---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35865 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 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 756 5198 4 2280 7185 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:07:43:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82230sec preferred_lft 82230sec inet6 fe80::f816:3eff:fe07:43d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35865) 07/15/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.65 0.01 1.62 0.02 1.10 19.13 435.52 01:10:20 1.43 0.00 1.41 0.02 0.00 16.44 1.28 01:20:00 14.58 0.01 1.58 13.00 0.17 18.55 113115.76 01:30:01 1.61 0.00 1.58 0.03 0.00 19.45 653.17 01:40:10 1.40 0.00 1.38 0.02 0.00 16.74 1.30 Average: 4.04 0.00 1.51 2.52 0.25 18.05 22014.36 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6256288 7530592 289616 3.56 30896 1448712 529820 5.77 456460 1201316 164 01:10:20 6255616 7530476 289716 3.56 31116 1449040 529884 5.77 456556 1201864 132 01:20:00 6255112 7530584 289504 3.56 31348 1449412 531392 5.79 457512 1202440 164 01:30:01 6261252 7537292 282760 3.48 31576 1449744 531392 5.79 457372 1203000 280 01:40:10 6267796 7544516 275528 3.39 31804 1450188 532632 5.80 458904 1203544 148 Average: 6259213 7534692 285425 3.51 31348 1449419 531024 5.78 457361 1202433 178 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.60 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.65 0.05 2.13 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.43 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.28 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.48 0.19 0.13 0.57 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 0.49 0.09 0.52 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35865) 07/15/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.03 99.50 01:00:01 0 0.14 0.00 0.16 0.01 0.03 99.66 01:00:01 1 0.44 0.00 0.16 0.02 0.03 99.35 01:10:20 all 0.24 0.00 0.07 0.01 0.03 99.65 01:10:20 0 0.43 0.00 0.06 0.00 0.02 99.50 01:10:20 1 0.06 0.00 0.08 0.02 0.04 99.80 01:20:00 all 0.32 0.00 0.09 0.03 0.03 99.52 01:20:00 0 0.14 0.00 0.11 0.05 0.04 99.66 01:20:00 1 0.51 0.00 0.07 0.01 0.03 99.38 01:30:01 all 0.27 0.00 0.17 0.01 0.03 99.52 01:30:01 0 0.36 0.00 0.15 0.01 0.03 99.46 01:30:01 1 0.19 0.00 0.19 0.01 0.04 99.58 01:40:10 all 0.25 0.00 0.06 0.01 0.03 99.64 01:40:10 0 0.33 0.00 0.05 0.01 0.03 99.59 01:40:10 1 0.17 0.00 0.08 0.01 0.04 99.70 Average: all 0.28 0.00 0.11 0.01 0.03 99.57 Average: 0 0.28 0.00 0.10 0.01 0.03 99.57 Average: 1 0.27 0.00 0.12 0.01 0.03 99.56