---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7861 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 7.9G 30G 21% / 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 773 5200 4 2256 7168 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:23:c0:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82496sec preferred_lft 82496sec inet6 fe80::f816:3eff:fe23:c0d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7861) 04/25/26 _x86_64_ (2 CPU) 01:50:41 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:14 1.43 0.01 1.41 0.01 0.05 23.06 0.65 02:20:14 1.32 0.00 1.32 0.00 0.01 19.68 0.03 02:30:01 1.60 0.00 1.58 0.02 0.00 138.40 405.50 02:40:14 1.32 0.00 1.32 0.00 0.00 34.25 0.08 02:50:14 1.96 0.31 1.62 0.02 39.01 80.01 0.33 Average: 1.52 0.06 1.45 0.01 7.78 58.47 79.19 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:14 5258116 7342644 429440 5.28 84220 2164768 680704 7.41 613220 1934540 132 02:20:14 5262028 7347984 424104 5.21 84376 2166040 700540 7.63 632112 1935968 140 02:30:01 5169088 7290216 481780 5.92 84548 2200984 736168 8.02 667284 1971084 168 02:40:14 5142108 7268948 502980 6.18 84684 2206488 757444 8.25 689156 1976724 188 02:50:14 5135088 7292596 478676 5.89 84948 2236524 926964 10.10 673704 1995828 376 Average: 5193286 7308478 463396 5.70 84555 2194961 760364 8.28 655095 1962829 201 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 13.96 13.01 137.21 1.14 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 5.86 5.33 33.13 0.66 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 14.34 12.74 160.42 1.24 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 16.46 15.85 138.96 1.93 0.00 0.00 0.00 0.00 02:50:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 14.35 13.62 143.22 1.72 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.01 12.13 122.55 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7861) 04/25/26 _x86_64_ (2 CPU) 01:50:41 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:14 all 0.93 0.00 0.22 0.01 0.07 98.77 02:10:14 0 0.69 0.00 0.17 0.00 0.07 99.07 02:10:14 1 1.16 0.00 0.27 0.01 0.08 98.48 02:20:14 all 6.11 0.00 0.55 0.01 0.08 93.26 02:20:14 0 4.03 0.00 0.39 0.01 0.08 95.49 02:20:14 1 8.23 0.00 0.72 0.01 0.07 90.97 02:30:01 all 5.27 0.00 0.64 0.01 0.08 94.01 02:30:01 0 5.89 0.00 0.65 0.00 0.07 93.39 02:30:01 1 4.64 0.00 0.64 0.02 0.08 94.62 02:40:14 all 1.91 0.00 0.32 0.01 0.07 97.70 02:40:14 0 2.68 0.00 0.44 0.00 0.08 96.79 02:40:14 1 1.14 0.00 0.20 0.01 0.06 98.60 02:50:14 all 1.10 0.00 0.27 0.02 0.06 98.55 02:50:14 0 0.86 0.00 0.26 0.02 0.06 98.80 02:50:14 1 1.34 0.00 0.28 0.02 0.06 98.29 Average: all 3.01 0.00 0.40 0.01 0.07 96.51 Average: 0 2.79 0.00 0.38 0.01 0.07 96.75 Average: 1 3.24 0.00 0.42 0.01 0.07 96.27