---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35887 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 8.0G 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 767 5180 4 2287 7174 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:7c:b4:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82208sec preferred_lft 82208sec inet6 fe80::f816:3eff:fe7c:b4a8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35887) 07/15/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 14.63 0.28 1.96 12.39 31.90 80.25 107858.08 02:10:15 1.24 0.01 1.21 0.01 1.11 14.74 0.67 02:20:08 1.34 0.00 1.32 0.02 0.01 16.09 1.13 02:30:08 1.42 0.00 1.40 0.03 0.00 17.39 1.55 02:40:15 1.19 0.00 1.17 0.02 0.00 14.64 1.20 02:50:09 1.38 0.00 1.36 0.02 0.00 16.25 1.21 Average: 3.56 0.05 1.41 2.11 5.58 26.70 18221.60 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6247252 7525024 294800 3.62 30812 1452228 733620 7.99 463808 1205032 132 02:10:15 6262428 7541068 278808 3.43 31028 1452876 535476 5.83 459760 1205576 268 02:20:08 6257136 7536336 283500 3.49 31256 1453200 590560 6.43 464980 1206132 160 02:30:08 6254644 7534408 285452 3.51 31468 1453528 535640 5.83 459896 1206672 208 02:40:15 6256684 7537112 282748 3.48 31672 1453976 535764 5.84 463572 1207200 156 02:50:09 6257632 7538608 281224 3.46 31880 1454308 535772 5.84 463720 1207736 152 Average: 6255963 7535426 284422 3.50 31353 1453353 577805 6.29 462623 1206391 179 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.80 0.26 3.43 0.05 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.38 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.29 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.57 0.13 0.21 0.10 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.36 0.12 0.09 0.55 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 0.60 0.10 0.65 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35887) 07/15/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.42 0.00 0.19 0.05 0.03 99.31 02:00:15 0 0.50 0.00 0.15 0.03 0.02 99.29 02:00:15 1 0.34 0.00 0.23 0.06 0.03 99.34 02:10:15 all 0.28 0.00 0.07 0.01 0.03 99.61 02:10:15 0 0.33 0.00 0.07 0.01 0.02 99.57 02:10:15 1 0.24 0.00 0.08 0.02 0.03 99.64 02:20:08 all 0.26 0.00 0.08 0.02 0.02 99.62 02:20:08 0 0.18 0.00 0.06 0.01 0.02 99.72 02:20:08 1 0.33 0.00 0.09 0.02 0.03 99.53 02:30:08 all 0.27 0.00 0.16 0.01 0.02 99.53 02:30:08 0 0.09 0.00 0.18 0.02 0.03 99.69 02:30:08 1 0.45 0.00 0.14 0.01 0.02 99.38 02:40:15 all 0.28 0.00 0.07 0.02 0.02 99.60 02:40:15 0 0.28 0.00 0.07 0.03 0.03 99.59 02:40:15 1 0.28 0.00 0.08 0.01 0.02 99.61 02:50:09 all 0.24 0.00 0.07 0.01 0.02 99.65 02:50:09 0 0.42 0.00 0.05 0.01 0.02 99.50 02:50:09 1 0.06 0.00 0.10 0.01 0.03 99.80 Average: all 0.29 0.00 0.11 0.02 0.02 99.55 Average: 0 0.30 0.00 0.10 0.02 0.02 99.56 Average: 1 0.29 0.00 0.12 0.02 0.03 99.55