---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6570 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 7.8G 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 736 5338 4 2160 7205 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:9d:ab:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82496sec preferred_lft 82496sec inet6 fe80::f816:3eff:fe9d:ab6c/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-6570) 03/21/26 _x86_64_ (2 CPU) 01:54:34 LINUX RESTART (2 CPU) 02:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:13 14.02 0.01 1.46 12.55 0.20 16.60 109187.67 02:20:13 1.96 0.32 1.63 0.01 39.03 72.41 0.20 02:30:13 1.63 0.00 1.60 0.03 1.05 18.69 218.57 02:40:06 15.68 13.71 1.90 0.07 153.01 43.16 98.74 02:50:13 1.39 0.00 1.37 0.02 0.00 15.98 1.19 Average: 6.90 2.77 1.59 2.54 38.28 33.30 21900.16 02:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:13 6290948 7542340 277976 3.42 30724 1426316 524064 5.71 448880 1187284 140 02:20:13 6244712 7524712 295000 3.63 31088 1454184 721184 7.86 466012 1204456 124 02:30:13 6247356 7528216 291568 3.59 31272 1454824 524064 5.71 464468 1204968 124 02:40:06 6187076 7525072 285664 3.51 35452 1499456 524304 5.71 465448 1253164 288 02:50:13 6187076 7525724 285016 3.50 35644 1499900 524360 5.71 465672 1253680 124 Average: 6231434 7529213 287045 3.53 32836 1466936 563595 6.14 462096 1220710 160 02:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.51 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.63 0.24 3.22 0.03 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.35 0.05 0.09 0.04 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.37 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 0.25 0.06 0.08 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 0.09 0.71 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6570) 03/21/26 _x86_64_ (2 CPU) 01:54:34 LINUX RESTART (2 CPU) 02:00:13 CPU %user %nice %system %iowait %steal %idle 02:10:13 all 0.26 0.00 0.09 0.13 0.03 99.49 02:10:13 0 0.05 0.00 0.10 0.19 0.04 99.62 02:10:13 1 0.47 0.00 0.08 0.06 0.03 99.36 02:20:13 all 0.32 0.00 0.11 0.05 0.03 99.48 02:20:13 0 0.20 0.00 0.13 0.09 0.03 99.55 02:20:13 1 0.45 0.00 0.09 0.02 0.03 99.41 02:30:13 all 0.27 0.00 0.16 0.08 0.03 99.46 02:30:13 0 0.37 0.00 0.17 0.06 0.02 99.38 02:30:13 1 0.17 0.00 0.16 0.10 0.03 99.55 02:40:06 all 0.26 0.18 0.14 0.18 0.03 99.20 02:40:06 0 0.16 0.03 0.12 0.02 0.03 99.65 02:40:06 1 0.37 0.34 0.17 0.34 0.03 98.76 02:50:13 all 0.25 0.00 0.07 0.07 0.03 99.58 02:50:13 0 0.06 0.00 0.08 0.04 0.03 99.79 02:50:13 1 0.44 0.00 0.06 0.10 0.02 99.37 Average: all 0.27 0.04 0.12 0.10 0.03 99.45 Average: 0 0.17 0.01 0.12 0.08 0.03 99.60 Average: 1 0.38 0.07 0.11 0.12 0.03 99.29