---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27950 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 770 5163 4 2299 7171 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:9a:c1:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84638sec preferred_lft 84638sec inet6 fe80::f816:3eff:fe9a:c136/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27950) 06/17/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.13 1.59 10.95 1.58 122.90 2028.79 894.93 02:20:14 1.36 0.01 1.32 0.04 0.07 56.54 1.92 Average: 7.67 0.79 6.08 0.80 60.73 1030.62 442.97 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5203296 7381400 385976 4.75 85752 2252908 707380 7.70 614784 2023896 2328 02:20:14 5188960 7377832 389304 4.79 85964 2263440 703260 7.66 618196 2034664 132 Average: 5196128 7379616 387640 4.77 85858 2258174 705320 7.68 616490 2029280 1230 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:10:01 ens3 104.35 83.53 76.74 13.95 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 35.55 35.40 9.05 2.85 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 69.53 59.17 42.48 8.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27950) 06/17/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 9.09 0.00 1.46 0.71 0.06 88.67 02:10:01 0 7.38 0.00 1.38 0.38 0.06 90.81 02:10:01 1 10.81 0.00 1.55 1.04 0.06 86.53 02:20:14 all 4.18 0.00 0.64 0.02 0.07 95.09 02:20:14 0 3.70 0.00 0.68 0.01 0.07 95.54 02:20:14 1 4.66 0.00 0.61 0.03 0.07 94.63 Average: all 6.61 0.00 1.05 0.36 0.07 91.91 Average: 0 5.52 0.00 1.02 0.19 0.06 93.20 Average: 1 7.71 0.00 1.08 0.53 0.07 90.62