---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47339 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 764 5107 4 2371 7176 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:ae:71:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4945sec preferred_lft 4945sec inet6 fe80::f816:3eff:feae:71f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47339) 09/05/26 _x86_64_ (2 CPU) 00:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:25 1.79 0.02 1.76 0.01 0.81 20.80 423.38 00:20:25 1.88 0.11 1.74 0.03 3.17 24.43 465.85 00:30:16 1.87 0.00 1.85 0.02 0.00 20.60 454.83 00:40:09 12.24 1.37 10.30 0.57 99.59 1529.76 328.08 00:50:25 15.21 1.45 11.98 1.79 121.13 2121.39 1725.74 01:00:22 1.80 0.00 1.78 0.02 0.00 26.06 0.36 Average: 5.84 0.49 4.93 0.41 37.80 630.38 572.49 00:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:25 6093124 7503252 304900 3.75 54428 1552492 734868 8.00 471720 1322512 384 00:20:25 6133240 7503896 304232 3.74 54552 1512888 732612 7.98 470624 1282796 212 00:30:16 6140608 7511880 296104 3.64 54696 1513348 732764 7.98 470736 1283268 140 00:40:09 5450448 7367544 404452 4.97 88808 1994076 774036 8.43 530136 1784636 160532 00:50:25 5070628 7366912 388684 4.78 105952 2342256 846620 9.22 606156 2118396 512 01:00:22 5339012 7447148 317276 3.90 106084 2161952 771356 8.40 560524 1938224 1648 Average: 5704510 7450105 335941 4.13 77420 1846169 765376 8.34 518316 1621639 27238 00:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:25 ens3 0.41 0.12 0.13 0.08 0.00 0.00 0.00 0.00 00:20:25 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:25 ens3 0.37 0.12 0.10 0.06 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.65 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:09 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:40:09 ens3 28.68 21.30 173.93 5.65 0.00 0.00 0.00 0.00 00:50:25 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 00:50:25 ens3 39.59 31.61 166.78 6.71 0.00 0.00 0.00 0.00 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 11.26 10.15 96.41 1.20 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 13.61 10.67 73.29 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47339) 09/05/26 _x86_64_ (2 CPU) 00:00:25 CPU %user %nice %system %iowait %steal %idle 00:10:25 all 0.27 0.00 0.11 0.01 0.00 99.61 00:10:25 0 0.36 0.00 0.10 0.02 0.00 99.52 00:10:25 1 0.17 0.00 0.12 0.00 0.00 99.70 00:20:25 all 0.64 0.00 0.24 0.01 0.00 99.11 00:20:25 0 0.82 0.00 0.23 0.02 0.00 98.94 00:20:25 1 0.46 0.00 0.25 0.01 0.00 99.28 00:30:16 all 0.26 0.00 0.16 0.01 0.00 99.57 00:30:16 0 0.25 0.00 0.13 0.01 0.00 99.60 00:30:16 1 0.26 0.00 0.18 0.00 0.01 99.55 00:40:09 all 4.66 0.00 0.86 0.24 0.01 94.23 00:40:09 0 6.46 0.00 1.05 0.41 0.01 92.08 00:40:09 1 2.87 0.00 0.67 0.08 0.01 96.37 00:50:25 all 7.68 0.00 1.38 0.31 0.03 90.60 00:50:25 0 6.43 0.00 1.22 0.46 0.02 91.86 00:50:25 1 8.94 0.00 1.54 0.15 0.03 89.34 01:00:22 all 1.03 0.00 0.38 0.01 0.01 98.57 01:00:22 0 1.07 0.00 0.37 0.01 0.01 98.54 01:00:22 1 0.99 0.00 0.39 0.01 0.01 98.61 Average: all 2.45 0.00 0.53 0.10 0.01 96.92 Average: 0 2.58 0.00 0.52 0.16 0.01 96.74 Average: 1 2.31 0.00 0.53 0.04 0.01 97.11