---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34202 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: 5600.00 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 766 5114 4 2362 7175 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:4d:17:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 52490sec preferred_lft 52490sec inet6 fe80::f816:3eff:fe4d:1799/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34202) 08/12/26 _x86_64_ (2 CPU) 00:00:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:26 1.51 0.02 1.47 0.02 0.81 19.12 0.60 00:20:26 1.55 0.11 1.42 0.02 3.05 21.55 335.27 00:30:00 1.47 0.00 1.46 0.02 0.00 17.34 0.24 Average: 1.51 0.04 1.45 0.02 1.31 19.36 113.73 00:00:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:26 6087784 7495272 313784 3.86 53448 1550148 565952 6.16 481000 1312908 176 00:20:26 6132824 7502520 306504 3.77 53600 1512184 563768 6.14 480024 1274752 140 00:30:00 6133788 7503960 304996 3.75 53732 1512516 563768 6.14 480040 1275216 124 Average: 6118132 7500584 308428 3.79 53593 1524949 564496 6.15 480355 1287625 147 00:00:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:26 ens3 0.30 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:20:26 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:26 ens3 0.40 0.30 0.08 1.58 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.58 0.15 0.19 0.11 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.43 0.18 0.13 0.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34202) 08/12/26 _x86_64_ (2 CPU) 00:00:26 CPU %user %nice %system %iowait %steal %idle 00:10:26 all 0.25 0.00 0.09 0.01 0.05 99.59 00:10:26 0 0.45 0.00 0.07 0.01 0.04 99.44 00:10:26 1 0.06 0.00 0.12 0.02 0.06 99.75 00:20:26 all 0.55 0.00 0.21 0.01 0.04 99.18 00:20:26 0 0.59 0.00 0.25 0.02 0.06 99.07 00:20:26 1 0.51 0.00 0.17 0.00 0.03 99.29 00:30:00 all 0.25 0.00 0.15 0.02 0.04 99.53 00:30:00 0 0.05 0.00 0.16 0.01 0.06 99.72 00:30:00 1 0.45 0.00 0.15 0.03 0.03 99.34 Average: all 0.35 0.00 0.15 0.02 0.05 99.43 Average: 0 0.37 0.00 0.16 0.01 0.05 99.41 Average: 1 0.33 0.00 0.14 0.02 0.04 99.46