---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8379 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 817 5125 4 2288 7124 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:66:7a:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84262sec preferred_lft 84262sec inet6 fe80::f816:3eff:fe66:7a64/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8379) 04/27/26 _x86_64_ (2 CPU) 02:57:44 LINUX RESTART (2 CPU) 03:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:14 9.66 1.26 7.43 0.97 108.82 1158.63 280.89 03:20:01 1.35 0.01 1.33 0.01 0.07 118.56 0.53 03:30:14 1.52 0.00 1.50 0.02 0.00 48.52 0.31 Average: 4.18 0.42 3.42 0.33 36.30 441.39 93.91 03:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:14 5286076 7395572 376368 4.63 83924 2190352 706396 7.69 605636 1959132 2540 03:20:01 5254748 7393404 377992 4.65 84056 2219052 706820 7.70 606084 1988008 796 03:30:14 5243016 7390860 380224 4.68 84212 2227968 739904 8.06 606212 1997064 292 Average: 5261280 7393279 378195 4.65 84064 2212457 717707 7.82 605977 1981401 1209 03:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:14 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 03:10:14 ens3 77.63 54.43 58.93 11.81 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 62.11 60.13 39.91 5.93 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 28.78 26.42 8.97 3.27 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 55.93 46.74 35.71 6.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8379) 04/27/26 _x86_64_ (2 CPU) 02:57:44 LINUX RESTART (2 CPU) 03:00:14 CPU %user %nice %system %iowait %steal %idle 03:10:14 all 9.03 0.00 1.08 0.16 0.06 89.66 03:10:14 0 7.15 0.00 0.98 0.18 0.06 91.63 03:10:14 1 10.92 0.00 1.19 0.15 0.07 87.68 03:20:01 all 6.58 0.00 0.84 0.01 0.08 92.49 03:20:01 0 6.97 0.00 0.78 0.01 0.08 92.16 03:20:01 1 6.19 0.00 0.90 0.00 0.08 92.82 03:30:14 all 5.09 0.00 0.62 0.01 0.08 94.21 03:30:14 0 5.56 0.00 0.61 0.01 0.08 93.75 03:30:14 1 4.61 0.00 0.63 0.01 0.08 94.67 Average: all 6.89 0.00 0.85 0.06 0.07 92.13 Average: 0 6.55 0.00 0.79 0.06 0.07 92.52 Average: 1 7.23 0.00 0.91 0.05 0.07 91.73