---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6895 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 789 5257 4 2183 7152 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:0a:57:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82147sec preferred_lft 82147sec inet6 fe80::f816:3eff:fe0a:5733/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6895) 04/23/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 1.65 0.03 1.62 0.01 1.24 19.15 436.03 02:10:09 1.45 0.01 1.43 0.01 0.05 16.46 0.85 02:20:12 1.96 0.31 1.62 0.03 38.80 73.75 1.25 02:30:12 14.28 0.00 1.72 12.56 0.15 19.96 109564.31 02:40:09 1.42 0.00 1.42 0.00 0.00 16.52 0.00 02:50:12 1.37 0.00 1.37 0.00 0.00 15.73 0.00 Average: 3.69 0.06 1.53 2.10 6.74 26.98 18333.74 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6285968 7532424 287992 3.54 30576 1421768 526116 5.73 441792 1183288 212 02:10:09 6287120 7534112 286240 3.52 30772 1422104 526180 5.73 441844 1183816 164 02:20:12 6237196 7513208 306432 3.77 31172 1450360 728656 7.94 458960 1201404 252 02:30:12 6253552 7530192 289288 3.56 31352 1450744 728672 7.94 459096 1201940 188 02:40:09 6253048 7530208 289264 3.56 31532 1451068 729928 7.95 462248 1202452 236 02:50:12 6252824 7530604 288892 3.55 31692 1451520 729940 7.95 462900 1202936 212 Average: 6261618 7528458 291351 3.58 31183 1441261 661582 7.21 454473 1195973 211 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 1.20 0.09 0.13 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.39 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.43 0.20 3.09 0.03 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.18 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.20 0.05 0.07 0.03 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 0.45 0.08 0.58 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6895) 04/23/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.24 0.00 0.16 0.04 0.03 99.52 02:00:12 0 0.14 0.00 0.16 0.04 0.03 99.62 02:00:12 1 0.34 0.00 0.17 0.05 0.03 99.42 02:10:09 all 0.26 0.00 0.07 0.02 0.03 99.61 02:10:09 0 0.20 0.00 0.08 0.00 0.03 99.70 02:10:09 1 0.33 0.00 0.07 0.04 0.03 99.53 02:20:12 all 0.35 0.00 0.11 0.20 0.03 99.32 02:20:12 0 0.22 0.00 0.13 0.13 0.03 99.49 02:20:12 1 0.49 0.00 0.08 0.27 0.02 99.14 02:30:12 all 0.25 0.00 0.17 0.73 0.03 98.83 02:30:12 0 0.10 0.00 0.19 1.27 0.03 98.41 02:30:12 1 0.39 0.00 0.15 0.18 0.03 99.25 02:40:09 all 0.25 0.00 0.08 0.03 0.03 99.61 02:40:09 0 0.45 0.00 0.07 0.06 0.02 99.40 02:40:09 1 0.06 0.00 0.09 0.00 0.03 99.82 02:50:12 all 0.23 0.00 0.08 0.02 0.02 99.65 02:50:12 0 0.22 0.00 0.08 0.01 0.02 99.66 02:50:12 1 0.25 0.00 0.08 0.02 0.02 99.63 Average: all 0.26 0.00 0.11 0.17 0.03 99.42 Average: 0 0.22 0.00 0.12 0.25 0.03 99.38 Average: 1 0.31 0.00 0.11 0.09 0.03 99.47