---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8455 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 756 5271 4 2202 7185 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:08:29:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83170sec preferred_lft 83170sec inet6 fe80::f816:3eff:fe08:2998/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8455) 04/27/26 _x86_64_ (2 CPU) 14:17:09 LINUX RESTART (2 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:16 22.61 1.35 7.22 14.04 106.97 1067.89 104750.82 14:40:56 1.30 0.01 1.28 0.01 0.29 17.85 1.01 14:50:01 1.29 0.00 1.28 0.02 0.00 17.36 1.07 15:00:26 1.97 0.30 1.62 0.04 37.45 77.59 1.57 15:10:30 5.33 0.09 4.07 1.17 7.22 292.90 3381.96 Average: 6.57 0.36 3.11 3.10 30.96 298.22 21954.53 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:16 5324084 7407876 364216 4.48 84572 2163912 630588 6.87 576112 1933100 196 14:40:56 5324084 7409160 362704 4.46 84760 2164976 632516 6.89 577772 1934384 168 14:50:01 5326908 7412892 358972 4.41 84920 2165724 633556 6.90 578584 1935292 168 15:00:26 5265452 7381580 389892 4.79 85240 2195444 837156 9.12 597304 1954268 392 15:10:30 5451044 7405868 375240 4.61 87748 2040100 598120 6.51 596984 1799372 11884 Average: 5338314 7403475 370205 4.55 85448 2146031 666387 7.26 585351 1911283 2562 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:16 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 14:30:16 ens3 20.76 15.78 37.10 4.28 0.00 0.00 0.00 0.00 14:40:56 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:56 ens3 1.21 0.48 0.39 0.14 0.00 0.00 0.00 0.00 14:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:01 ens3 1.22 0.47 0.26 0.10 0.00 0.00 0.00 0.00 15:00:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 15:00:26 ens3 2.14 0.97 4.21 0.22 0.00 0.00 0.00 0.00 15:10:30 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 15:10:30 ens3 14.71 10.93 14.05 9.69 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.06 5.77 11.34 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8455) 04/27/26 _x86_64_ (2 CPU) 14:17:09 LINUX RESTART (2 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:16 all 7.55 0.00 1.19 0.18 0.06 91.02 14:30:16 0 6.37 0.00 1.10 0.18 0.05 92.29 14:30:16 1 8.73 0.00 1.29 0.18 0.06 89.74 14:40:56 all 8.93 0.00 1.02 0.01 0.08 89.97 14:40:56 0 13.38 0.00 1.41 0.01 0.09 85.11 14:40:56 1 4.68 0.00 0.64 0.01 0.07 94.60 14:50:01 all 8.52 0.00 1.13 0.01 0.09 90.26 14:50:01 0 8.09 0.00 1.00 0.01 0.08 90.83 14:50:01 1 8.97 0.00 1.26 0.01 0.09 89.67 15:00:26 all 9.74 0.00 1.28 0.02 0.09 88.87 15:00:26 0 11.32 0.00 1.56 0.01 0.09 87.03 15:00:26 1 8.18 0.00 1.01 0.03 0.08 90.70 15:10:30 all 8.45 0.00 0.83 0.30 0.07 90.36 15:10:30 0 10.04 0.00 0.94 0.26 0.07 88.69 15:10:30 1 6.86 0.00 0.72 0.33 0.07 92.02 Average: all 8.64 0.00 1.09 0.11 0.08 90.09 Average: 0 9.87 0.00 1.21 0.10 0.08 88.75 Average: 1 7.42 0.00 0.97 0.12 0.08 91.42