---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37681 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 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 786 5107 4 2349 7155 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:60:fb:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82140sec preferred_lft 82140sec inet6 fe80::f816:3eff:fe60:fbc7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37681) 07/22/26 _x86_64_ (2 CPU) 01:58:19 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.35 0.03 1.33 0.00 1.24 16.16 0.12 02:20:09 1.24 0.01 1.23 0.00 0.07 14.82 0.12 02:30:10 1.93 0.25 1.65 0.02 30.96 77.35 653.46 02:40:10 1.30 0.00 1.28 0.02 1.05 15.64 1.15 02:50:10 13.81 0.00 1.25 12.55 0.15 15.29 109107.49 03:00:10 15.60 13.53 1.99 0.08 150.99 44.54 7.58 Average: 5.87 2.31 1.45 2.11 30.77 30.64 18298.02 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6289664 7536564 283804 3.49 30572 1422232 533552 5.81 449416 1183252 124 02:20:09 6289664 7537104 283200 3.48 30772 1422564 533696 5.81 449488 1183776 212 02:30:10 6259300 7534020 285824 3.51 31120 1449128 742144 8.08 463964 1201924 184 02:40:10 6243184 7518756 301088 3.70 31328 1449760 541120 5.89 467764 1202448 180 02:50:10 6250772 7526944 292892 3.60 31524 1450140 541152 5.89 467796 1203004 148 03:00:10 6180908 7514388 296184 3.64 35712 1494884 541216 5.89 469156 1251204 124 Average: 6252249 7527963 290499 3.57 31838 1448118 572147 6.23 461264 1204268 162 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 1.64 0.07 0.30 0.02 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.54 0.22 3.25 0.03 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.45 0.10 0.11 0.06 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.28 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.37 0.11 0.14 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 0.61 0.10 0.65 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37681) 07/22/26 _x86_64_ (2 CPU) 01:58:19 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.25 0.00 0.08 0.01 0.04 99.62 02:10:10 0 0.15 0.00 0.09 0.01 0.04 99.70 02:10:10 1 0.36 0.00 0.07 0.01 0.04 99.53 02:20:09 all 0.25 0.00 0.07 0.01 0.04 99.64 02:20:09 0 0.38 0.00 0.06 0.01 0.03 99.53 02:20:09 1 0.13 0.00 0.08 0.01 0.05 99.74 02:30:10 all 0.36 0.00 0.18 0.02 0.04 99.39 02:30:10 0 0.43 0.00 0.20 0.04 0.04 99.29 02:30:10 1 0.29 0.00 0.17 0.01 0.04 99.49 02:40:10 all 0.27 0.00 0.07 0.01 0.04 99.60 02:40:10 0 0.13 0.00 0.08 0.01 0.05 99.73 02:40:10 1 0.42 0.00 0.07 0.01 0.03 99.48 02:50:10 all 0.24 0.00 0.08 0.04 0.04 99.60 02:50:10 0 0.07 0.00 0.11 0.05 0.04 99.74 02:50:10 1 0.41 0.00 0.06 0.03 0.03 99.47 03:00:10 all 0.24 0.17 0.23 0.14 0.03 99.19 03:00:10 0 0.11 0.30 0.28 0.20 0.04 99.08 03:00:10 1 0.36 0.04 0.19 0.07 0.03 99.31 Average: all 0.27 0.03 0.12 0.04 0.04 99.51 Average: 0 0.21 0.05 0.13 0.05 0.04 99.51 Average: 1 0.33 0.01 0.10 0.02 0.03 99.50