---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7900 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: 5599.86 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 825 5090 4 2315 7115 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:3f:3e:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84181sec preferred_lft 84181sec inet6 fe80::f816:3eff:fe3f:3ea1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7900) 04/25/26 _x86_64_ (2 CPU) 03:07:10 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:09 11.51 1.58 8.57 1.36 149.01 1381.88 501.26 03:30:14 1.74 0.01 1.70 0.03 1.10 132.85 0.53 03:40:01 1.18 0.00 1.18 0.00 0.00 42.23 0.00 Average: 4.86 0.54 3.85 0.47 50.72 525.40 169.57 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:09 5258856 7392848 378960 4.66 84108 2214196 904092 9.85 617276 1972072 3428 03:30:14 5219968 7385748 385508 4.74 84260 2245440 704224 7.67 615080 2003112 316 03:40:01 5219456 7393948 377176 4.64 84400 2253852 694096 7.56 613168 2011708 480 Average: 5232760 7390848 380548 4.68 84256 2237829 767471 8.36 615175 1995631 1408 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:09 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 03:20:09 ens3 70.08 50.59 58.86 11.14 0.00 0.00 0.00 0.00 03:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:14 ens3 56.98 55.87 26.71 5.62 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 28.27 25.59 14.56 3.13 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 52.05 44.22 33.62 6.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7900) 04/25/26 _x86_64_ (2 CPU) 03:07:10 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:09 all 9.84 0.00 1.22 0.28 0.06 88.60 03:20:09 0 10.83 0.00 1.25 0.32 0.06 87.54 03:20:09 1 8.85 0.00 1.18 0.25 0.06 89.66 03:30:14 all 6.57 0.00 0.93 0.01 0.07 92.43 03:30:14 0 8.28 0.00 1.01 0.00 0.07 90.65 03:30:14 1 4.87 0.00 0.85 0.01 0.07 94.21 03:40:01 all 4.99 0.00 0.45 0.01 0.06 94.50 03:40:01 0 3.60 0.00 0.43 0.01 0.05 95.92 03:40:01 1 6.39 0.00 0.46 0.01 0.06 93.07 Average: all 7.17 0.00 0.87 0.10 0.06 91.80 Average: 0 7.62 0.00 0.90 0.11 0.06 91.31 Average: 1 6.71 0.00 0.84 0.09 0.06 92.30