---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14239 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 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 746 5285 4 2198 7195 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:ef:c4:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81806sec preferred_lft 81806sec inet6 fe80::f816:3eff:feef:c47c/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-14239) 05/14/26 _x86_64_ (2 CPU) 01:57:21 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.39 0.02 1.37 0.00 1.24 16.45 0.12 02:20:01 1.37 0.01 1.35 0.01 0.07 16.45 0.86 02:30:06 1.54 0.00 1.51 0.03 0.00 18.96 865.43 02:40:06 1.32 0.00 1.30 0.02 0.00 15.79 1.20 02:50:01 14.08 0.00 1.41 12.67 0.15 16.95 110174.99 03:00:08 2.23 0.28 1.91 0.04 33.75 78.37 862.01 03:10:09 23.74 3.02 18.50 2.22 226.28 3181.74 515.37 Average: 6.51 0.48 3.91 2.13 37.43 478.21 15913.75 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6289392 7540612 280016 3.44 30612 1426276 520364 5.67 448096 1187144 228 02:20:01 6294100 7545876 274724 3.38 30836 1426596 520364 5.67 448044 1187696 160 02:30:06 6287072 7539412 281196 3.46 31056 1426920 520504 5.67 448212 1188240 184 02:40:06 6286596 7539464 281172 3.46 31248 1427248 520568 5.67 448324 1188760 220 02:50:01 6286344 7539812 280800 3.45 31464 1427624 520568 5.67 448332 1189324 124 03:00:08 6254816 7536144 283924 3.49 31900 1454656 520640 5.67 457020 1207028 124 03:10:09 5284520 7412396 359152 4.42 85344 2206436 680620 7.41 599200 1967132 240 Average: 6140406 7521959 291569 3.59 38923 1542251 543375 5.92 471033 1302189 183 02:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.78 0.06 0.08 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.38 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.62 0.29 3.17 0.09 0.00 0.00 0.00 0.00 03:10:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:09 ens3 107.01 78.41 311.91 18.41 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 15.68 11.29 45.09 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14239) 05/14/26 _x86_64_ (2 CPU) 01:57:21 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.26 0.00 0.08 0.01 0.02 99.62 02:10:07 0 0.06 0.00 0.08 0.01 0.02 99.82 02:10:07 1 0.47 0.00 0.07 0.01 0.03 99.43 02:20:01 all 0.26 0.00 0.07 0.01 0.03 99.62 02:20:01 0 0.06 0.00 0.10 0.01 0.04 99.79 02:20:01 1 0.46 0.00 0.05 0.01 0.02 99.46 02:30:06 all 0.26 0.00 0.16 0.01 0.03 99.55 02:30:06 0 0.25 0.00 0.15 0.01 0.02 99.56 02:30:06 1 0.27 0.00 0.17 0.00 0.03 99.53 02:40:06 all 0.23 0.00 0.07 0.03 0.03 99.64 02:40:06 0 0.41 0.00 0.04 0.03 0.02 99.51 02:40:06 1 0.06 0.00 0.09 0.04 0.03 99.77 02:50:01 all 0.25 0.00 0.09 0.04 0.02 99.61 02:50:01 0 0.36 0.00 0.06 0.05 0.02 99.51 02:50:01 1 0.14 0.00 0.11 0.02 0.03 99.70 03:00:08 all 0.43 0.00 0.20 0.03 0.03 99.31 03:00:08 0 0.37 0.00 0.20 0.04 0.02 99.36 03:00:08 1 0.50 0.00 0.20 0.02 0.03 99.26 03:10:09 all 13.81 0.00 2.01 1.21 0.06 82.90 03:10:09 0 19.13 0.00 2.37 0.96 0.07 77.47 03:10:09 1 8.50 0.00 1.66 1.47 0.05 88.33 Average: all 2.21 0.00 0.38 0.19 0.03 97.18 Average: 0 2.94 0.00 0.43 0.16 0.03 96.44 Average: 1 1.49 0.00 0.34 0.22 0.03 97.92