---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38534 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 8.1G 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 778 4929 4 2536 7162 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:86:b1:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81674sec preferred_lft 81674sec inet6 fe80::f816:3eff:fe86:b177/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38534) 07/25/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.65 0.03 1.61 0.02 1.26 19.35 0.46 02:10:08 1.43 0.00 1.42 0.01 0.04 16.72 0.95 02:20:08 14.01 0.01 1.41 12.60 0.16 16.59 109183.88 02:30:01 1.56 0.00 1.54 0.02 0.00 18.77 0.32 02:40:08 1.87 0.25 1.62 0.01 30.61 76.36 0.17 02:50:08 1.73 0.26 1.47 0.01 9.73 37.07 0.07 03:00:01 25.32 2.63 20.31 2.38 219.54 3759.42 530.89 Average: 6.76 0.45 4.17 2.15 37.04 557.60 15701.85 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6213092 7520884 290184 3.57 34612 1470696 519156 5.65 450388 1235328 276 02:10:08 6212116 7520472 290580 3.57 34832 1471028 519164 5.65 450484 1235880 168 02:20:08 6210664 7519616 291340 3.58 35052 1471400 519320 5.66 450644 1236436 260 02:30:01 6212012 7521484 289448 3.56 35228 1471720 519384 5.66 450992 1236940 292 02:40:08 6163760 7500656 309768 3.81 35576 1498448 728092 7.93 465716 1255116 204 02:50:08 6165716 7511924 298440 3.67 35792 1507432 525984 5.73 472032 1263188 256 03:00:01 4983164 7330940 425316 5.23 91268 2407268 695896 7.58 651752 2173752 3468 Average: 6022932 7489425 313582 3.86 43194 1613999 575285 6.27 484573 1376663 703 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.97 0.07 0.11 0.04 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.36 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.39 0.03 3.30 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.36 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.58 0.26 3.26 0.07 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 4.35 2.30 11.63 1.27 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 81.34 59.45 394.66 14.60 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.49 8.79 58.40 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38534) 07/25/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.16 0.01 0.04 99.52 02:00:01 0 0.40 0.00 0.14 0.01 0.03 99.42 02:00:01 1 0.14 0.00 0.18 0.01 0.05 99.62 02:10:08 all 0.24 0.00 0.07 0.01 0.04 99.64 02:10:08 0 0.44 0.00 0.06 0.02 0.03 99.45 02:10:08 1 0.05 0.00 0.08 0.00 0.04 99.83 02:20:08 all 0.26 0.00 0.08 0.03 0.04 99.59 02:20:08 0 0.46 0.00 0.05 0.01 0.03 99.46 02:20:08 1 0.06 0.00 0.11 0.05 0.06 99.72 02:30:01 all 0.26 0.00 0.15 0.01 0.04 99.54 02:30:01 0 0.45 0.00 0.14 0.02 0.04 99.35 02:30:01 1 0.06 0.00 0.17 0.00 0.05 99.73 02:40:08 all 0.35 0.00 0.10 0.03 0.04 99.48 02:40:08 0 0.55 0.00 0.11 0.04 0.03 99.25 02:40:08 1 0.15 0.00 0.09 0.01 0.04 99.71 02:50:08 all 0.39 0.00 0.08 0.01 0.03 99.49 02:50:08 0 0.40 0.00 0.09 0.01 0.03 99.47 02:50:08 1 0.38 0.00 0.08 0.01 0.03 99.50 03:00:01 all 17.58 0.00 1.97 0.56 0.06 79.83 03:00:01 0 17.77 0.00 1.55 0.40 0.06 80.23 03:00:01 1 17.38 0.00 2.39 0.72 0.06 79.44 Average: all 2.73 0.00 0.37 0.09 0.04 96.77 Average: 0 2.89 0.00 0.30 0.07 0.04 96.70 Average: 1 2.57 0.00 0.44 0.11 0.05 96.83