---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20862 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 778 5199 4 2255 7163 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:40:ab:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82029sec preferred_lft 82029sec inet6 fe80::f816:3eff:fe40:aba8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20862) 05/28/26 _x86_64_ (2 CPU) 06:47:00 LINUX RESTART (2 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:02 14.72 0.28 1.90 12.54 33.39 78.74 109541.01 07:10:32 1.43 0.01 1.41 0.01 0.05 16.94 0.86 07:20:02 1.48 0.00 1.46 0.02 0.01 17.60 1.29 07:30:22 1.58 0.00 1.55 0.03 0.00 19.20 844.11 07:40:32 1.33 0.00 1.32 0.02 0.00 15.34 1.18 07:50:01 1.46 0.03 1.41 0.02 2.26 16.98 1.08 Average: 3.67 0.05 1.51 2.11 5.94 27.48 18417.16 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:02 6241696 7515636 304536 3.74 30784 1448472 529096 5.76 456312 1200432 128 07:10:32 6246556 7521092 299072 3.68 31016 1448832 529536 5.77 456816 1201024 160 07:20:02 6254144 7529204 290944 3.58 31236 1449132 584708 6.37 462108 1201540 248 07:30:22 6258724 7534392 285756 3.51 31468 1449488 529864 5.77 457292 1202132 156 07:40:32 6258500 7534820 285324 3.51 31660 1449944 529944 5.77 457548 1202652 196 07:50:01 6249064 7526548 293588 3.61 31876 1450880 529944 5.77 458252 1203244 152 Average: 6251447 7526949 293203 3.61 31340 1449458 538849 5.87 458055 1201837 173 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:00:02 ens3 2.04 0.38 3.34 0.08 0.00 0.00 0.00 0.00 07:10:32 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 07:10:32 ens3 0.82 0.15 0.22 0.13 0.00 0.00 0.00 0.00 07:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:02 ens3 0.41 0.05 0.26 0.03 0.00 0.00 0.00 0.00 07:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:22 ens3 0.63 0.22 0.27 0.63 0.00 0.00 0.00 0.00 07:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:32 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 07:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.26 0.08 0.08 0.04 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 0.74 0.16 0.71 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20862) 05/28/26 _x86_64_ (2 CPU) 06:47:00 LINUX RESTART (2 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:02 all 0.39 0.00 0.22 0.07 0.04 99.27 07:00:02 0 0.39 0.00 0.20 0.08 0.06 99.27 07:00:02 1 0.40 0.00 0.24 0.07 0.02 99.27 07:10:32 all 0.32 0.00 0.08 0.02 0.04 99.54 07:10:32 0 0.26 0.00 0.08 0.00 0.02 99.64 07:10:32 1 0.38 0.00 0.08 0.05 0.05 99.44 07:20:02 all 0.25 0.00 0.09 0.01 0.02 99.63 07:20:02 0 0.11 0.00 0.10 0.01 0.02 99.76 07:20:02 1 0.40 0.00 0.07 0.01 0.02 99.50 07:30:22 all 0.24 0.00 0.16 0.01 0.02 99.58 07:30:22 0 0.21 0.00 0.16 0.01 0.02 99.61 07:30:22 1 0.26 0.00 0.16 0.01 0.02 99.54 07:40:32 all 0.24 0.00 0.07 0.01 0.02 99.66 07:40:32 0 0.17 0.00 0.06 0.01 0.02 99.74 07:40:32 1 0.32 0.00 0.07 0.02 0.02 99.58 07:50:01 all 0.26 0.00 0.08 0.01 0.02 99.63 07:50:01 0 0.43 0.00 0.06 0.01 0.01 99.49 07:50:01 1 0.09 0.00 0.10 0.01 0.03 99.76 Average: all 0.28 0.00 0.12 0.02 0.03 99.55 Average: 0 0.26 0.00 0.11 0.02 0.03 99.58 Average: 1 0.31 0.00 0.12 0.03 0.03 99.51