---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35859 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 22% / 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 5160 4 2296 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:e2:05:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81809sec preferred_lft 81809sec inet6 fe80::f816:3eff:fee2:504/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35859) 07/15/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.48 0.26 1.52 12.69 31.52 77.17 110848.85 01:10:14 1.31 0.00 1.29 0.02 1.03 15.87 1.23 01:20:14 1.33 0.00 1.31 0.01 0.01 16.88 218.05 01:30:01 1.53 0.03 1.49 0.02 2.20 18.23 668.77 01:40:14 1.26 0.00 1.26 0.00 0.00 15.33 0.04 01:50:14 24.52 2.84 19.31 2.36 224.14 3615.33 1425.23 Average: 7.37 0.52 4.36 2.49 43.01 625.25 18619.89 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6236316 7509772 310112 3.81 30912 1448080 718668 7.83 458488 1201268 132 01:10:14 6248948 7523272 296696 3.65 31128 1448724 519348 5.66 453540 1201816 140 01:20:14 6256284 7531164 288788 3.55 31352 1449048 519348 5.66 454024 1202364 144 01:30:01 6245288 7521472 298416 3.67 31548 1450132 519476 5.66 455824 1202968 248 01:40:14 6252652 7529352 290564 3.57 31716 1450472 519724 5.66 456240 1203464 196 01:50:14 5157048 7375872 390384 4.80 87508 2291040 653280 7.12 620772 2054696 2552 Average: 6066089 7498484 312493 3.84 40694 1589583 574974 6.26 483148 1344429 569 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.82 0.25 3.29 0.05 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.66 0.05 2.15 0.03 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.41 0.08 0.09 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 0.47 0.27 0.11 0.51 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.45 0.13 0.15 0.09 0.00 0.00 0.00 0.00 01:50:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:14 ens3 110.05 75.31 332.20 17.14 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.78 12.66 56.23 2.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35859) 07/15/26 _x86_64_ (2 CPU) 00:40:33 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.38 0.00 0.20 0.05 0.03 99.34 01:00:01 0 0.29 0.00 0.22 0.05 0.03 99.40 01:00:01 1 0.47 0.00 0.19 0.04 0.03 99.27 01:10:14 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:14 0 0.06 0.00 0.09 0.02 0.03 99.80 01:10:14 1 0.44 0.00 0.05 0.00 0.02 99.49 01:20:14 all 0.28 0.00 0.09 0.01 0.03 99.59 01:20:14 0 0.15 0.00 0.08 0.01 0.03 99.72 01:20:14 1 0.41 0.00 0.09 0.01 0.03 99.47 01:30:01 all 0.35 0.00 0.17 0.01 0.03 99.44 01:30:01 0 0.50 0.00 0.14 0.02 0.02 99.33 01:30:01 1 0.21 0.00 0.20 0.01 0.03 99.55 01:40:14 all 0.24 0.00 0.07 0.01 0.03 99.66 01:40:14 0 0.34 0.00 0.04 0.00 0.02 99.60 01:40:14 1 0.14 0.00 0.09 0.02 0.04 99.72 01:50:14 all 14.85 0.00 2.08 0.53 0.06 82.49 01:50:14 0 15.33 0.00 2.15 0.47 0.06 82.00 01:50:14 1 14.36 0.00 2.01 0.59 0.06 82.98 Average: all 2.72 0.00 0.44 0.10 0.03 96.70 Average: 0 2.77 0.00 0.45 0.09 0.03 96.65 Average: 1 2.66 0.00 0.44 0.11 0.03 96.76