---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41081 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 8.0G 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 738 5214 4 2282 7203 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:b2:c2:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82430sec preferred_lft 82430sec inet6 fe80::f816:3eff:feb2:c22c/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-41081) 08/26/26 _x86_64_ (2 CPU) 00:58:43 LINUX RESTART (2 CPU) 01:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:13 1.47 0.03 1.44 0.00 1.24 18.31 2.31 01:20:01 2.16 0.73 1.43 0.01 96.13 76.14 59.61 01:30:13 1.44 0.00 1.42 0.02 1.03 17.79 0.33 01:40:13 1.16 0.00 1.16 0.00 0.00 14.32 2.31 01:50:13 1.15 0.00 1.15 0.00 0.00 14.28 0.00 02:00:00 15.82 1.50 13.36 0.96 112.44 2093.63 576.61 Average: 3.82 0.37 3.29 0.16 34.54 365.79 104.91 01:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:13 6306552 7556772 263560 3.24 30988 1425828 519812 5.66 444004 1188336 132 01:20:01 6245616 7525336 294248 3.62 31432 1454476 715300 7.79 461588 1207112 252 01:30:13 6253264 7533956 285664 3.51 31612 1455240 522944 5.70 457472 1207616 156 01:40:13 6253424 7534628 285000 3.50 31792 1455568 523024 5.70 458016 1208124 160 01:50:13 6252592 7534272 285348 3.51 31936 1455896 523088 5.70 458072 1208596 136 02:00:00 5452968 7399740 379964 4.67 71604 2047264 613428 6.68 566660 1823092 105656 Average: 6127403 7514117 298964 3.68 38227 1549045 569599 6.20 474302 1307146 17749 01:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 1.66 0.14 1.27 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.37 0.57 3.51 0.13 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.70 0.07 3.68 0.06 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.78 0.24 0.60 0.50 0.00 0.00 0.00 0.00 01:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 0.43 0.07 0.09 0.04 0.00 0.00 0.00 0.00 02:00:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:00:00 ens3 41.83 27.41 287.73 6.16 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 7.67 4.66 48.59 1.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41081) 08/26/26 _x86_64_ (2 CPU) 00:58:43 LINUX RESTART (2 CPU) 01:00:13 CPU %user %nice %system %iowait %steal %idle 01:10:13 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:13 0 0.44 0.00 0.06 0.00 0.01 99.49 01:10:13 1 0.11 0.00 0.11 0.02 0.03 99.73 01:20:01 all 0.36 0.00 0.14 0.03 0.02 99.44 01:20:01 0 0.29 0.00 0.11 0.02 0.02 99.56 01:20:01 1 0.44 0.00 0.18 0.03 0.02 99.32 01:30:13 all 0.29 0.00 0.18 0.01 0.02 99.50 01:30:13 0 0.49 0.00 0.15 0.01 0.02 99.33 01:30:13 1 0.08 0.00 0.20 0.01 0.03 99.68 01:40:13 all 0.27 0.00 0.07 0.01 0.02 99.63 01:40:13 0 0.17 0.00 0.07 0.01 0.02 99.74 01:40:13 1 0.36 0.00 0.08 0.01 0.02 99.53 01:50:13 all 0.23 0.00 0.08 0.01 0.02 99.66 01:50:13 0 0.05 0.00 0.10 0.00 0.03 99.82 01:50:13 1 0.40 0.00 0.07 0.02 0.01 99.50 02:00:00 all 6.38 0.00 1.02 0.31 0.04 92.25 02:00:00 0 10.08 0.00 1.34 0.26 0.04 88.28 02:00:00 1 2.67 0.00 0.71 0.37 0.03 96.22 Average: all 1.28 0.00 0.26 0.06 0.02 98.37 Average: 0 1.89 0.00 0.30 0.05 0.02 97.74 Average: 1 0.67 0.00 0.22 0.08 0.02 99.01