---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41902 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: 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 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 766 5122 4 2355 7175 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:d5:aa:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5233sec preferred_lft 5233sec inet6 fe80::f816:3eff:fed5:aa3a/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-41902) 08/29/26 _x86_64_ (2 CPU) 00:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.75 0.02 1.72 0.02 0.88 20.90 446.43 00:20:31 1.79 0.10 1.66 0.03 2.91 23.09 463.96 00:30:13 1.87 0.00 1.85 0.03 0.00 20.89 873.40 00:40:01 24.29 2.86 19.19 2.23 226.13 2947.78 822.87 00:50:23 4.05 0.01 3.83 0.20 1.04 643.11 44.57 Average: 6.69 0.59 5.61 0.50 45.47 726.19 523.71 00:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6111044 7505328 302916 3.72 54012 1536848 547544 5.96 423112 1361232 240 00:20:31 6130852 7485764 322480 3.97 54168 1497328 544652 5.93 421768 1321652 296 00:30:13 6137396 7492768 315464 3.88 54284 1497660 546280 5.95 422848 1322100 348 00:40:01 5082484 7359044 396668 4.88 104660 2323628 651188 7.09 583012 2153380 180376 00:50:23 5050676 7330344 425428 5.23 105160 2326264 665364 7.25 565956 2156396 260 Average: 5702490 7434650 352591 4.34 74457 1836346 591006 6.44 483339 1662952 36304 00:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.40 0.13 0.15 0.10 0.00 0.00 0.00 0.00 00:20:31 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:31 ens3 0.43 0.13 0.13 0.08 0.00 0.00 0.00 0.00 00:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:13 ens3 0.63 0.18 0.20 0.11 0.00 0.00 0.00 0.00 00:40:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 42.69 32.04 318.92 7.75 0.00 0.00 0.00 0.00 00:50:23 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 27.88 20.24 39.70 4.74 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 14.48 10.59 71.06 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41902) 08/29/26 _x86_64_ (2 CPU) 00:00:31 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.12 0.01 0.00 99.64 00:10:01 0 0.05 0.00 0.12 0.02 0.00 99.81 00:10:01 1 0.42 0.00 0.11 0.00 0.00 99.47 00:20:31 all 0.62 0.00 0.22 0.01 0.01 99.13 00:20:31 0 0.70 0.00 0.24 0.02 0.01 99.04 00:20:31 1 0.55 0.00 0.20 0.01 0.01 99.23 00:30:13 all 0.29 0.00 0.19 0.03 0.01 99.47 00:30:13 0 0.24 0.00 0.19 0.02 0.01 99.54 00:30:13 1 0.34 0.00 0.19 0.05 0.02 99.39 00:40:01 all 10.97 0.00 1.86 0.50 0.01 86.66 00:40:01 0 9.13 0.00 1.83 0.28 0.01 88.75 00:40:01 1 12.81 0.00 1.89 0.72 0.01 84.57 00:50:23 all 1.74 0.00 0.44 0.03 0.01 97.77 00:50:23 0 1.95 0.00 0.42 0.03 0.01 97.58 00:50:23 1 1.53 0.00 0.47 0.04 0.01 97.95 Average: all 2.75 0.00 0.56 0.12 0.01 96.55 Average: 0 2.41 0.00 0.56 0.07 0.01 96.96 Average: 1 3.10 0.00 0.57 0.16 0.01 96.15