---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38281 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 757 5038 4 2447 7183 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:d3:15:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5399sec preferred_lft 5399sec inet6 fe80::f816:3eff:fed3:15ad/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-38281) 08/18/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.74 0.02 1.71 0.02 0.82 20.40 0.57 00:20:40 1.86 0.10 1.74 0.02 2.86 23.95 358.36 00:30:00 29.71 3.17 24.04 2.50 242.58 3278.77 1096.06 Average: 10.49 1.03 8.67 0.79 76.82 1036.18 468.97 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6128908 7529640 279816 3.44 55104 1541608 536740 5.85 470420 1313232 120 00:20:40 6145624 7506416 302932 3.72 55264 1501456 534080 5.82 469120 1273024 124 00:30:00 5148728 7437980 318844 3.92 106156 2334092 561620 6.12 550612 2111164 112304 Average: 5807753 7491345 300531 3.70 72175 1792385 544147 5.93 496717 1565807 37516 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.29 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:20:40 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:40 ens3 0.24 0.10 0.09 0.06 0.00 0.00 0.00 0.00 00:30:00 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:30:00 ens3 70.04 49.02 342.85 12.27 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.99 15.33 106.81 3.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38281) 08/18/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.26 0.00 0.09 0.01 0.03 99.61 00:10:00 0 0.04 0.00 0.09 0.00 0.04 99.82 00:10:00 1 0.47 0.00 0.09 0.02 0.02 99.40 00:20:40 all 0.63 0.00 0.19 0.01 0.03 99.14 00:20:40 0 0.91 0.00 0.17 0.01 0.02 98.89 00:20:40 1 0.34 0.00 0.22 0.01 0.05 99.39 00:30:00 all 12.41 0.00 1.92 0.53 0.05 85.08 00:30:00 0 9.67 0.00 1.66 0.69 0.04 87.94 00:30:00 1 15.17 0.00 2.18 0.36 0.06 82.22 Average: all 4.17 0.00 0.70 0.17 0.04 94.92 Average: 0 3.35 0.00 0.61 0.22 0.03 95.79 Average: 1 5.00 0.00 0.79 0.12 0.04 94.05