---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27910 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 756 5152 4 2333 7185 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:1c:9e:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81800sec preferred_lft 81800sec inet6 fe80::f816:3eff:fe1c:9e17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27910) 06/17/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.54 0.03 0.05 18.97 436.70 01:10:23 1.35 0.00 1.34 0.02 0.00 16.02 1.16 01:20:23 14.03 0.01 1.46 12.56 0.16 17.05 109135.78 01:30:01 1.40 0.00 1.37 0.03 0.00 17.18 453.15 01:40:23 1.25 0.00 1.23 0.02 0.00 15.13 1.16 01:50:01 16.12 14.07 1.98 0.07 156.99 45.49 10.31 Average: 5.86 2.26 1.48 2.12 25.22 21.45 18338.27 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6262620 7536748 283176 3.48 30936 1448468 521176 5.68 457804 1200920 124 01:10:23 6261932 7536636 283268 3.48 31144 1448828 521236 5.68 457880 1201488 188 01:20:23 6269492 7544776 275040 3.38 31344 1449200 521364 5.68 458000 1202032 124 01:30:01 6271096 7546892 272900 3.36 31536 1449500 521448 5.68 458112 1202524 124 01:40:23 6269584 7546064 273728 3.37 31728 1449984 521512 5.68 458328 1203072 136 01:50:01 6192436 7526024 284708 3.50 35916 1494580 521536 5.68 459376 1251248 236 Average: 6254527 7539523 278803 3.43 32101 1456760 521379 5.68 458250 1210214 155 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.44 0.22 0.33 0.18 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.45 0.05 1.29 0.03 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.48 0.09 0.11 0.05 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 0.42 0.18 0.08 0.70 0.00 0.00 0.00 0.00 01:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:23 ens3 0.43 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.30 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 0.59 0.11 0.34 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27910) 06/17/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.18 0.01 0.02 99.48 01:00:01 0 0.44 0.00 0.15 0.01 0.02 99.38 01:00:01 1 0.18 0.00 0.20 0.02 0.03 99.58 01:10:23 all 0.24 0.00 0.07 0.02 0.02 99.64 01:10:23 0 0.36 0.00 0.06 0.04 0.02 99.52 01:10:23 1 0.13 0.00 0.08 0.01 0.03 99.75 01:20:23 all 0.22 0.00 0.08 0.03 0.02 99.64 01:20:23 0 0.40 0.00 0.08 0.03 0.02 99.48 01:20:23 1 0.05 0.00 0.09 0.03 0.03 99.81 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.54 01:30:01 0 0.27 0.00 0.15 0.01 0.02 99.55 01:30:01 1 0.26 0.00 0.16 0.01 0.03 99.53 01:40:23 all 0.18 0.00 0.07 0.01 0.02 99.72 01:40:23 0 0.07 0.00 0.09 0.00 0.03 99.82 01:40:23 1 0.29 0.00 0.05 0.02 0.02 99.63 01:50:01 all 0.22 0.17 0.13 0.14 0.02 99.31 01:50:01 0 0.08 0.01 0.10 0.01 0.03 99.77 01:50:01 1 0.36 0.33 0.17 0.26 0.02 98.85 Average: all 0.24 0.03 0.11 0.04 0.02 99.56 Average: 0 0.27 0.00 0.10 0.02 0.02 99.59 Average: 1 0.21 0.05 0.12 0.05 0.03 99.53