---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36527 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 8.0G 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 763 5190 4 2281 7178 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:23:d3:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82174sec preferred_lft 82174sec inet6 fe80::f816:3eff:fe23:d3b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36527) 07/17/26 _x86_64_ (2 CPU) 00:37:14 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.42 0.02 1.40 0.00 1.24 16.71 0.12 01:00:01 1.55 0.01 1.52 0.02 0.05 18.48 655.57 01:10:01 1.82 0.25 1.54 0.03 30.95 75.67 1.37 01:20:02 1.39 0.01 1.36 0.02 1.07 16.11 1.25 01:30:01 1.55 0.00 1.53 0.03 0.00 18.85 655.13 01:40:02 1.29 0.00 1.27 0.02 0.00 15.15 1.20 Average: 1.50 0.05 1.44 0.02 5.55 26.83 218.79 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6296336 7542548 277848 3.42 30580 1421552 524940 5.72 441188 1183280 124 01:00:01 6287044 7533836 286680 3.53 30816 1421888 524896 5.72 441348 1183840 152 01:10:01 6249536 7523596 296476 3.65 31196 1448412 724844 7.89 456028 1201992 172 01:20:02 6248528 7523444 296656 3.65 31400 1449052 525472 5.72 451956 1202524 268 01:30:01 6249960 7525456 294616 3.62 31620 1449384 525472 5.72 451852 1203076 236 01:40:02 6249960 7526104 293960 3.61 31812 1449836 525536 5.72 452312 1203592 212 Average: 6263561 7529164 291039 3.58 31237 1440021 558527 6.08 449114 1196384 194 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.73 0.11 0.33 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.48 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.92 0.33 3.39 0.15 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.50 0.21 0.10 0.64 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.39 0.09 0.12 0.07 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 0.69 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36527) 07/17/26 _x86_64_ (2 CPU) 00:37:14 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.29 0.00 0.08 0.01 0.03 99.59 00:50:01 0 0.39 0.00 0.08 0.02 0.03 99.49 00:50:01 1 0.18 0.00 0.08 0.01 0.03 99.69 01:00:01 all 0.31 0.00 0.16 0.01 0.03 99.50 01:00:01 0 0.19 0.00 0.16 0.01 0.03 99.61 01:00:01 1 0.42 0.00 0.16 0.01 0.03 99.39 01:10:01 all 0.33 0.00 0.10 0.03 0.03 99.50 01:10:01 0 0.41 0.00 0.09 0.02 0.03 99.44 01:10:01 1 0.25 0.00 0.11 0.03 0.04 99.57 01:20:02 all 0.21 0.00 0.07 0.01 0.03 99.68 01:20:02 0 0.04 0.00 0.07 0.01 0.03 99.84 01:20:02 1 0.38 0.00 0.07 0.01 0.03 99.51 01:30:01 all 0.24 0.00 0.16 0.01 0.03 99.56 01:30:01 0 0.27 0.00 0.16 0.01 0.03 99.54 01:30:01 1 0.21 0.00 0.16 0.01 0.03 99.59 01:40:02 all 0.27 0.00 0.06 0.01 0.03 99.64 01:40:02 0 0.32 0.00 0.04 0.00 0.02 99.62 01:40:02 1 0.23 0.00 0.07 0.01 0.03 99.66 Average: all 0.28 0.00 0.10 0.01 0.03 99.58 Average: 0 0.27 0.00 0.10 0.01 0.03 99.59 Average: 1 0.28 0.00 0.11 0.01 0.03 99.57