---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6559 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 8.1G 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 775 5053 4 2407 7166 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:25:c1:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84085sec preferred_lft 84085sec inet6 fe80::f816:3eff:fe25:c12e/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-6559) 09/10/26 _x86_64_ (2 CPU) 05:09:14 LINUX RESTART (2 CPU) 05:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:09 24.62 1.92 20.43 2.26 175.88 3489.33 1402.64 05:30:39 1.52 0.01 1.48 0.03 0.05 74.35 4.38 05:40:29 1.40 0.00 1.38 0.02 0.00 101.74 3.54 Average: 9.07 0.63 7.68 0.76 57.84 1205.91 463.78 05:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:09 5147588 7375828 390476 4.80 87700 2301564 875460 9.54 594760 2064384 196 05:30:39 5142656 7389236 376464 4.63 87904 2319408 878884 9.57 597908 2082456 144 05:40:29 5116036 7389432 375832 4.62 88056 2345728 898244 9.78 600812 2108904 1080 Average: 5135427 7384832 380924 4.68 87887 2322233 884196 9.63 597827 2085248 473 05:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:09 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 05:20:09 ens3 90.17 61.93 269.18 12.52 0.00 0.00 0.00 0.00 05:30:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:39 ens3 20.92 20.98 7.82 2.21 0.00 0.00 0.00 0.00 05:40:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:29 ens3 58.68 53.08 28.82 5.28 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 55.95 44.87 100.56 6.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6559) 09/10/26 _x86_64_ (2 CPU) 05:09:14 LINUX RESTART (2 CPU) 05:10:12 CPU %user %nice %system %iowait %steal %idle 05:20:09 all 13.21 0.00 2.09 0.55 0.02 84.13 05:20:09 0 18.69 0.00 2.31 0.74 0.02 78.24 05:20:09 1 7.76 0.00 1.86 0.36 0.01 90.00 05:30:39 all 4.97 0.00 0.68 0.01 0.01 94.33 05:30:39 0 4.87 0.00 0.62 0.01 0.01 94.50 05:30:39 1 5.07 0.00 0.75 0.01 0.01 94.16 05:40:29 all 6.00 0.00 0.97 0.01 0.02 93.00 05:40:29 0 7.13 0.00 0.91 0.01 0.02 91.94 05:40:29 1 4.85 0.00 1.04 0.01 0.02 94.08 Average: all 8.02 0.00 1.24 0.19 0.01 90.53 Average: 0 10.15 0.00 1.27 0.25 0.02 88.31 Average: 1 5.89 0.00 1.21 0.13 0.01 92.76