---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36238 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 733 5294 4 2204 7208 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:ed:f7:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82391sec preferred_lft 82391sec inet6 fe80::f816:3eff:feed:f7ec/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-36238) 07/16/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:11 1.41 0.02 1.38 0.01 1.22 16.48 0.59 02:20:01 1.41 0.01 1.38 0.02 0.07 16.83 1.22 02:30:01 2.00 0.25 1.71 0.03 30.97 77.97 436.91 02:40:11 1.33 0.00 1.33 0.00 0.00 16.08 0.00 02:50:01 1.30 0.00 1.30 0.00 0.00 15.68 0.00 03:00:01 1.47 0.00 1.46 0.01 0.00 18.36 436.20 Average: 1.49 0.05 1.43 0.01 5.38 26.90 145.74 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:11 6304068 7550404 270084 3.32 30588 1421416 528280 5.75 442204 1183260 204 02:20:01 6308720 7555620 264792 3.26 30816 1421744 528280 5.75 442396 1183816 240 02:30:01 6262588 7536760 283060 3.48 31208 1448252 727972 7.93 456528 1201952 240 02:40:11 6262124 7536816 283016 3.48 31392 1448584 727972 7.93 456704 1202460 252 02:50:01 6276824 7552000 267832 3.29 31536 1448908 728204 7.93 454232 1202936 240 03:00:01 6267780 7543632 276048 3.39 31736 1449348 728464 7.93 454872 1203448 240 Average: 6280351 7545872 274139 3.37 31213 1439709 661529 7.21 451156 1196312 236 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.88 0.08 0.32 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 0.71 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.71 0.19 3.20 0.03 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.71 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.61 0.05 0.07 0.03 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 0.75 0.13 0.18 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 0.90 0.10 0.66 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36238) 07/16/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:11 all 0.29 0.00 0.08 0.07 0.04 99.53 02:10:11 0 0.29 0.00 0.07 0.14 0.04 99.47 02:10:11 1 0.29 0.00 0.08 0.01 0.04 99.58 02:20:01 all 0.26 0.00 0.08 0.31 0.03 99.32 02:20:01 0 0.05 0.00 0.09 0.05 0.04 99.77 02:20:01 1 0.46 0.00 0.07 0.58 0.03 98.87 02:30:01 all 0.37 0.00 0.18 0.06 0.04 99.35 02:30:01 0 0.21 0.00 0.19 0.03 0.04 99.53 02:30:01 1 0.53 0.00 0.18 0.09 0.03 99.18 02:40:11 all 0.26 0.00 0.08 0.02 0.03 99.61 02:40:11 0 0.26 0.00 0.08 0.01 0.03 99.62 02:40:11 1 0.26 0.00 0.08 0.03 0.03 99.59 02:50:01 all 0.28 0.00 0.08 0.01 0.03 99.60 02:50:01 0 0.14 0.00 0.10 0.01 0.04 99.71 02:50:01 1 0.42 0.00 0.07 0.00 0.02 99.49 03:00:01 all 0.26 0.00 0.17 0.01 0.03 99.53 03:00:01 0 0.29 0.00 0.18 0.02 0.03 99.49 03:00:01 1 0.22 0.00 0.16 0.00 0.03 99.58 Average: all 0.28 0.00 0.11 0.08 0.03 99.49 Average: 0 0.21 0.00 0.12 0.04 0.03 99.60 Average: 1 0.36 0.00 0.11 0.12 0.03 99.38