---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11537 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 808 5142 4 2280 7133 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:ee:15:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84126sec preferred_lft 84126sec inet6 fe80::f816:3eff:feee:153f/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-11537) 05/07/26 _x86_64_ (2 CPU) 00:35:03 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.42 0.01 1.40 0.01 0.05 37.28 0.96 01:00:06 2.16 0.26 1.85 0.05 32.83 129.65 1.89 01:10:06 1.30 0.00 1.29 0.01 0.00 91.36 0.91 Average: 1.62 0.09 1.51 0.02 10.86 85.89 1.25 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 5283180 7376984 394652 4.85 84584 2173728 673960 7.34 616364 1943460 280 01:00:06 5224992 7360172 411120 5.06 84880 2214644 683900 7.45 627552 1975480 296 01:10:06 5197336 7356000 415068 5.10 85072 2237596 699040 7.61 641800 1998640 708 Average: 5235169 7364385 406947 5.00 84845 2208656 685633 7.47 628572 1972527 428 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 11.34 10.16 2.38 1.72 0.00 0.00 0.00 0.00 01:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 49.49 45.66 13.11 5.79 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 29.43 28.63 6.54 3.93 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 30.00 28.07 7.32 3.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11537) 05/07/26 _x86_64_ (2 CPU) 00:35:03 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 3.04 0.00 0.30 0.01 0.05 96.60 00:50:14 0 2.12 0.00 0.23 0.01 0.06 97.59 00:50:14 1 3.96 0.00 0.37 0.01 0.05 95.61 01:00:06 all 6.41 0.00 0.63 0.02 0.06 92.88 01:00:06 0 6.07 0.00 0.62 0.01 0.06 93.24 01:00:06 1 6.76 0.00 0.63 0.03 0.06 92.52 01:10:06 all 7.03 0.00 0.36 0.01 0.06 92.54 01:10:06 0 4.91 0.00 0.35 0.01 0.06 94.68 01:10:06 1 9.15 0.00 0.38 0.01 0.06 90.40 Average: all 5.49 0.00 0.43 0.01 0.06 94.01 Average: 0 4.35 0.00 0.40 0.01 0.06 95.18 Average: 1 6.63 0.00 0.46 0.02 0.06 92.84