---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38477 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 769 5102 4 2362 7172 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:49:7a:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82769sec preferred_lft 82769sec inet6 fe80::f816:3eff:fe49:7a6a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38477) 07/25/26 _x86_64_ (2 CPU) 00:34:13 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.44 0.01 1.41 0.02 0.05 28.41 1.11 01:00:00 15.06 0.00 1.54 13.52 0.15 24.48 106507.06 01:10:00 1.44 0.00 1.42 0.02 0.00 132.53 391.57 01:20:00 1.94 0.25 1.65 0.04 30.99 95.05 4.23 01:30:00 1.70 0.01 1.65 0.05 1.05 26.48 4.39 Average: 4.32 0.05 1.53 2.73 6.45 61.39 21381.67 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5159184 7349308 417540 5.13 86380 2263604 669512 7.29 611088 2035328 124 01:00:00 5150116 7342256 424500 5.22 86548 2265456 687956 7.49 629580 2037320 124 01:10:00 5111488 7338724 427956 5.26 86732 2300276 672868 7.33 614880 2072324 172 01:20:00 5062172 7321888 444156 5.46 87056 2332016 879244 9.58 635076 2095624 160 01:30:00 5042664 7305004 461092 5.67 87248 2334404 711140 7.75 662300 2097756 188 Average: 5105125 7331436 435049 5.35 86793 2299151 724144 7.89 630585 2067670 154 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 20.46 19.15 223.60 1.75 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 9.33 8.93 61.33 0.94 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 13.62 12.60 156.68 1.22 0.00 0.00 0.00 0.00 01:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 18.33 17.33 145.34 2.49 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 14.12 13.31 140.12 1.18 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.17 14.26 145.41 1.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38477) 07/25/26 _x86_64_ (2 CPU) 00:34:13 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 1.04 0.00 0.28 0.01 0.04 98.63 00:50:00 0 1.13 0.00 0.26 0.01 0.04 98.57 00:50:00 1 0.95 0.00 0.30 0.01 0.04 98.69 01:00:00 all 3.02 0.00 0.53 0.03 0.05 96.37 01:00:00 0 5.12 0.00 0.67 0.01 0.06 94.14 01:00:00 1 0.97 0.00 0.39 0.04 0.05 98.55 01:10:00 all 4.36 0.00 0.56 0.01 0.06 95.01 01:10:00 0 5.68 0.00 0.67 0.01 0.07 93.57 01:10:00 1 3.07 0.00 0.45 0.01 0.06 96.41 01:20:00 all 2.16 0.00 0.36 0.02 0.04 97.43 01:20:00 0 2.08 0.00 0.35 0.00 0.04 97.53 01:20:00 1 2.24 0.00 0.36 0.03 0.04 97.33 01:30:00 all 0.95 0.00 0.34 0.01 0.04 98.66 01:30:00 0 0.78 0.00 0.22 0.01 0.02 98.98 01:30:00 1 1.13 0.00 0.47 0.01 0.05 98.34 Average: all 2.30 0.00 0.41 0.01 0.05 97.23 Average: 0 2.93 0.00 0.43 0.01 0.04 96.59 Average: 1 1.67 0.00 0.39 0.02 0.05 97.87