---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2689 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 744 5299 4 2187 7197 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:a3:33:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82155sec preferred_lft 82155sec inet6 fe80::f816:3eff:fea3:336b/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-2689) 04/14/26 _x86_64_ (2 CPU) 05:08:20 LINUX RESTART (2 CPU) 05:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:04 1.46 0.03 1.44 0.00 1.25 16.89 0.12 05:30:05 2.30 0.33 1.94 0.03 40.03 78.18 869.40 05:40:01 14.05 0.00 1.41 12.63 0.15 16.06 109873.01 05:50:05 1.35 0.00 1.34 0.02 0.00 15.70 1.19 06:00:06 1.60 0.00 1.57 0.03 0.00 19.33 870.98 06:10:01 1.37 0.00 1.36 0.02 0.00 15.55 1.09 Average: 3.68 0.06 1.51 2.11 6.92 26.98 18479.81 05:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:04 6286152 7536888 283548 3.49 30600 1425976 520028 5.66 438848 1187096 180 05:30:05 6239080 7519032 300716 3.70 31032 1454356 520124 5.67 450608 1204524 228 05:40:01 6245676 7526184 293480 3.61 31192 1454724 520112 5.67 450752 1205032 124 05:50:05 6253236 7534284 285352 3.51 31400 1455048 520180 5.67 450808 1205564 180 06:00:06 6257020 7538620 280944 3.45 31620 1455380 520188 5.67 450864 1206104 248 06:10:01 6264608 7546872 272696 3.35 31816 1455828 520404 5.67 452008 1206632 124 Average: 6257629 7533647 286123 3.52 31277 1450219 520173 5.67 448981 1202492 181 05:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:04 ens3 1.04 0.07 0.13 0.03 0.00 0.00 0.00 0.00 05:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:05 ens3 0.80 0.30 3.15 0.08 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 0.47 0.07 0.93 0.03 0.00 0.00 0.00 0.00 05:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:05 ens3 0.42 0.03 0.96 0.01 0.00 0.00 0.00 0.00 06:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:06 ens3 0.22 0.06 0.07 0.03 0.00 0.00 0.00 0.00 06:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 0.32 0.16 0.08 0.49 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 0.55 0.12 0.89 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2689) 04/14/26 _x86_64_ (2 CPU) 05:08:20 LINUX RESTART (2 CPU) 05:10:02 CPU %user %nice %system %iowait %steal %idle 05:20:04 all 0.23 0.00 0.09 0.01 0.04 99.64 05:20:04 0 0.25 0.00 0.10 0.01 0.04 99.59 05:20:04 1 0.20 0.00 0.07 0.01 0.03 99.69 05:30:05 all 0.42 0.00 0.21 0.02 0.04 99.31 05:30:05 0 0.48 0.00 0.18 0.02 0.03 99.28 05:30:05 1 0.36 0.00 0.24 0.03 0.04 99.33 05:40:01 all 0.30 0.00 0.09 0.04 0.03 99.54 05:40:01 0 0.09 0.00 0.12 0.04 0.04 99.71 05:40:01 1 0.51 0.00 0.05 0.05 0.02 99.36 05:50:05 all 0.26 0.00 0.08 0.01 0.02 99.63 05:50:05 0 0.38 0.00 0.06 0.00 0.02 99.54 05:50:05 1 0.14 0.00 0.09 0.02 0.03 99.72 06:00:06 all 0.27 0.00 0.16 0.01 0.02 99.54 06:00:06 0 0.38 0.00 0.15 0.01 0.02 99.43 06:00:06 1 0.16 0.00 0.17 0.00 0.03 99.64 06:10:01 all 0.24 0.00 0.07 0.01 0.03 99.66 06:10:01 0 0.24 0.00 0.07 0.00 0.03 99.66 06:10:01 1 0.24 0.00 0.07 0.01 0.02 99.65 Average: all 0.29 0.00 0.11 0.02 0.03 99.55 Average: 0 0.31 0.00 0.11 0.01 0.03 99.53 Average: 1 0.27 0.00 0.11 0.02 0.03 99.57