---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28201 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 753 5211 4 2269 7188 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:79:6b:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82154sec preferred_lft 82154sec inet6 fe80::f816:3eff:fe79:6b0a/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-28201) 06/18/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 13.96 0.03 1.39 12.55 1.39 16.51 109187.05 02:20:01 1.37 0.01 1.36 0.00 0.07 15.95 0.00 02:30:02 1.51 0.00 1.49 0.01 0.00 18.15 870.65 02:40:27 1.33 0.00 1.33 0.00 0.00 15.50 0.00 02:50:32 1.34 0.00 1.34 0.00 0.00 15.45 0.00 03:00:17 2.68 0.94 1.73 0.02 62.28 100.13 447.08 Average: 3.68 0.16 1.44 2.09 10.32 29.86 18330.96 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6260364 7533200 286448 3.52 30768 1447564 724500 7.89 452780 1200620 124 02:20:01 6256360 7529712 289868 3.56 30956 1447900 725468 7.90 452712 1201140 240 02:30:02 6251556 7525444 294148 3.62 31140 1448224 725604 7.90 452760 1201652 180 02:40:27 6251304 7525720 293868 3.61 31304 1448580 725628 7.90 453040 1202172 124 02:50:32 6251304 7526212 293368 3.61 31464 1448908 725692 7.90 453484 1202660 124 03:00:17 6144716 7480752 335448 4.12 37076 1501560 771004 8.40 525200 1252028 12080 Average: 6235934 7520173 298858 3.67 32118 1457123 732983 7.98 464996 1210045 2145 02:00:02 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 1.68 0.06 0.19 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 1.13 0.03 10.01 0.01 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:32 ens3 0.30 0.05 0.08 0.03 0.00 0.00 0.00 0.00 03:00:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 17.63 10.08 51.83 4.53 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 3.48 1.67 10.11 0.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28201) 06/18/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.29 0.00 0.09 0.07 0.06 99.49 02:10:01 0 0.49 0.00 0.09 0.12 0.06 99.24 02:10:01 1 0.08 0.00 0.10 0.01 0.06 99.75 02:20:01 all 0.28 0.00 0.09 0.08 0.02 99.54 02:20:01 0 0.24 0.00 0.09 0.11 0.02 99.53 02:20:01 1 0.31 0.00 0.08 0.04 0.02 99.55 02:30:02 all 0.29 0.00 0.18 0.02 0.02 99.49 02:30:02 0 0.27 0.00 0.19 0.02 0.02 99.51 02:30:02 1 0.31 0.00 0.18 0.01 0.02 99.48 02:40:27 all 0.25 0.00 0.07 0.01 0.02 99.65 02:40:27 0 0.32 0.00 0.07 0.00 0.02 99.58 02:40:27 1 0.17 0.00 0.07 0.01 0.02 99.72 02:50:32 all 0.27 0.00 0.08 0.01 0.02 99.62 02:50:32 0 0.35 0.00 0.07 0.00 0.02 99.56 02:50:32 1 0.19 0.00 0.09 0.01 0.02 99.68 03:00:17 all 0.80 0.00 0.29 0.03 0.02 98.85 03:00:17 0 0.84 0.00 0.32 0.03 0.02 98.79 03:00:17 1 0.76 0.00 0.27 0.03 0.02 98.92 Average: all 0.36 0.00 0.13 0.03 0.03 99.45 Average: 0 0.42 0.00 0.14 0.05 0.03 99.37 Average: 1 0.30 0.00 0.13 0.02 0.03 99.52