---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29311 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: 5599.86 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 789 5182 4 2262 7152 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:d1:e2:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82210sec preferred_lft 82210sec inet6 fe80::f816:3eff:fed1:e224/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29311) 06/22/26 _x86_64_ (2 CPU) 01:47:17 LINUX RESTART (2 CPU) 01:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 1.62 0.03 1.58 0.02 2.29 19.01 653.53 02:10:01 1.35 0.01 1.34 0.00 0.05 15.59 0.12 02:20:05 1.43 0.00 1.42 0.01 0.01 16.96 216.38 02:30:05 1.52 0.00 1.51 0.01 0.00 17.83 435.69 02:40:01 1.24 0.00 1.24 0.00 0.00 14.37 0.00 02:50:05 1.30 0.00 1.30 0.00 0.00 15.06 0.00 Average: 1.41 0.01 1.40 0.01 0.39 16.47 217.88 01:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6258924 7532812 287376 3.53 30836 1448348 534032 5.82 447612 1200632 168 02:10:01 6265000 7539404 280788 3.45 31016 1448676 533988 5.82 447656 1201140 124 02:20:05 6257760 7532716 287428 3.53 31228 1449008 534228 5.82 447716 1201684 180 02:30:05 6259444 7534908 285228 3.51 31396 1449344 534228 5.82 447788 1202180 276 02:40:01 6258940 7534888 285136 3.51 31548 1449780 535716 5.83 448804 1202660 240 02:50:05 6261784 7538364 281772 3.46 31716 1450120 534440 5.82 453196 1203156 188 Average: 6260309 7535515 284621 3.50 31290 1449213 534439 5.82 448795 1201909 196 01:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.03 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.56 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.40 0.03 1.72 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.30 0.04 0.06 0.01 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 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.46 0.18 0.13 0.42 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 0.51 0.07 0.36 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29311) 06/22/26 _x86_64_ (2 CPU) 01:47:17 LINUX RESTART (2 CPU) 01:50:05 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.30 0.00 0.19 0.01 0.04 99.46 02:00:05 0 0.47 0.00 0.18 0.01 0.03 99.32 02:00:05 1 0.13 0.00 0.20 0.01 0.04 99.61 02:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 02:10:01 0 0.46 0.00 0.05 0.01 0.03 99.46 02:10:01 1 0.05 0.00 0.10 0.01 0.05 99.80 02:20:05 all 0.26 0.00 0.08 0.30 0.04 99.32 02:20:05 0 0.22 0.00 0.09 0.00 0.04 99.65 02:20:05 1 0.30 0.00 0.07 0.60 0.04 98.99 02:30:05 all 0.25 0.00 0.17 0.17 0.04 99.37 02:30:05 0 0.22 0.00 0.17 0.07 0.04 99.51 02:30:05 1 0.29 0.00 0.17 0.27 0.04 99.23 02:40:01 all 0.27 0.00 0.06 0.01 0.03 99.62 02:40:01 0 0.19 0.00 0.07 0.00 0.04 99.71 02:40:01 1 0.36 0.00 0.06 0.01 0.03 99.53 02:50:05 all 0.27 0.00 0.06 0.01 0.03 99.63 02:50:05 0 0.15 0.00 0.07 0.00 0.03 99.74 02:50:05 1 0.38 0.00 0.06 0.01 0.03 99.52 Average: all 0.27 0.00 0.10 0.08 0.04 99.51 Average: 0 0.28 0.00 0.10 0.02 0.03 99.56 Average: 1 0.25 0.00 0.11 0.15 0.04 99.45