---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12654 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 752 5307 4 2170 7189 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:73:53:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84193sec preferred_lft 84193sec inet6 fe80::f816:3eff:fe73:5384/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12654) 05/11/26 _x86_64_ (2 CPU) 03:07:32 LINUX RESTART (2 CPU) 03:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:09 8.85 1.21 6.66 0.97 104.16 1082.48 356.20 03:30:01 1.16 0.01 1.12 0.04 0.05 15.36 347.43 03:40:09 1.04 0.00 1.02 0.02 0.00 13.66 1.20 Average: 3.68 0.41 2.93 0.34 34.74 370.49 233.35 03:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:09 5311848 7410332 361544 4.45 83772 2179232 634000 6.91 578456 1940940 156 03:30:01 5300776 7399944 371704 4.57 83956 2179720 634000 6.91 578716 1941496 124 03:40:09 5308364 7408088 363560 4.47 84160 2180072 634220 6.91 578880 1942052 80 Average: 5306996 7406121 365603 4.50 83963 2179675 634073 6.91 578684 1941496 120 03:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:20:09 ens3 25.06 17.81 38.59 4.62 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.79 0.23 0.16 0.07 0.00 0.00 0.00 0.00 03:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 0.87 0.28 0.14 0.06 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 8.91 6.11 12.96 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12654) 05/11/26 _x86_64_ (2 CPU) 03:07:32 LINUX RESTART (2 CPU) 03:10:09 CPU %user %nice %system %iowait %steal %idle 03:20:09 all 4.29 0.00 0.74 0.22 0.06 94.69 03:20:09 0 5.62 0.00 0.79 0.12 0.04 93.44 03:20:09 1 2.96 0.00 0.70 0.32 0.08 95.94 03:30:01 all 0.44 0.00 0.22 0.01 0.06 99.28 03:30:01 0 0.47 0.00 0.18 0.01 0.05 99.29 03:30:01 1 0.41 0.00 0.26 0.01 0.07 99.26 03:40:09 all 0.38 0.00 0.12 0.01 0.07 99.44 03:40:09 0 0.32 0.00 0.12 0.01 0.07 99.48 03:40:09 1 0.43 0.00 0.11 0.00 0.06 99.39 Average: all 1.70 0.00 0.36 0.08 0.06 97.80 Average: 0 2.14 0.00 0.36 0.04 0.05 97.41 Average: 1 1.27 0.00 0.35 0.11 0.07 98.20