---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6377 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 761 5296 4 2172 7180 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:46:cc:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84172sec preferred_lft 84172sec inet6 fe80::f816:3eff:fe46:ccef/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-6377) 04/22/26 _x86_64_ (2 CPU) 00:45:43 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 16.11 0.35 2.06 13.69 41.57 91.05 108678.70 01:10:01 1.19 0.01 1.17 0.01 1.12 14.50 0.18 01:20:04 1.26 0.02 1.25 0.00 0.61 15.04 0.04 Average: 6.14 0.13 1.49 4.52 14.31 39.96 35890.91 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 5266372 7373520 398144 4.90 84112 2187456 849472 9.25 615924 1945952 156 01:10:01 5273168 7381128 390484 4.80 84260 2188124 647392 7.05 610396 1946452 152 01:20:04 5261944 7370596 401088 4.93 84428 2188652 648432 7.06 611064 1947032 192 Average: 5267161 7375081 396572 4.88 84267 2188077 715099 7.79 612461 1946479 167 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 2.81 1.17 3.72 0.93 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.04 0.27 5.32 0.06 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.65 0.19 0.15 0.07 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.49 0.54 3.05 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6377) 04/22/26 _x86_64_ (2 CPU) 00:45:43 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.62 0.00 0.31 0.05 0.05 98.98 01:00:08 0 0.63 0.00 0.24 0.01 0.04 99.08 01:00:08 1 0.61 0.00 0.38 0.08 0.07 98.87 01:10:01 all 0.38 0.00 0.12 0.01 0.06 99.42 01:10:01 0 0.29 0.00 0.16 0.01 0.09 99.46 01:10:01 1 0.47 0.00 0.09 0.02 0.04 99.39 01:20:04 all 0.38 0.00 0.13 0.01 0.07 99.42 01:20:04 0 0.36 0.00 0.13 0.01 0.07 99.43 01:20:04 1 0.40 0.00 0.12 0.01 0.06 99.41 Average: all 0.46 0.00 0.19 0.02 0.06 99.27 Average: 0 0.43 0.00 0.18 0.01 0.07 99.32 Average: 1 0.49 0.00 0.19 0.03 0.06 99.22