---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37647 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: 5599.94 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 778 5161 4 2294 7162 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:fe:d9:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81645sec preferred_lft 81645sec inet6 fe80::f816:3eff:fefe:d9c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37647) 07/22/26 _x86_64_ (2 CPU) 00:39:47 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 5.11 2.90 2.19 0.03 366.96 313.99 210.39 01:00:24 1.61 0.01 1.59 0.01 0.05 18.28 436.03 01:10:08 1.36 0.00 1.36 0.00 0.00 15.13 0.00 01:20:18 1.84 0.25 1.58 0.01 30.48 74.73 0.29 01:30:24 14.06 0.00 1.62 12.44 0.15 18.86 108584.97 01:40:08 1.36 0.00 1.36 0.00 0.00 16.05 0.00 01:50:17 1.77 0.39 1.36 0.01 15.61 46.62 0.83 Average: 3.90 0.52 1.58 1.79 61.00 73.64 15681.66 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 6289912 7541536 278768 3.43 30580 1426668 520264 5.67 441668 1187488 228 01:00:24 6285496 7537656 282684 3.48 30768 1427000 520320 5.67 441764 1188008 124 01:10:08 6285496 7538128 282208 3.47 30912 1427320 520600 5.67 441992 1188472 132 01:20:18 6253664 7533568 286300 3.52 31268 1453880 720784 7.85 457176 1206624 124 01:30:24 6247908 7528420 291240 3.58 31452 1454256 720856 7.85 457048 1207156 124 01:40:08 6247656 7528800 290852 3.58 31628 1454704 720848 7.85 457268 1207652 124 01:50:17 6213204 7509416 309864 3.81 31960 1469392 741812 8.08 494312 1221120 260 Average: 6260477 7531075 288845 3.55 31224 1444746 637926 6.95 455890 1200931 159 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 17.14 7.23 35.17 1.85 0.00 0.00 0.00 0.00 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 0.48 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.44 0.07 0.25 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.75 0.39 3.23 0.49 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 0.26 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.40 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:50:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:17 ens3 7.79 4.74 19.61 2.69 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.99 1.85 8.57 0.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37647) 07/22/26 _x86_64_ (2 CPU) 00:39:47 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 0.66 0.00 0.26 0.07 0.03 98.97 00:50:24 0 0.66 0.00 0.29 0.07 0.03 98.96 00:50:24 1 0.66 0.00 0.24 0.07 0.04 98.99 01:00:24 all 0.27 0.00 0.16 0.01 0.03 99.52 01:00:24 0 0.43 0.00 0.14 0.02 0.03 99.38 01:00:24 1 0.11 0.00 0.18 0.00 0.04 99.67 01:10:08 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:08 0 0.08 0.00 0.09 0.00 0.04 99.80 01:10:08 1 0.44 0.00 0.05 0.02 0.03 99.46 01:20:18 all 0.42 0.00 0.10 0.02 0.03 99.42 01:20:18 0 0.35 0.00 0.12 0.03 0.04 99.45 01:20:18 1 0.50 0.00 0.08 0.01 0.03 99.39 01:30:24 all 0.29 0.00 0.16 0.03 0.03 99.49 01:30:24 0 0.23 0.00 0.18 0.02 0.03 99.54 01:30:24 1 0.35 0.00 0.14 0.05 0.03 99.44 01:40:08 all 0.26 0.00 0.07 0.01 0.03 99.63 01:40:08 0 0.12 0.00 0.08 0.01 0.04 99.75 01:40:08 1 0.40 0.00 0.05 0.01 0.03 99.51 01:50:17 all 0.48 0.00 0.09 0.01 0.03 99.38 01:50:17 0 0.58 0.00 0.08 0.01 0.03 99.31 01:50:17 1 0.38 0.00 0.11 0.01 0.04 99.46 Average: all 0.38 0.00 0.13 0.02 0.03 99.43 Average: 0 0.35 0.00 0.14 0.02 0.03 99.45 Average: 1 0.41 0.00 0.12 0.02 0.03 99.41