---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-900 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 784 5192 4 2258 7157 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:4b:75:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84967sec preferred_lft 84967sec inet6 fe80::f816:3eff:fe4b:7524/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-900) 09/07/26 _x86_64_ (2 CPU) 00:49:00 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 8.44 1.38 6.64 0.42 100.12 756.76 181.36 01:10:11 18.24 1.49 14.89 1.86 124.81 2761.25 1107.05 Average: 13.30 1.44 10.73 1.13 112.36 1750.54 640.30 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 5693872 7355044 439044 5.40 60588 1785196 674288 7.34 602380 1562020 213216 01:10:11 5200648 7383476 383216 4.71 87456 2256756 663536 7.23 603624 2028888 356 Average: 5447260 7369260 411130 5.06 74022 2020976 668912 7.29 603002 1795454 106786 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:00:11 ens3 29.16 19.08 167.88 5.21 0.00 0.00 0.00 0.00 01:10:11 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 01:10:11 ens3 78.05 66.35 157.38 14.03 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 53.40 42.51 162.67 9.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-900) 09/07/26 _x86_64_ (2 CPU) 00:49:00 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 4.05 0.00 0.82 0.29 0.01 94.83 01:00:11 0 2.15 0.00 0.71 0.33 0.00 96.80 01:00:11 1 5.96 0.00 0.93 0.24 0.01 92.85 01:10:11 all 12.47 0.00 2.09 0.29 0.01 85.14 01:10:11 0 14.57 0.00 2.16 0.41 0.01 82.85 01:10:11 1 10.37 0.00 2.02 0.17 0.01 87.43 Average: all 8.22 0.00 1.45 0.29 0.01 90.03 Average: 0 8.30 0.00 1.43 0.37 0.01 89.89 Average: 1 8.15 0.00 1.47 0.21 0.01 90.17