---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10742 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 749 5294 4 2187 7192 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:7e:31:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82114sec preferred_lft 82114sec inet6 fe80::f816:3eff:fe7e:3195/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10742) 05/04/26 _x86_64_ (2 CPU) 03:27:19 LINUX RESTART (2 CPU) 03:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:17 1.46 0.02 1.43 0.00 1.24 17.02 0.12 03:50:05 14.82 0.27 1.72 12.82 32.87 76.94 111318.51 04:00:17 1.58 0.00 1.55 0.03 0.00 18.55 214.81 04:10:18 1.37 0.00 1.35 0.02 0.00 15.66 1.20 04:20:19 1.26 0.00 1.24 0.02 0.01 14.94 1.20 04:30:19 1.48 0.00 1.45 0.03 0.00 18.10 219.11 Average: 3.62 0.05 1.46 2.11 5.58 26.67 18248.61 03:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:17 6276564 7523256 297084 3.65 30596 1422008 523116 5.70 441956 1183184 120 03:50:05 6239384 7513128 306684 3.77 30976 1448300 523140 5.70 451224 1200748 240 04:00:17 6252828 7527160 292584 3.60 31196 1448628 523140 5.70 451316 1201300 164 04:10:18 6252828 7527704 292032 3.59 31404 1448956 523312 5.70 451308 1201836 124 04:20:19 6256832 7532360 287368 3.53 31592 1449412 523312 5.70 451476 1202352 128 04:30:19 6253108 7529180 290560 3.57 31796 1449740 523376 5.70 451548 1202884 124 Average: 6255257 7525465 294385 3.62 31260 1444507 523233 5.70 449805 1198717 150 03:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:17 ens3 0.81 0.07 0.10 0.03 0.00 0.00 0.00 0.00 03:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:05 ens3 0.70 0.22 3.20 0.03 0.00 0.00 0.00 0.00 04:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:17 ens3 0.32 0.07 0.22 0.03 0.00 0.00 0.00 0.00 04:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:18 ens3 0.25 0.05 0.05 0.01 0.00 0.00 0.00 0.00 04:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:19 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 04:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:19 ens3 0.24 0.06 0.07 0.03 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 0.42 0.08 0.61 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10742) 05/04/26 _x86_64_ (2 CPU) 03:27:19 LINUX RESTART (2 CPU) 03:30:17 CPU %user %nice %system %iowait %steal %idle 03:40:17 all 0.29 0.00 0.09 0.72 0.02 98.88 03:40:17 0 0.13 0.00 0.09 0.14 0.03 99.61 03:40:17 1 0.44 0.00 0.08 1.31 0.02 98.15 03:50:05 all 0.38 0.00 0.13 0.05 0.02 99.42 03:50:05 0 0.47 0.00 0.13 0.03 0.02 99.35 03:50:05 1 0.29 0.00 0.13 0.07 0.02 99.49 04:00:17 all 0.28 0.00 0.17 0.02 0.02 99.51 04:00:17 0 0.37 0.00 0.16 0.04 0.01 99.41 04:00:17 1 0.19 0.00 0.18 0.00 0.02 99.61 04:10:18 all 0.25 0.00 0.09 0.44 0.02 99.21 04:10:18 0 0.30 0.00 0.07 0.46 0.01 99.15 04:10:18 1 0.20 0.00 0.10 0.42 0.02 99.26 04:20:19 all 0.26 0.00 0.08 0.09 0.02 99.56 04:20:19 0 0.26 0.00 0.08 0.16 0.02 99.48 04:20:19 1 0.25 0.00 0.09 0.02 0.02 99.63 04:30:19 all 0.30 0.00 0.18 0.03 0.02 99.48 04:30:19 0 0.09 0.00 0.19 0.06 0.02 99.64 04:30:19 1 0.51 0.00 0.16 0.00 0.02 99.31 Average: all 0.29 0.00 0.12 0.23 0.02 99.34 Average: 0 0.27 0.00 0.12 0.15 0.02 99.44 Average: 1 0.31 0.00 0.12 0.30 0.02 99.24