---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37425 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 806 4959 4 2477 7135 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:d9:ce:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83787sec preferred_lft 83787sec inet6 fe80::f816:3eff:fed9:ce81/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37425) 08/14/26 _x86_64_ (2 CPU) 00:59:40 LINUX RESTART (2 CPU) 01:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:19 31.39 5.85 23.25 2.29 577.37 5920.96 1046.65 01:20:09 2.38 0.73 1.64 0.01 95.79 85.90 57.78 01:30:19 1.47 0.00 1.45 0.02 1.04 21.85 0.28 01:40:02 1.25 0.02 1.23 0.00 0.62 16.37 0.04 Average: 9.35 1.69 7.06 0.60 172.75 1556.58 284.02 01:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:19 5211400 7388920 379240 4.66 85692 2252492 635388 6.92 600356 2024400 296 01:20:09 5126912 7335880 431616 5.31 86124 2283428 835584 9.10 622688 2045424 256 01:30:19 5136272 7347196 420468 5.17 86272 2285168 641032 6.98 616780 2047044 196 01:40:02 5147916 7359808 407864 5.02 86412 2285996 641124 6.98 616908 2047892 216 Average: 5155625 7357951 409797 5.04 86125 2276771 688282 7.50 614183 2041190 241 01:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:19 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:10:19 ens3 55.46 34.68 341.35 9.23 0.00 0.00 0.00 0.00 01:20:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 2.07 0.71 3.54 0.14 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.99 0.35 5.62 0.12 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 1.03 0.23 1.12 0.09 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.30 9.26 90.54 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37425) 08/14/26 _x86_64_ (2 CPU) 00:59:40 LINUX RESTART (2 CPU) 01:00:00 CPU %user %nice %system %iowait %steal %idle 01:10:19 all 12.52 0.00 2.12 1.02 0.11 84.23 01:10:19 0 13.25 0.00 2.19 1.22 0.12 83.22 01:10:19 1 11.79 0.00 2.05 0.83 0.09 85.25 01:20:09 all 1.22 0.00 0.19 0.03 0.10 98.46 01:20:09 0 0.84 0.00 0.18 0.04 0.07 98.86 01:20:09 1 1.59 0.00 0.19 0.03 0.12 98.06 01:30:19 all 0.94 0.00 0.23 0.01 0.10 98.72 01:30:19 0 0.73 0.00 0.22 0.01 0.08 98.96 01:30:19 1 1.15 0.00 0.24 0.01 0.12 98.48 01:40:02 all 0.85 0.00 0.14 0.02 0.09 98.91 01:40:02 0 0.94 0.00 0.15 0.03 0.11 98.78 01:40:02 1 0.75 0.00 0.12 0.00 0.08 99.04 Average: all 3.97 0.00 0.68 0.28 0.10 94.97 Average: 0 4.03 0.00 0.70 0.34 0.10 94.84 Average: 1 3.91 0.00 0.67 0.22 0.10 95.10