---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-40262 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 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 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 8.1G 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 793 5001 4 2447 7148 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:f6:ac:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83869sec preferred_lft 83869sec inet6 fe80::f816:3eff:fef6:ac55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40262) 08/23/26 _x86_64_ (2 CPU) 01:01:12 LINUX RESTART (2 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.05 0.01 1.04 0.00 0.07 13.27 0.00 01:30:01 1.15 0.00 1.14 0.01 0.00 15.17 0.25 01:40:02 27.29 2.97 21.99 2.33 228.48 3465.10 710.61 Average: 9.84 1.00 8.07 0.78 76.29 1166.15 237.29 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6275492 7532904 288032 3.54 31168 1432120 529396 5.77 450792 1187912 8 01:30:01 6269652 7527604 293236 3.61 31356 1432452 529804 5.77 451204 1188432 124 01:40:02 5240376 7433136 334476 4.11 87228 2265868 588172 6.41 572008 2031888 120 Average: 5928507 7497881 305248 3.75 49917 1710147 549124 5.98 491335 1469411 84 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.84 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.64 0.17 0.20 0.11 0.00 0.00 0.00 0.00 01:40:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:40:02 ens3 115.15 76.67 327.79 18.03 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 38.93 25.68 109.53 6.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40262) 08/23/26 _x86_64_ (2 CPU) 01:01:12 LINUX RESTART (2 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.26 0.00 0.09 0.01 0.04 99.61 01:20:00 0 0.08 0.00 0.09 0.01 0.04 99.78 01:20:00 1 0.45 0.00 0.08 0.01 0.03 99.43 01:30:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:30:01 0 0.10 0.00 0.20 0.00 0.04 99.66 01:30:01 1 0.46 0.00 0.13 0.01 0.03 99.36 01:40:02 all 12.04 0.00 1.84 0.57 0.05 85.50 01:40:02 0 14.53 0.00 2.02 0.56 0.05 82.84 01:40:02 1 9.55 0.00 1.66 0.58 0.06 88.16 Average: all 4.20 0.00 0.70 0.20 0.04 94.87 Average: 0 4.91 0.00 0.77 0.19 0.04 94.09 Average: 1 3.49 0.00 0.62 0.20 0.04 95.65