---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19714 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 7.9G 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 777 5121 4 2343 7164 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:4b:d8:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6977sec preferred_lft 6977sec inet6 fe80::f816:3eff:fe4b:d8df/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-19714) 05/26/26 _x86_64_ (2 CPU) 00:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:30 1.79 0.02 1.75 0.02 0.81 21.74 0.44 00:20:05 1.94 0.11 1.80 0.03 3.18 24.83 551.66 00:30:30 1.73 0.00 1.71 0.01 0.00 18.87 0.33 00:40:07 10.24 1.45 8.27 0.52 108.08 958.28 197.06 00:50:30 15.60 1.55 12.33 1.72 117.74 2416.38 1055.14 01:00:05 1.76 0.00 1.72 0.04 0.00 24.81 2.16 Average: 5.57 0.52 4.64 0.40 38.61 590.50 304.84 00:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:30 6118396 7514904 293952 3.61 54336 1538124 540452 5.89 472564 1309560 368 00:20:05 6134052 7492160 316620 3.89 54472 1499532 538608 5.87 471276 1270884 236 00:30:30 6137180 7495760 312968 3.85 54596 1499860 538608 5.87 471356 1271340 232 00:40:07 5468900 7382524 390780 4.81 87860 1991224 564672 6.15 525776 1781224 305712 00:50:30 5098380 7369140 388280 4.77 104992 2317776 636656 6.93 603764 2094396 224 01:00:05 5071932 7344520 412940 5.08 105136 2319448 659148 7.18 617388 2096224 212 Average: 5671473 7433168 352590 4.34 76899 1860994 579691 6.31 527021 1637271 51164 00:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:30 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:30 ens3 0.47 0.13 0.15 0.09 0.00 0.00 0.00 0.00 00:40:07 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:40:07 ens3 30.35 21.66 218.47 7.46 0.00 0.00 0.00 0.00 00:50:30 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 00:50:30 ens3 39.43 27.12 125.38 6.51 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 11.27 10.25 99.31 0.98 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 13.73 9.91 73.14 2.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19714) 05/26/26 _x86_64_ (2 CPU) 00:00:30 CPU %user %nice %system %iowait %steal %idle 00:10:30 all 0.30 0.00 0.12 0.01 0.02 99.55 00:10:30 0 0.09 0.00 0.14 0.01 0.03 99.73 00:10:30 1 0.51 0.00 0.09 0.01 0.02 99.37 00:20:05 all 0.70 0.00 0.23 0.01 0.02 99.04 00:20:05 0 0.86 0.00 0.22 0.01 0.02 98.89 00:20:05 1 0.54 0.00 0.23 0.02 0.03 99.18 00:30:30 all 0.28 0.00 0.15 0.01 0.02 99.54 00:30:30 0 0.09 0.00 0.17 0.01 0.03 99.70 00:30:30 1 0.48 0.00 0.12 0.01 0.02 99.37 00:40:07 all 4.83 0.00 0.71 0.19 0.03 94.23 00:40:07 0 4.38 0.00 0.64 0.23 0.03 94.70 00:40:07 1 5.28 0.00 0.78 0.15 0.03 93.76 00:50:30 all 7.79 0.00 1.18 0.26 0.05 90.72 00:50:30 0 10.52 0.00 1.27 0.25 0.05 87.91 00:50:30 1 5.06 0.00 1.09 0.26 0.05 93.54 01:00:05 all 0.92 0.00 0.30 0.02 0.04 98.71 01:00:05 0 0.74 0.00 0.24 0.03 0.03 98.95 01:00:05 1 1.10 0.00 0.36 0.01 0.05 98.48 Average: all 2.50 0.00 0.45 0.09 0.03 96.94 Average: 0 2.83 0.00 0.45 0.09 0.03 96.59 Average: 1 2.17 0.00 0.45 0.08 0.03 97.28