---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-693 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: 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 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 8.1G 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 785 5012 4 2446 7156 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:b9:46:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82844sec preferred_lft 82844sec inet6 fe80::f816:3eff:feb9:4676/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-693) 09/06/26 _x86_64_ (2 CPU) 00:04:42 LINUX RESTART (2 CPU) 00:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:35 1.46 0.03 1.42 0.01 1.24 17.49 203.47 00:30:01 1.57 0.00 1.54 0.03 0.00 18.65 679.76 00:40:47 24.24 2.82 19.25 2.17 214.35 3315.89 1175.47 00:50:15 17.21 14.63 2.50 0.08 204.20 178.78 6.90 01:00:01 1.61 0.00 1.57 0.05 0.00 95.75 2.74 Average: 9.41 3.39 5.52 0.50 85.21 775.25 426.63 00:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:35 6281828 7528692 291672 3.59 30624 1423116 528212 5.75 441120 1183928 176 00:30:01 6277796 7525176 295152 3.63 30816 1423448 528436 5.76 441260 1184444 304 00:40:47 5217324 7398448 368436 4.53 88556 2253884 640120 6.97 589692 2026672 224 00:50:15 5072380 7358688 398532 4.90 92072 2347064 852384 9.28 612560 2112532 160 01:00:01 5060432 7369424 387308 4.76 92264 2369200 846712 9.22 615368 2134852 224 Average: 5581952 7436086 348220 4.28 66866 1963342 679173 7.40 540000 1728486 218 00:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:35 ens3 0.61 0.09 0.10 0.05 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 0.87 0.10 0.32 0.07 0.00 0.00 0.00 0.00 00:40:47 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:47 ens3 55.77 44.21 294.60 10.86 0.00 0.00 0.00 0.00 00:50:15 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 38.71 34.02 11.16 4.26 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 46.72 46.39 10.35 6.43 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.80 25.10 67.78 4.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-693) 09/06/26 _x86_64_ (2 CPU) 00:04:42 LINUX RESTART (2 CPU) 00:10:05 CPU %user %nice %system %iowait %steal %idle 00:20:35 all 0.28 0.00 0.10 0.01 0.00 99.60 00:20:35 0 0.08 0.00 0.12 0.02 0.00 99.76 00:20:35 1 0.48 0.00 0.08 0.00 0.00 99.44 00:30:01 all 0.32 0.00 0.18 0.01 0.00 99.48 00:30:01 0 0.12 0.00 0.20 0.02 0.01 99.66 00:30:01 1 0.53 0.00 0.16 0.00 0.00 99.31 00:40:47 all 11.35 0.00 1.91 0.53 0.01 86.19 00:40:47 0 6.75 0.00 1.66 0.24 0.01 91.34 00:40:47 1 15.96 0.00 2.17 0.83 0.01 81.02 00:50:15 all 4.14 0.17 0.62 0.20 0.01 94.86 00:50:15 0 6.07 0.16 0.61 0.22 0.01 92.93 00:50:15 1 2.25 0.18 0.63 0.18 0.01 96.75 01:00:01 all 6.88 0.00 0.76 0.02 0.01 92.34 01:00:01 0 5.61 0.00 0.76 0.02 0.01 93.60 01:00:01 1 8.15 0.00 0.76 0.02 0.01 91.07 Average: all 4.70 0.03 0.73 0.16 0.01 94.37 Average: 0 3.73 0.03 0.68 0.10 0.01 95.45 Average: 1 5.67 0.03 0.78 0.22 0.01 93.29