---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26587 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 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 767 5188 4 2279 7174 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:9e:19:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82149sec preferred_lft 82149sec inet6 fe80::f816:3eff:fe9e:19b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26587) 06/11/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 1.36 0.02 1.33 0.01 1.23 16.72 215.72 02:20:29 1.30 0.03 1.26 0.01 2.14 15.45 0.85 02:30:01 1.36 0.00 1.34 0.02 0.00 16.12 458.67 02:40:28 1.08 0.00 1.06 0.02 0.00 13.65 1.26 02:50:29 1.69 0.25 1.41 0.02 30.88 72.96 1.25 03:00:01 14.61 0.01 1.43 13.18 1.26 17.71 114920.01 Average: 3.46 0.05 1.30 2.11 5.94 25.43 18365.51 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6285460 7535800 284388 3.50 30600 1425548 523548 5.70 441156 1187332 180 02:20:29 6281732 7533264 286896 3.53 30816 1426520 523616 5.70 441784 1187960 180 02:30:01 6275480 7527532 292608 3.60 30996 1426844 523640 5.70 441868 1188464 160 02:40:28 6290908 7543500 276624 3.40 31208 1427168 523696 5.70 442040 1189000 176 02:50:29 6232100 7511496 308152 3.79 31572 1453248 720920 7.85 457692 1206680 124 03:00:01 6246188 7526656 292812 3.60 31792 1454064 523920 5.71 451964 1207244 248 Average: 6268645 7529708 290247 3.57 31164 1435565 556557 6.06 446084 1194447 178 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 1.66 0.10 0.31 0.02 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.77 0.06 13.04 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.25 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:28 ens3 0.42 0.09 0.38 0.05 0.00 0.00 0.00 0.00 02:50:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:29 ens3 0.85 0.48 3.19 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.35 0.12 0.13 0.08 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.73 0.15 2.93 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26587) 06/11/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.28 0.00 0.07 0.01 0.03 99.61 02:10:08 0 0.45 0.00 0.05 0.01 0.02 99.46 02:10:08 1 0.10 0.00 0.08 0.01 0.03 99.77 02:20:29 all 0.24 0.00 0.08 0.01 0.03 99.63 02:20:29 0 0.32 0.00 0.07 0.01 0.03 99.58 02:20:29 1 0.16 0.00 0.10 0.01 0.03 99.69 02:30:01 all 0.29 0.00 0.16 0.01 0.03 99.51 02:30:01 0 0.51 0.00 0.14 0.01 0.02 99.32 02:30:01 1 0.07 0.00 0.19 0.02 0.04 99.69 02:40:28 all 0.27 0.00 0.07 0.01 0.03 99.63 02:40:28 0 0.48 0.00 0.03 0.01 0.02 99.45 02:40:28 1 0.05 0.00 0.10 0.01 0.04 99.80 02:50:29 all 0.36 0.00 0.10 0.05 0.03 99.45 02:50:29 0 0.47 0.00 0.10 0.10 0.02 99.30 02:50:29 1 0.26 0.00 0.10 0.01 0.03 99.61 03:00:01 all 0.30 0.00 0.17 0.16 0.02 99.34 03:00:01 0 0.17 0.00 0.20 0.30 0.03 99.31 03:00:01 1 0.42 0.00 0.15 0.03 0.02 99.38 Average: all 0.29 0.00 0.11 0.04 0.03 99.53 Average: 0 0.40 0.00 0.10 0.07 0.02 99.41 Average: 1 0.18 0.00 0.12 0.01 0.03 99.66