---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26815 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 802 4985 4 2455 7139 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:c8:07:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6970sec preferred_lft 6970sec inet6 fe80::f816:3eff:fec8:75c/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-26815) 06/13/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.98 0.01 1.94 0.02 0.81 23.21 432.76 00:20:08 1.88 0.11 1.74 0.03 3.02 24.15 767.69 00:30:01 1.84 0.00 1.82 0.02 0.00 20.23 218.89 00:40:01 23.92 2.99 18.66 2.28 224.93 3486.00 1428.23 00:50:08 1.62 0.00 1.62 0.00 0.00 62.94 0.03 01:00:01 1.83 0.00 1.81 0.02 0.00 114.58 103.84 Average: 5.51 0.52 4.60 0.40 38.14 621.91 492.82 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6129696 7530584 277812 3.42 54624 1542092 528628 5.76 463076 1313708 352 00:20:08 6158268 7520808 287556 3.54 54740 1503572 526436 5.73 461944 1275080 416 00:30:01 6157564 7520636 287668 3.54 54844 1503984 526648 5.74 462172 1275476 240 00:40:01 5088316 7376032 380212 4.68 105500 2333488 656124 7.15 623668 2110648 488 00:50:08 5069428 7370816 385444 4.74 105608 2347124 671512 7.31 630440 2124352 796 01:00:01 4892712 7222808 533364 6.56 105708 2375532 806612 8.79 765736 2152908 1220 Average: 5582664 7423614 358676 4.41 80171 1934299 619327 6.75 567839 1708695 585 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.20 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:08 ens3 0.21 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.52 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.30 47.03 320.14 12.09 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 43.68 36.09 8.89 4.62 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 42.73 41.76 9.52 6.33 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.44 20.84 56.49 3.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26815) 06/13/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.12 0.01 0.02 99.59 00:10:01 0 0.37 0.00 0.10 0.01 0.02 99.51 00:10:01 1 0.16 0.00 0.14 0.01 0.02 99.67 00:20:08 all 0.66 0.00 0.21 0.03 0.02 99.07 00:20:08 0 0.75 0.00 0.17 0.04 0.01 99.02 00:20:08 1 0.57 0.00 0.26 0.02 0.03 99.13 00:30:01 all 0.25 0.00 0.17 0.01 0.02 99.55 00:30:01 0 0.07 0.00 0.17 0.00 0.03 99.73 00:30:01 1 0.43 0.00 0.16 0.02 0.02 99.37 00:40:01 all 12.16 0.00 1.71 0.55 0.05 85.53 00:40:01 0 11.70 0.00 1.69 0.62 0.05 85.94 00:40:01 1 12.62 0.00 1.74 0.48 0.05 85.11 00:50:08 all 6.86 0.00 0.55 0.01 0.06 92.52 00:50:08 0 6.81 0.00 0.53 0.01 0.05 92.60 00:50:08 1 6.91 0.00 0.58 0.01 0.06 92.43 01:00:01 all 8.74 0.00 0.60 0.01 0.06 90.59 01:00:01 0 8.50 0.00 0.61 0.01 0.06 90.82 01:00:01 1 8.97 0.00 0.60 0.02 0.07 90.35 Average: all 4.81 0.00 0.56 0.10 0.04 94.48 Average: 0 4.69 0.00 0.54 0.11 0.04 94.61 Average: 1 4.93 0.00 0.58 0.09 0.04 94.36