---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3683 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 778 5182 4 2274 7163 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:26:cd:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82224sec preferred_lft 82224sec inet6 fe80::f816:3eff:fe26:cd7e/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-3683) 08/09/26 _x86_64_ (2 CPU) 01:46:16 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.50 0.02 1.46 0.02 1.24 18.02 215.62 02:10:03 2.34 0.72 1.61 0.01 95.27 75.66 58.51 02:20:03 1.33 0.00 1.32 0.00 0.01 15.15 2.31 02:30:03 1.52 0.00 1.50 0.02 0.00 17.91 0.25 02:40:03 1.37 0.00 1.37 0.00 0.00 16.14 0.00 02:50:03 26.21 1.40 10.46 14.35 103.13 1547.48 108532.86 Average: 5.71 0.36 2.95 2.40 33.25 281.45 18115.95 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6278380 7528792 292324 3.59 31016 1425288 529068 5.76 440864 1188372 196 02:10:03 6258184 7538180 282272 3.47 31484 1454036 529128 5.76 451632 1206956 252 02:20:03 6257192 7537680 282772 3.48 31644 1454356 529304 5.77 451764 1207440 172 02:30:03 6248440 7529464 290900 3.58 31828 1454680 529304 5.77 451852 1207948 188 02:40:03 6254908 7536576 283784 3.49 32004 1455144 530060 5.77 458200 1208460 188 02:50:03 5448824 7334072 448656 5.52 68660 1989864 668552 7.28 620060 1765248 207168 Average: 6124321 7500794 313451 3.85 37773 1538895 552569 6.02 479062 1297404 34694 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.73 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:10:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.81 0.27 6.72 0.03 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.64 0.06 1.02 0.02 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 6.16 3.76 4.10 3.32 0.00 0.00 0.00 0.00 02:50:03 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:03 ens3 33.01 21.69 206.72 9.63 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 6.94 4.31 36.42 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3683) 08/09/26 _x86_64_ (2 CPU) 01:46:16 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.29 0.00 0.16 0.01 0.04 99.50 02:00:03 0 0.52 0.00 0.14 0.01 0.03 99.32 02:00:03 1 0.07 0.00 0.19 0.02 0.05 99.68 02:10:03 all 0.37 0.00 0.11 0.03 0.03 99.45 02:10:03 0 0.44 0.00 0.09 0.01 0.03 99.43 02:10:03 1 0.31 0.00 0.12 0.05 0.04 99.48 02:20:03 all 0.24 0.00 0.07 0.01 0.04 99.64 02:20:03 0 0.06 0.00 0.10 0.01 0.04 99.79 02:20:03 1 0.43 0.00 0.05 0.01 0.03 99.49 02:30:03 all 0.26 0.00 0.17 0.01 0.03 99.52 02:30:03 0 0.46 0.00 0.17 0.02 0.03 99.34 02:30:03 1 0.07 0.00 0.17 0.01 0.04 99.71 02:40:03 all 0.40 0.00 0.10 0.01 0.03 99.46 02:40:03 0 0.54 0.00 0.10 0.00 0.03 99.33 02:40:03 1 0.26 0.00 0.10 0.02 0.03 99.59 02:50:03 all 5.68 0.00 0.91 3.21 0.04 90.16 02:50:03 0 4.32 0.00 0.75 2.38 0.04 92.51 02:50:03 1 7.04 0.00 1.07 4.04 0.05 87.81 Average: all 1.21 0.00 0.25 0.55 0.03 97.96 Average: 0 1.05 0.00 0.22 0.40 0.03 98.29 Average: 1 1.36 0.00 0.28 0.69 0.04 97.63