---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29924 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 738 5310 4 2181 7203 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:46:28:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82181sec preferred_lft 82181sec inet6 fe80::f816:3eff:fe46:2845/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29924) 03/25/26 _x86_64_ (2 CPU) 01:53:45 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 1.44 0.01 1.42 0.01 0.05 16.95 1.08 02:20:08 1.20 0.00 1.18 0.02 0.01 14.91 1.21 02:30:08 1.38 0.00 1.35 0.03 0.00 16.92 654.88 02:40:01 1.89 0.32 1.53 0.03 40.50 73.15 1.35 02:50:08 13.75 0.00 1.31 12.43 0.15 16.21 107983.45 03:00:08 23.80 3.01 18.52 2.27 227.76 3125.32 892.92 Average: 7.26 0.56 4.22 2.49 44.67 543.82 18447.13 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6276132 7523208 297524 3.66 30672 1422080 530056 5.77 445972 1183472 156 02:20:08 6277408 7525044 295712 3.64 30900 1422408 530080 5.77 446072 1184028 192 02:30:08 6286528 7534724 286000 3.52 31104 1422740 530228 5.78 446140 1184564 228 02:40:01 6257136 7534276 285884 3.52 31500 1450928 530292 5.78 457852 1201772 124 02:50:08 6257476 7535336 284644 3.50 31712 1451424 530344 5.78 457992 1202324 128 03:00:08 5359508 7467024 304764 3.75 85100 2186544 558896 6.09 548920 1945276 2280 Average: 6119031 7519935 292421 3.60 40165 1559354 534983 5.83 467158 1316906 518 02:00:08 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 0.73 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.94 0.05 10.84 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.27 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.48 0.23 3.09 0.05 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.17 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:00:08 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 60.54 41.15 296.87 11.01 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.52 6.92 51.85 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29924) 03/25/26 _x86_64_ (2 CPU) 01:53:45 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.24 0.00 0.08 0.02 0.03 99.63 02:10:08 0 0.06 0.00 0.09 0.02 0.04 99.80 02:10:08 1 0.43 0.00 0.07 0.01 0.03 99.47 02:20:08 all 0.24 0.00 0.07 0.01 0.03 99.64 02:20:08 0 0.28 0.00 0.07 0.02 0.02 99.61 02:20:08 1 0.21 0.00 0.08 0.01 0.03 99.68 02:30:08 all 0.26 0.00 0.16 0.02 0.03 99.54 02:30:08 0 0.28 0.00 0.16 0.03 0.02 99.51 02:30:08 1 0.25 0.00 0.16 0.01 0.03 99.56 02:40:01 all 0.35 0.00 0.11 0.05 0.02 99.45 02:40:01 0 0.20 0.00 0.12 0.08 0.03 99.57 02:40:01 1 0.50 0.00 0.10 0.03 0.02 99.33 02:50:08 all 0.24 0.00 0.08 0.03 0.02 99.62 02:50:08 0 0.23 0.00 0.10 0.06 0.02 99.58 02:50:08 1 0.24 0.00 0.06 0.00 0.02 99.67 03:00:08 all 10.94 0.00 1.77 0.96 0.04 86.29 03:00:08 0 13.97 0.00 1.94 1.25 0.05 82.79 03:00:08 1 7.90 0.00 1.59 0.67 0.04 89.80 Average: all 2.04 0.00 0.38 0.18 0.03 97.37 Average: 0 2.50 0.00 0.41 0.24 0.03 96.81 Average: 1 1.59 0.00 0.34 0.12 0.03 97.92