---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-40322 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: 5599.94 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 744 5118 4 2371 7197 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:b7:ff:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83910sec preferred_lft 83910sec inet6 fe80::f816:3eff:feb7:ffb9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40322) 08/23/26 _x86_64_ (2 CPU) 02:15:43 LINUX RESTART (2 CPU) 02:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:27 1.50 0.02 1.45 0.02 1.24 18.25 855.43 02:40:32 2.10 0.71 1.39 0.01 93.41 74.16 57.95 02:50:27 42.51 3.03 22.69 16.78 232.98 3912.96 108105.90 Average: 15.26 1.25 8.45 5.56 108.82 1324.48 36040.23 02:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:27 6294208 7540832 280584 3.45 30972 1421372 535588 5.83 441780 1184076 124 02:40:32 6228244 7504344 316344 3.89 31436 1449996 731504 7.97 464588 1202848 268 02:50:27 5152644 7403356 363828 4.47 87224 2323252 657780 7.16 604280 2085672 428 Average: 5891699 7482844 320252 3.94 49877 1731540 641624 6.99 503549 1490865 273 02:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 1.49 0.13 0.21 0.08 0.00 0.00 0.00 0.00 02:40:32 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 7.44 4.20 7.45 3.52 0.00 0.00 0.00 0.00 02:50:27 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:27 ens3 79.03 56.32 352.20 18.98 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 29.12 20.07 119.00 7.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-40322) 08/23/26 _x86_64_ (2 CPU) 02:15:43 LINUX RESTART (2 CPU) 02:20:27 CPU %user %nice %system %iowait %steal %idle 02:30:27 all 0.30 0.00 0.18 0.01 0.03 99.47 02:30:27 0 0.50 0.00 0.15 0.01 0.03 99.31 02:30:27 1 0.11 0.00 0.22 0.02 0.04 99.63 02:40:32 all 0.60 0.00 0.15 0.03 0.04 99.19 02:40:32 0 0.34 0.00 0.15 0.01 0.04 99.45 02:40:32 1 0.86 0.00 0.14 0.04 0.03 98.93 02:50:27 all 16.27 0.00 1.94 4.23 0.08 77.48 02:50:27 0 20.62 0.00 2.12 1.42 0.08 75.76 02:50:27 1 11.92 0.00 1.76 7.04 0.08 79.21 Average: all 5.68 0.00 0.75 1.41 0.05 92.11 Average: 0 7.09 0.00 0.80 0.48 0.05 91.58 Average: 1 4.26 0.00 0.70 2.35 0.05 92.65