---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46441 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 746 5252 4 2235 7195 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:36:eb:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84141sec preferred_lft 84141sec inet6 fe80::f816:3eff:fe36:eb77/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46441) 09/01/26 _x86_64_ (2 CPU) 01:03:26 LINUX RESTART (2 CPU) 01:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 16.01 0.01 1.27 14.73 0.22 15.79 110907.96 01:30:23 1.38 0.00 1.35 0.03 0.00 16.95 1.94 01:40:08 4.06 0.04 2.96 1.05 1.53 123.96 1940.75 Average: 6.99 0.02 1.85 5.12 0.57 51.61 36533.43 01:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 5241404 7410728 356024 4.38 85840 2244428 635700 6.92 526864 2070760 168 01:30:23 5239036 7408864 357772 4.40 85980 2244784 635836 6.93 526856 2071268 124 01:40:08 5438748 7419508 356844 4.39 87428 2062892 611580 6.66 530280 1890640 23896 Average: 5306396 7413033 356880 4.39 86416 2184035 627705 6.84 528000 2010889 8063 01:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.53 0.22 0.25 0.08 0.00 0.00 0.00 0.00 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 1.15 0.24 0.42 0.07 0.00 0.00 0.00 0.00 01:40:08 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 6.59 4.35 8.50 2.44 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 3.05 1.58 3.01 0.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46441) 09/01/26 _x86_64_ (2 CPU) 01:03:26 LINUX RESTART (2 CPU) 01:10:23 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.41 0.00 0.20 0.03 0.01 99.36 01:20:01 0 0.34 0.00 0.29 0.05 0.01 99.30 01:20:01 1 0.48 0.00 0.10 0.01 0.00 99.41 01:30:23 all 0.41 0.00 0.22 0.01 0.01 99.35 01:30:23 0 0.39 0.00 0.21 0.01 0.01 99.38 01:30:23 1 0.43 0.00 0.23 0.01 0.01 99.31 01:40:08 all 2.31 0.00 0.39 0.05 0.01 97.23 01:40:08 0 3.92 0.00 0.42 0.10 0.01 95.54 01:40:08 1 0.69 0.00 0.37 0.01 0.02 98.92 Average: all 1.03 0.00 0.27 0.03 0.01 98.66 Average: 0 1.53 0.00 0.31 0.05 0.01 98.10 Average: 1 0.53 0.00 0.23 0.01 0.01 99.22