---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21789 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 775 5044 4 2421 7166 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:b4:16:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83170sec preferred_lft 83170sec inet6 fe80::f816:3eff:feb4:1628/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21789) 05/31/26 _x86_64_ (2 CPU) 00:11:45 LINUX RESTART (2 CPU) 00:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:12 1.60 0.01 1.58 0.02 0.05 1164.34 653.79 00:40:01 23.55 3.08 18.16 2.32 231.68 3514.09 1446.04 00:50:03 16.08 13.51 2.48 0.09 150.79 191.89 8.38 01:00:11 2.21 0.25 1.91 0.05 31.93 144.69 2.74 Average: 10.78 4.21 5.96 0.61 102.81 1239.28 521.58 00:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:12 6280660 7532688 288008 3.54 30756 1426940 532264 5.80 445772 1187600 140 00:40:01 5292028 7460256 307988 3.79 85824 2243396 568472 6.19 539620 2013568 26456 00:50:03 5161972 7398072 361296 4.44 89256 2299756 663644 7.23 593112 2072744 468 01:00:11 5110976 7394476 364236 4.48 89604 2346216 659196 7.18 605788 2110476 864 Average: 5461409 7446373 330382 4.06 73860 2079077 605894 6.60 546073 1846097 6982 00:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.58 0.09 0.12 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 54.37 36.87 320.39 11.19 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 38.92 32.24 8.18 4.17 0.00 0.00 0.00 0.00 01:00:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 43.00 41.89 12.28 5.70 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 34.15 27.78 83.89 5.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21789) 05/31/26 _x86_64_ (2 CPU) 00:11:45 LINUX RESTART (2 CPU) 00:20:11 CPU %user %nice %system %iowait %steal %idle 00:30:12 all 0.26 0.00 0.17 0.05 0.02 99.50 00:30:12 0 0.37 0.00 0.17 0.02 0.02 99.43 00:30:12 1 0.15 0.00 0.18 0.07 0.03 99.57 00:40:01 all 11.90 0.00 1.73 3.44 0.05 82.88 00:40:01 0 10.77 0.00 1.59 2.70 0.04 84.90 00:40:01 1 13.03 0.00 1.86 4.19 0.06 80.86 00:50:03 all 5.47 0.23 0.55 0.57 0.07 93.11 00:50:03 0 7.00 0.19 0.64 0.60 0.07 91.50 00:50:03 1 3.96 0.26 0.48 0.53 0.07 94.71 01:00:11 all 7.40 0.00 0.62 0.05 0.07 91.86 01:00:11 0 8.35 0.00 0.65 0.08 0.06 90.86 01:00:11 1 6.45 0.00 0.59 0.03 0.07 92.87 Average: all 6.23 0.06 0.76 1.02 0.05 91.88 Average: 0 6.60 0.05 0.76 0.84 0.05 91.70 Average: 1 5.86 0.07 0.77 1.19 0.05 92.06