---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-787 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 758 5109 4 2376 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:ba:de:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6304sec preferred_lft 6304sec inet6 fe80::f816:3eff:feba:de54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-787) 09/07/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 1.78 0.02 1.76 0.01 0.83 21.07 420.52 00:20:01 15.36 0.11 1.81 13.44 3.23 25.36 110269.54 00:30:01 1.83 0.00 1.82 0.02 0.00 20.57 846.36 00:40:05 1.51 0.00 1.51 0.00 0.00 16.57 0.00 00:50:01 26.22 2.86 21.04 2.32 224.45 3574.17 1797.55 01:00:01 1.77 0.00 1.75 0.02 0.00 25.27 0.49 Average: 8.03 0.49 4.93 2.62 37.81 609.56 18742.24 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6086716 7500400 307556 3.78 53916 1556500 733940 7.99 480600 1325372 384 00:20:01 6110620 7485704 322132 3.96 54068 1517696 730876 7.96 479256 1286476 240 00:30:01 6122324 7497852 310008 3.81 54184 1518028 730876 7.96 479236 1286920 336 00:40:05 6122324 7498272 309596 3.81 54280 1518352 730876 7.96 479268 1287344 224 00:50:01 5061688 7362036 393308 4.84 105732 2346500 833248 9.08 608084 2121880 260 01:00:01 5035556 7338012 417292 5.13 105840 2348512 849996 9.26 616464 2123872 400 Average: 5756538 7447046 343315 4.22 71337 1800931 768302 8.37 523818 1571977 307 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.27 0.10 0.09 0.06 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.21 0.08 0.06 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.51 0.11 0.16 0.09 0.00 0.00 0.00 0.00 00:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:05 ens3 0.41 0.13 0.14 0.09 0.00 0.00 0.00 0.00 00:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:50:01 ens3 64.77 51.03 331.80 12.29 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 10.49 8.31 71.88 0.86 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.70 9.90 66.96 2.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-787) 09/07/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.26 0.00 0.11 0.01 0.00 99.62 00:10:06 0 0.05 0.00 0.11 0.01 0.00 99.82 00:10:06 1 0.46 0.00 0.11 0.01 0.00 99.41 00:20:01 all 0.62 0.00 0.24 0.05 0.00 99.09 00:20:01 0 0.80 0.00 0.24 0.02 0.00 98.94 00:20:01 1 0.44 0.00 0.25 0.08 0.00 99.23 00:30:01 all 0.23 0.00 0.16 0.01 0.00 99.59 00:30:01 0 0.41 0.00 0.16 0.00 0.00 99.43 00:30:01 1 0.06 0.00 0.17 0.02 0.00 99.75 00:40:05 all 0.24 0.00 0.07 0.01 0.00 99.67 00:40:05 0 0.44 0.00 0.04 0.00 0.00 99.52 00:40:05 1 0.04 0.00 0.11 0.02 0.00 99.83 00:50:01 all 11.90 0.00 2.09 0.57 0.01 85.43 00:50:01 0 11.69 0.00 1.99 0.47 0.02 85.83 00:50:01 1 12.11 0.00 2.18 0.68 0.01 85.03 01:00:01 all 0.86 0.00 0.32 0.01 0.01 98.79 01:00:01 0 1.00 0.00 0.37 0.01 0.01 98.62 01:00:01 1 0.73 0.00 0.28 0.02 0.01 98.97 Average: all 2.34 0.00 0.50 0.11 0.00 97.05 Average: 0 2.38 0.00 0.48 0.08 0.01 97.05 Average: 1 2.29 0.00 0.51 0.14 0.00 97.05