---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8125 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 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 788 5166 4 2275 7153 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:83:bb:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83613sec preferred_lft 83613sec inet6 fe80::f816:3eff:fe83:bb17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8125) 04/26/26 _x86_64_ (2 CPU) 00:16:53 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.42 0.03 1.37 0.03 1.24 17.41 654.40 00:40:00 21.57 3.02 16.32 2.23 228.11 3149.67 682.22 00:50:00 1.52 0.00 1.50 0.01 0.00 56.12 0.99 01:00:00 2.19 0.32 1.83 0.04 39.36 161.11 355.68 Average: 6.67 0.84 5.26 0.58 67.18 846.07 423.32 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 6295176 7541872 278648 3.43 30592 1422000 523200 5.70 444588 1183204 160 00:40:00 5326176 7409192 362900 4.46 84096 2163564 622912 6.78 585256 1932672 920 00:50:00 5307000 7401632 370548 4.56 84272 2175064 646096 7.04 591756 1944368 676 01:00:00 5238844 7386652 384580 4.73 84600 2227492 844092 9.19 612524 1985944 372 Average: 5541799 7434837 349169 4.29 70890 1997030 659075 7.18 558531 1761547 532 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 1.27 0.07 0.13 0.03 0.00 0.00 0.00 0.00 00:40:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 66.08 44.98 300.53 11.64 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 36.45 31.30 7.48 3.92 0.00 0.00 0.00 0.00 01:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 31.57 30.56 12.28 5.40 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 33.84 26.73 80.11 5.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8125) 04/26/26 _x86_64_ (2 CPU) 00:16:53 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.29 0.00 0.16 0.01 0.04 99.50 00:30:00 0 0.10 0.00 0.17 0.01 0.04 99.68 00:30:00 1 0.49 0.00 0.15 0.02 0.03 99.32 00:40:00 all 11.09 0.00 1.63 0.58 0.05 86.65 00:40:00 0 8.60 0.00 1.41 0.34 0.05 89.60 00:40:00 1 13.58 0.00 1.84 0.82 0.06 83.70 00:50:00 all 5.64 0.00 0.49 0.01 0.06 93.79 00:50:00 0 6.88 0.00 0.50 0.02 0.06 92.54 00:50:00 1 4.40 0.00 0.49 0.01 0.07 95.04 01:00:00 all 8.35 0.00 0.65 0.17 0.07 90.76 01:00:00 0 8.05 0.00 0.57 0.31 0.07 91.00 01:00:00 1 8.65 0.00 0.73 0.03 0.07 90.52 Average: all 6.34 0.00 0.73 0.19 0.06 92.68 Average: 0 5.90 0.00 0.66 0.17 0.06 93.21 Average: 1 6.78 0.00 0.80 0.22 0.05 92.14