---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20875 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 745 5234 4 2253 7196 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:14:0b:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82074sec preferred_lft 82074sec inet6 fe80::f816:3eff:fe14:b7c/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-20875) 05/28/26 _x86_64_ (2 CPU) 06:47:31 LINUX RESTART (2 CPU) 06:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 2.02 0.28 1.72 0.02 32.31 77.29 655.85 07:10:01 1.39 0.01 1.37 0.01 0.05 16.61 0.84 07:20:02 1.34 0.00 1.32 0.02 0.01 15.68 1.09 07:30:01 14.25 0.00 1.63 12.61 0.15 19.62 110041.23 07:40:01 1.26 0.00 1.24 0.02 0.00 15.03 1.20 07:50:02 1.17 0.00 1.15 0.02 0.00 14.37 1.09 Average: 3.56 0.05 1.40 2.11 5.40 26.40 18406.80 06:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 6257788 7530384 289800 3.56 30720 1447168 715276 7.79 456572 1200284 156 07:10:01 6259680 7532824 287320 3.53 30936 1447496 715768 7.80 458596 1200828 128 07:20:02 6258168 7531864 288264 3.54 31148 1447832 715768 7.80 458704 1201376 176 07:30:01 6254948 7529288 290740 3.58 31380 1448200 715776 7.80 458796 1201948 124 07:40:01 6254948 7529828 290196 3.57 31584 1448528 716000 7.80 459016 1202480 128 07:50:02 6254948 7530488 289528 3.56 31784 1448984 716008 7.80 459576 1203008 188 Average: 6256747 7530779 289308 3.56 31259 1448035 715766 7.80 458543 1201654 150 06:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 1.90 0.26 3.34 0.07 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 0.81 0.15 0.23 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 0.40 0.05 0.25 0.03 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 0.58 0.11 0.28 0.09 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.40 0.18 0.08 0.67 0.00 0.00 0.00 0.00 07:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:02 ens3 0.23 0.06 0.07 0.08 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 0.72 0.14 0.71 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20875) 05/28/26 _x86_64_ (2 CPU) 06:47:31 LINUX RESTART (2 CPU) 06:50:02 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 0.43 0.00 0.19 0.02 0.03 99.32 07:00:01 0 0.29 0.00 0.18 0.01 0.03 99.49 07:00:01 1 0.57 0.00 0.21 0.04 0.04 99.15 07:10:01 all 0.30 0.00 0.08 0.01 0.03 99.57 07:10:01 0 0.31 0.00 0.09 0.00 0.03 99.57 07:10:01 1 0.30 0.00 0.07 0.02 0.03 99.57 07:20:02 all 0.27 0.00 0.07 0.01 0.03 99.62 07:20:02 0 0.05 0.00 0.08 0.00 0.04 99.82 07:20:02 1 0.49 0.00 0.05 0.01 0.03 99.41 07:30:01 all 0.30 0.00 0.18 0.03 0.03 99.46 07:30:01 0 0.29 0.00 0.20 0.06 0.03 99.42 07:30:01 1 0.31 0.00 0.16 0.01 0.03 99.49 07:40:01 all 0.20 0.00 0.07 0.01 0.03 99.69 07:40:01 0 0.16 0.00 0.09 0.01 0.03 99.71 07:40:01 1 0.23 0.00 0.06 0.01 0.04 99.67 07:50:02 all 0.19 0.00 0.07 0.01 0.03 99.70 07:50:02 0 0.30 0.00 0.07 0.01 0.03 99.58 07:50:02 1 0.08 0.00 0.06 0.01 0.03 99.82 Average: all 0.28 0.00 0.11 0.02 0.03 99.56 Average: 0 0.23 0.00 0.12 0.02 0.03 99.60 Average: 1 0.33 0.00 0.10 0.02 0.03 99.52