---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1556 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 9.9G 68G 13% / 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 612 10916 4 4460 15034 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:01:56:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84664sec preferred_lft 84664sec inet6 fe80::f816:3eff:fe01:5682/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:5c:cb:20:eb:44 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-1556) 10/23/25 _x86_64_ (4 CPU) 19:45:50 LINUX RESTART (4 CPU) 19:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:27 5.06 0.65 4.03 0.39 538.59 1657.15 5321.95 20:10:00 56.21 4.94 48.22 3.05 286.98 5494.87 3531.05 Average: 30.05 2.74 25.62 1.69 415.68 3531.92 4447.07 19:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:27 13491340 15523264 492128 3.01 57668 2198572 1133184 6.50 379776 2237756 212 20:10:00 9739936 13300680 2659128 16.24 140868 3551600 2939080 16.87 783244 5475116 112608 Average: 11615638 14411972 1575628 9.62 99268 2875086 2036132 11.69 581510 3856436 56410 19:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:27 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 20:00:27 ens3 11.78 7.92 126.18 0.58 0.00 0.00 0.00 0.00 20:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:00 lo 1346.27 1346.27 1282.82 1282.82 0.00 0.00 0.00 0.00 20:10:00 ens3 155.48 120.24 960.99 27.42 0.00 0.00 0.00 0.00 20:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 657.74 657.74 626.68 626.68 0.00 0.00 0.00 0.00 Average: ens3 81.98 62.79 534.00 13.69 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-1556) 10/23/25 _x86_64_ (4 CPU) 19:45:50 LINUX RESTART (4 CPU) 19:50:27 CPU %user %nice %system %iowait %steal %idle 20:00:27 all 0.45 0.00 0.14 0.23 0.01 99.17 20:00:27 0 0.38 0.00 0.16 0.31 0.01 99.15 20:00:27 1 0.14 0.00 0.13 0.22 0.01 99.49 20:00:27 2 0.26 0.00 0.11 0.18 0.01 99.45 20:00:27 3 1.02 0.00 0.15 0.20 0.02 98.61 20:10:00 all 57.17 0.00 2.62 1.65 0.17 38.39 20:10:00 0 57.01 0.00 2.50 3.19 0.16 37.13 20:10:00 1 56.71 0.00 2.66 0.34 0.27 40.02 20:10:00 2 59.70 0.00 2.52 0.66 0.13 36.99 20:10:00 3 55.24 0.00 2.80 2.42 0.12 39.41 Average: all 28.12 0.00 1.35 0.92 0.09 69.52 Average: 0 27.99 0.00 1.30 1.71 0.08 68.91 Average: 1 27.78 0.00 1.37 0.28 0.14 70.43 Average: 2 29.25 0.00 1.28 0.41 0.07 68.98 Average: 3 27.45 0.00 1.44 1.28 0.07 69.76