---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46789 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 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 7.9G 30G 21% / 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 774 5118 4 2351 7167 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:ec:e1:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 49339sec preferred_lft 49339sec inet6 fe80::f816:3eff:feec:e1d5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46789) 09/03/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.59 0.02 1.56 0.02 0.81 19.21 0.59 00:20:08 1.81 0.12 1.65 0.04 3.75 23.61 276.97 00:30:08 1.61 0.00 1.57 0.04 0.00 18.25 2.13 00:40:08 1.35 0.00 1.34 0.01 0.00 14.65 1.56 00:50:08 13.26 1.39 11.07 0.80 102.36 1597.12 358.34 01:00:08 14.86 1.58 11.72 1.56 124.81 1921.56 810.01 Average: 5.75 0.52 4.82 0.41 38.62 599.07 241.60 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6145248 7531172 277248 3.41 53300 1529740 536168 5.84 409424 1356140 376 00:20:08 6169064 7516392 291976 3.59 53440 1490956 533516 5.81 408156 1317164 308 00:30:08 6169812 7517628 290712 3.57 53596 1491284 533516 5.81 408156 1317648 272 00:40:08 6176872 7525264 283080 3.48 53720 1491732 533648 5.81 408464 1318096 244 00:50:08 5298164 7341940 427688 5.26 89028 2118472 681996 7.43 581332 1965600 258524 01:00:08 5108520 7384864 370952 4.56 104968 2323552 638532 6.95 541992 2155792 284 Average: 5844613 7469543 323609 3.98 68009 1740956 576229 6.28 459587 1571740 43335 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.32 0.11 0.11 0.07 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.22 0.07 0.06 0.04 0.00 0.00 0.00 0.00 00:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.61 0.17 0.21 0.13 0.00 0.00 0.00 0.00 00:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:08 ens3 0.45 0.14 0.16 0.10 0.00 0.00 0.00 0.00 00:50:08 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:50:08 ens3 37.72 25.91 277.81 7.38 0.00 0.00 0.00 0.00 01:00:08 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 01:00:08 ens3 60.93 50.23 48.29 11.46 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.71 12.77 54.44 3.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46789) 09/03/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.26 0.00 0.10 0.01 0.00 99.62 00:10:08 0 0.48 0.00 0.07 0.02 0.00 99.43 00:10:08 1 0.05 0.00 0.14 0.01 0.00 99.80 00:20:08 all 0.64 0.00 0.26 0.02 0.00 99.08 00:20:08 0 0.49 0.00 0.26 0.00 0.00 99.24 00:20:08 1 0.78 0.00 0.26 0.03 0.00 98.92 00:30:08 all 0.28 0.00 0.18 0.01 0.00 99.52 00:30:08 0 0.27 0.00 0.17 0.01 0.01 99.54 00:30:08 1 0.29 0.00 0.19 0.01 0.00 99.50 00:40:08 all 0.27 0.00 0.08 0.01 0.00 99.64 00:40:08 0 0.48 0.00 0.03 0.02 0.00 99.47 00:40:08 1 0.06 0.00 0.12 0.00 0.01 99.81 00:50:08 all 5.50 0.00 0.95 0.35 0.00 93.20 00:50:08 0 7.31 0.00 1.08 0.48 0.00 91.13 00:50:08 1 3.68 0.00 0.82 0.23 0.01 95.27 01:00:08 all 10.02 0.00 1.85 0.25 0.01 87.86 01:00:08 0 8.60 0.00 1.82 0.28 0.01 89.29 01:00:08 1 11.45 0.00 1.88 0.23 0.01 86.43 Average: all 2.83 0.00 0.57 0.11 0.00 96.49 Average: 0 2.94 0.00 0.57 0.14 0.00 96.35 Average: 1 2.72 0.00 0.57 0.08 0.01 96.63