55 4544.68 25864.71 Average: 28.02 0.04 24.94 3.04 3.45 3453.23 18789.17 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 8535680 12551224 3404504 20.79 144540 3980080 3554848 20.40 918380 6515348 184624 19:30:04 7013912 11896616 4055024 24.77 160592 4792448 4063512 23.32 1178712 7733692 1860 Average: 7774796 12223920 3729764 22.78 152566 4386264 3809180 21.86 1048546 7124520 93242 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1314.09 1314.09 1245.17 1245.17 0.00 0.00 0.00 0.00 19:20:04 ens3 47.93 40.12 58.41 13.17 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:04 lo 1269.11 1269.11 1205.51 1205.51 0.00 0.00 0.00 0.00 19:30:04 ens3 49.20 37.98 32.06 12.74 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1291.60 1291.60 1225.34 1225.34 0.00 0.00 0.00 0.00 Average: ens3 48.57 39.05 45.24 12.95 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-18610) 01/05/26 _x86_64_ (4 CPU) 19:04:03 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 65.86 0.00 2.34 0.05 0.09 31.66 19:20:04 0 67.31 0.00 2.44 0.05 0.09 30.12 19:20:04 1 64.17 0.00 2.42 0.03 0.09 33.29 19:20:04 2 66.83 0.00 2.46 0.03 0.09 30.59 19:20:04 3 65.13 0.00 2.05 0.09 0.09 32.64 19:30:04 all 56.92 0.00 2.36 0.10 0.09 40.53 19:30:04 0 55.78 0.00 2.40 0.11 0.09 41.64 19:30:04 1 58.48 0.00 2.45 0.08 0.09 38.91 19:30:04 2 57.21 0.00 2.64 0.14 0.08 39.92 19:30:04 3 56.22 0.00 1.97 0.09 0.09 41.63 Average: all 61.39 0.00 2.35 0.08 0.09 36.09 Average: 0 61.54 0.00 2.42 0.08 0.09 35.88 Average: 1 61.32 0.00 2.43 0.05 0.09 36.10 Average: 2 62.03 0.00 2.55 0.09 0.08 35.26 Average: 3 60.67 0.00 2.01 0.09 0.09 37.14