---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33198 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 772 5108 4 2353 7169 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:9c:68:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82388sec preferred_lft 82388sec inet6 fe80::f816:3eff:fe9c:6834/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33198) 07/06/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:16 1.62 0.02 1.58 0.03 1.87 18.67 218.68 00:20:00 1.55 0.12 1.41 0.02 3.57 18.08 8.42 00:30:12 3.10 1.30 1.78 0.03 94.44 143.33 213.92 00:40:17 27.43 1.91 21.55 3.98 140.77 3832.73 2843.03 Average: 8.48 0.84 6.62 1.02 60.87 1011.18 827.44 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:16 6277252 7553680 266012 3.27 31288 1450420 522780 5.69 448052 1202168 132 00:20:00 6268476 7545452 274128 3.37 31596 1450580 521844 5.68 448844 1202420 152 00:30:12 6028544 7420372 392788 4.83 39764 1551772 618336 6.73 570332 1299056 48496 00:40:17 5239292 7350088 425772 5.24 90964 2188044 658780 7.18 653928 1951692 30668 Average: 5953391 7467398 339675 4.18 48403 1660204 580435 6.32 530289 1413834 19862 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:16 ens3 0.30 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.19 0.04 0.03 0.02 0.00 0.00 0.00 0.00 00:30:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 22.20 11.87 63.14 4.60 0.00 0.00 0.00 0.00 00:40:17 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 00:40:17 ens3 67.37 50.33 294.43 19.57 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 22.75 15.73 90.29 6.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33198) 07/06/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:16 all 0.22 0.00 0.11 0.01 0.03 99.63 00:10:16 0 0.35 0.00 0.09 0.01 0.03 99.53 00:10:16 1 0.09 0.00 0.13 0.02 0.04 99.72 00:20:00 all 0.46 0.00 0.20 0.01 0.03 99.29 00:20:00 0 0.59 0.00 0.19 0.03 0.03 99.17 00:20:00 1 0.33 0.00 0.21 0.00 0.04 99.42 00:30:12 all 1.11 0.00 0.31 0.05 0.04 98.50 00:30:12 0 1.49 0.00 0.34 0.06 0.03 98.08 00:30:12 1 0.73 0.00 0.27 0.03 0.04 98.92 00:40:17 all 19.60 0.00 2.04 0.65 0.07 77.63 00:40:17 0 13.22 0.00 1.84 0.47 0.06 84.41 00:40:17 1 25.99 0.00 2.25 0.83 0.07 70.86 Average: all 5.38 0.00 0.67 0.18 0.04 93.72 Average: 0 3.94 0.00 0.62 0.14 0.04 95.26 Average: 1 6.83 0.00 0.72 0.22 0.05 92.18