---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1047 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: 5600.00 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 749 5213 4 2272 7192 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:87:d2:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82223sec preferred_lft 82223sec inet6 fe80::f816:3eff:fe87:d278/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1047) 08/01/26 _x86_64_ (2 CPU) 01:56:24 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.03 0.03 1.29 12.71 1.41 15.84 110750.21 02:20:15 1.69 0.25 1.42 0.01 30.32 74.08 0.29 02:30:10 1.45 0.01 1.43 0.02 1.06 18.09 879.76 02:40:01 1.19 0.00 1.18 0.02 0.00 14.81 1.11 02:50:16 1.30 0.00 1.28 0.02 0.00 15.76 1.19 03:00:16 15.05 1.62 12.49 0.94 116.54 2213.61 852.48 Average: 5.75 0.32 3.18 2.25 24.97 391.79 18452.55 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6290040 7537188 283512 3.49 30568 1422272 529404 5.77 442132 1183440 244 02:20:15 6256960 7531472 288736 3.55 30932 1448904 730256 7.95 456704 1201672 132 02:30:10 6262496 7537860 282340 3.47 31112 1449540 529720 5.77 451716 1202176 188 02:40:01 6284404 7560308 259884 3.20 31320 1449864 533664 5.81 455480 1202708 132 02:50:16 6282432 7559020 261116 3.21 31532 1450336 533852 5.81 455696 1203256 208 03:00:16 5447196 7386724 393248 4.84 71796 2038792 655268 7.14 605488 1815292 44792 Average: 6137255 7518762 294806 3.63 37877 1543285 585361 6.38 477869 1301424 7616 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.00 0.04 0.12 0.01 0.00 0.00 0.00 0.00 02:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 1.67 0.25 13.23 0.05 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.52 0.10 0.12 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.73 3.96 4.29 3.31 0.00 0.00 0.00 0.00 02:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 0.84 0.29 0.22 0.75 0.00 0.00 0.00 0.00 03:00:16 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:16 ens3 35.04 23.78 277.69 9.48 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.61 4.72 49.26 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1047) 08/01/26 _x86_64_ (2 CPU) 01:56:24 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.09 0.03 0.01 99.60 02:10:01 0 0.44 0.00 0.06 0.01 0.01 99.47 02:10:01 1 0.09 0.00 0.11 0.05 0.02 99.74 02:20:15 all 0.37 0.00 0.10 0.02 0.02 99.50 02:20:15 0 0.37 0.00 0.10 0.02 0.01 99.50 02:20:15 1 0.37 0.00 0.09 0.03 0.02 99.50 02:30:10 all 0.32 0.00 0.16 0.03 0.02 99.48 02:30:10 0 0.13 0.00 0.18 0.04 0.02 99.63 02:30:10 1 0.50 0.00 0.14 0.01 0.01 99.33 02:40:01 all 0.45 0.00 0.10 0.02 0.02 99.42 02:40:01 0 0.46 0.00 0.10 0.00 0.02 99.42 02:40:01 1 0.43 0.00 0.10 0.03 0.02 99.42 02:50:16 all 0.20 0.00 0.07 0.01 0.01 99.70 02:50:16 0 0.32 0.00 0.05 0.01 0.01 99.61 02:50:16 1 0.08 0.00 0.10 0.02 0.02 99.78 03:00:16 all 6.74 0.00 1.07 0.94 0.03 91.21 03:00:16 0 5.97 0.00 1.02 0.91 0.03 92.07 03:00:16 1 7.51 0.00 1.12 0.97 0.04 90.36 Average: all 1.39 0.00 0.26 0.18 0.02 98.16 Average: 0 1.28 0.00 0.25 0.17 0.02 98.29 Average: 1 1.49 0.00 0.28 0.19 0.02 98.03