---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37430 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 8.2G 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 771 5000 4 2471 7170 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:7a:02:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83727sec preferred_lft 83727sec inet6 fe80::f816:3eff:fe7a:27e/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-37430) 08/14/26 _x86_64_ (2 CPU) 01:00:06 LINUX RESTART (2 CPU) 01:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:16 1.35 0.01 1.33 0.01 0.07 18.95 0.90 01:30:01 2.53 0.73 1.76 0.04 97.63 82.49 59.76 01:40:16 1.49 0.00 1.46 0.03 0.44 19.10 0.25 Average: 1.78 0.24 1.51 0.03 32.01 39.72 19.87 01:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:16 5243364 7420840 346856 4.27 85960 2252116 609948 6.64 576204 2024772 252 01:30:01 5176332 7383788 383528 4.72 86380 2281572 610008 6.64 586708 2044032 252 01:40:16 5183920 7392552 374828 4.61 86588 2282548 616868 6.72 589872 2045092 144 Average: 5201205 7399060 368404 4.53 86309 2272079 612275 6.67 584261 2037965 216 01:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 1.48 0.25 0.24 0.11 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.12 0.46 9.13 0.10 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 1.15 0.33 1.09 0.12 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 1.25 0.35 3.43 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37430) 08/14/26 _x86_64_ (2 CPU) 01:00:06 LINUX RESTART (2 CPU) 01:10:22 CPU %user %nice %system %iowait %steal %idle 01:20:16 all 0.97 0.00 0.14 0.01 0.08 98.81 01:20:16 0 0.72 0.00 0.14 0.00 0.09 99.05 01:20:16 1 1.22 0.00 0.14 0.01 0.07 98.56 01:30:01 all 1.06 0.00 0.26 0.07 0.06 98.55 01:30:01 0 0.79 0.00 0.25 0.05 0.04 98.87 01:30:01 1 1.33 0.00 0.27 0.08 0.08 98.23 01:40:16 all 0.84 0.00 0.12 0.01 0.06 98.97 01:40:16 0 1.03 0.00 0.15 0.02 0.07 98.73 01:40:16 1 0.66 0.00 0.09 0.00 0.04 99.20 Average: all 0.96 0.00 0.17 0.03 0.06 98.78 Average: 0 0.85 0.00 0.18 0.02 0.07 98.88 Average: 1 1.06 0.00 0.17 0.03 0.06 98.68