---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15970 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 756 5294 4 2179 7185 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:cd:c1:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81364sec preferred_lft 81364sec inet6 fe80::f816:3eff:fecd:c159/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15970) 05/17/26 _x86_64_ (2 CPU) 01:35:38 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:28 1.47 0.02 1.44 0.00 1.19 16.70 0.11 02:00:28 1.57 0.01 1.53 0.03 0.05 19.05 873.12 02:10:01 1.34 0.00 1.33 0.02 0.00 15.44 1.13 02:20:04 1.35 0.00 1.33 0.02 0.01 15.53 1.09 02:30:28 2.01 0.24 1.72 0.04 29.78 74.79 839.58 02:40:01 1.41 0.01 1.38 0.02 1.10 16.33 1.06 02:50:06 14.34 0.42 1.47 12.46 16.09 48.41 108364.60 Average: 3.37 0.10 1.46 1.81 7.07 29.82 15821.01 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:28 6298016 7544228 276232 3.40 30584 1421320 532336 5.80 446632 1183156 168 02:00:28 6290216 7537040 283452 3.49 30832 1421652 530756 5.78 445628 1183744 168 02:10:01 6289768 7537120 283364 3.48 31036 1421972 530896 5.78 445668 1184268 284 02:20:04 6305420 7553324 267152 3.28 31252 1422300 530960 5.78 445708 1184812 232 02:30:28 6231976 7506648 313324 3.85 31660 1448288 725728 7.90 460112 1202444 124 02:40:01 6240800 7516436 303476 3.73 31844 1449056 531056 5.78 456684 1202956 168 02:50:06 6238408 7529248 290444 3.57 32156 1463764 548480 5.97 482012 1216440 316 Average: 6270658 7532006 288206 3.54 31338 1435479 561459 6.12 454635 1193974 209 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:28 ens3 1.07 0.03 0.10 0.01 0.00 0.00 0.00 0.00 02:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:28 ens3 0.53 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.63 0.03 3.61 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.31 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:28 ens3 0.46 0.20 3.01 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.44 0.08 0.10 0.04 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 8.66 4.55 19.91 3.01 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 1.74 0.72 3.85 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15970) 05/17/26 _x86_64_ (2 CPU) 01:35:38 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:28 all 0.26 0.00 0.09 0.02 0.03 99.60 01:50:28 0 0.45 0.00 0.06 0.03 0.02 99.43 01:50:28 1 0.07 0.00 0.12 0.01 0.03 99.77 02:00:28 all 0.30 0.00 0.21 0.15 0.02 99.32 02:00:28 0 0.31 0.00 0.21 0.25 0.02 99.21 02:00:28 1 0.29 0.00 0.21 0.06 0.02 99.42 02:10:01 all 0.29 0.00 0.09 0.08 0.33 99.21 02:10:01 0 0.18 0.00 0.08 0.10 0.49 99.15 02:10:01 1 0.40 0.00 0.10 0.06 0.17 99.27 02:20:04 all 0.25 0.00 0.09 0.09 0.02 99.55 02:20:04 0 0.38 0.00 0.08 0.16 0.01 99.37 02:20:04 1 0.12 0.00 0.10 0.03 0.02 99.73 02:30:28 all 0.39 0.00 0.21 0.04 0.03 99.33 02:30:28 0 0.51 0.00 0.22 0.05 0.03 99.20 02:30:28 1 0.26 0.00 0.21 0.03 0.04 99.46 02:40:01 all 0.30 0.00 0.09 0.04 0.05 99.52 02:40:01 0 0.38 0.00 0.08 0.07 0.05 99.42 02:40:01 1 0.21 0.00 0.11 0.02 0.06 99.62 02:50:06 all 0.55 0.00 0.13 0.04 0.02 99.26 02:50:06 0 0.67 0.00 0.11 0.04 0.02 99.16 02:50:06 1 0.42 0.00 0.16 0.05 0.02 99.35 Average: all 0.33 0.00 0.13 0.07 0.07 99.40 Average: 0 0.42 0.00 0.12 0.10 0.09 99.28 Average: 1 0.25 0.00 0.14 0.04 0.05 99.52