---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37125 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 8.0G 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 763 5223 4 2246 7178 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:94:e0:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83995sec preferred_lft 83995sec inet6 fe80::f816:3eff:fe94:e013/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37125) 08/13/26 _x86_64_ (2 CPU) 00:38:42 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.66 0.03 1.62 0.02 1.24 1478.55 215.80 01:00:01 23.31 2.84 18.30 2.17 224.73 2817.36 712.22 01:10:05 19.94 0.02 5.75 14.17 1.22 676.47 105642.75 Average: 14.96 0.95 8.52 5.49 75.17 1652.08 35787.47 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 6290728 7537604 283984 3.49 30920 1421716 528680 5.76 447964 1183916 160 01:00:01 5202772 7376180 392260 4.82 85548 2248204 582844 6.35 555540 2019648 185552 01:10:05 5131164 7307740 460704 5.66 86148 2250852 678708 7.39 619528 2022732 284 Average: 5541555 7407175 378983 4.66 67539 1973591 596744 6.50 541011 1742099 61999 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 2.18 0.10 0.31 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 45.01 29.41 315.20 7.35 0.00 0.00 0.00 0.00 01:10:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 33.33 23.62 41.51 5.23 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 26.81 17.70 118.32 4.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37125) 08/13/26 _x86_64_ (2 CPU) 00:38:42 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.27 0.00 0.09 0.02 0.03 99.59 00:50:05 0 0.29 0.00 0.09 0.01 0.04 99.58 00:50:05 1 0.25 0.00 0.09 0.02 0.03 99.61 01:00:01 all 11.07 0.00 1.72 0.84 0.05 86.32 01:00:01 0 9.45 0.00 1.71 0.64 0.05 88.15 01:00:01 1 12.69 0.00 1.73 1.04 0.06 84.48 01:10:05 all 1.82 0.00 0.43 0.24 0.06 97.45 01:10:05 0 2.32 0.00 0.48 0.14 0.08 96.98 01:10:05 1 1.32 0.00 0.39 0.34 0.05 97.91 Average: all 4.37 0.00 0.74 0.36 0.05 94.48 Average: 0 4.01 0.00 0.76 0.26 0.05 94.92 Average: 1 4.72 0.00 0.73 0.47 0.05 94.03