---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16152 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 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 5298 4 2193 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:b0:cb:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81875sec preferred_lft 81875sec inet6 fe80::f816:3eff:feb0:cb5e/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-16152) 05/18/26 _x86_64_ (2 CPU) 01:57:44 LINUX RESTART (2 CPU) 02:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:11 1.31 0.02 1.28 0.00 1.24 14.84 0.12 02:20:11 1.25 0.01 1.23 0.01 0.07 14.88 0.96 02:30:11 1.42 0.00 1.40 0.03 0.00 16.71 437.10 02:40:11 1.21 0.00 1.20 0.02 0.00 14.63 1.20 02:50:11 1.26 0.00 1.24 0.02 0.00 15.12 1.09 03:00:11 3.58 1.58 1.95 0.05 128.32 215.63 437.37 03:10:11 33.93 1.70 16.62 15.61 131.86 3046.18 107346.58 Average: 6.28 0.47 3.56 2.25 37.36 476.86 15460.85 02:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:11 6277304 7523480 297192 3.65 30548 1421284 529160 5.76 444956 1183140 160 02:20:11 6291596 7538316 282264 3.47 30768 1421616 529224 5.76 445196 1183680 180 02:30:11 6288856 7536112 284456 3.50 30964 1421944 529224 5.76 445216 1184204 192 02:40:11 6296248 7544028 276536 3.40 31164 1422264 529224 5.76 445364 1184724 184 02:50:11 6295492 7543836 276724 3.40 31368 1422604 529452 5.77 445776 1185280 128 03:00:11 6008820 7413540 399436 4.91 40260 1563672 609404 6.64 562900 1313444 59448 03:10:11 5293996 7417000 354648 4.36 85124 2201772 631152 6.87 593728 1963416 312 Average: 6107473 7502330 310179 3.81 40028 1553594 555263 6.05 483305 1313984 8658 02:00:11 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 0.90 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.39 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.30 0.04 0.22 0.01 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 0.60 0.06 1.13 0.03 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.26 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:11 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:00:11 ens3 20.62 11.37 72.45 4.61 0.00 0.00 0.00 0.00 03:10:11 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:11 ens3 94.09 67.51 243.73 13.95 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.74 11.30 45.39 2.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16152) 05/18/26 _x86_64_ (2 CPU) 01:57:44 LINUX RESTART (2 CPU) 02:00:11 CPU %user %nice %system %iowait %steal %idle 02:10:11 all 0.26 0.00 0.07 0.01 0.03 99.62 02:10:11 0 0.47 0.00 0.05 0.01 0.03 99.44 02:10:11 1 0.05 0.00 0.09 0.02 0.04 99.80 02:20:11 all 0.24 0.00 0.07 0.07 0.03 99.59 02:20:11 0 0.18 0.00 0.07 0.14 0.03 99.58 02:20:11 1 0.30 0.00 0.07 0.00 0.03 99.59 02:30:11 all 0.26 0.00 0.15 0.01 0.03 99.55 02:30:11 0 0.08 0.00 0.17 0.02 0.03 99.70 02:30:11 1 0.44 0.00 0.14 0.01 0.02 99.40 02:40:11 all 0.26 0.00 0.08 0.01 0.03 99.62 02:40:11 0 0.06 0.00 0.10 0.00 0.03 99.81 02:40:11 1 0.47 0.00 0.06 0.02 0.02 99.44 02:50:11 all 0.26 0.00 0.07 0.02 0.03 99.62 02:50:11 0 0.06 0.00 0.09 0.00 0.03 99.82 02:50:11 1 0.46 0.00 0.06 0.03 0.03 99.42 03:00:11 all 1.37 0.00 0.37 0.06 0.03 98.17 03:00:11 0 1.84 0.00 0.41 0.07 0.03 97.65 03:00:11 1 0.90 0.00 0.32 0.05 0.03 98.70 03:10:11 all 12.98 0.00 1.80 0.57 0.06 84.59 03:10:11 0 14.82 0.00 1.83 0.74 0.06 82.54 03:10:11 1 11.13 0.00 1.77 0.40 0.06 86.64 Average: all 2.23 0.00 0.37 0.11 0.03 97.26 Average: 0 2.50 0.00 0.39 0.14 0.03 96.94 Average: 1 1.96 0.00 0.36 0.07 0.03 97.57