---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29973 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 767 5203 4 2263 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:89:38:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81861sec preferred_lft 81861sec inet6 fe80::f816:3eff:fe89:380e/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-29973) 06/24/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.04 0.28 1.72 0.03 34.22 81.80 465.54 01:10:39 1.23 0.00 1.23 0.00 0.00 15.01 0.05 01:20:39 1.35 0.00 1.34 0.00 0.01 16.61 0.07 01:30:01 1.38 0.00 1.36 0.02 0.00 17.33 698.41 01:40:39 1.25 0.00 1.25 0.00 0.00 15.67 0.00 01:50:39 1.49 0.25 1.24 0.00 8.68 32.03 0.00 Average: 1.45 0.09 1.35 0.01 6.79 29.03 181.65 00:50:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6245364 7519632 299908 3.69 30864 1448900 524692 5.71 455264 1201008 240 01:10:39 6244676 7519464 300032 3.69 31028 1449260 524756 5.72 455444 1201524 164 01:20:39 6242168 7517496 301932 3.71 31232 1449592 579912 6.32 461308 1202064 132 01:30:01 6248268 7524080 295476 3.63 31396 1449888 525024 5.72 456052 1202528 124 01:40:39 6255604 7532096 287452 3.53 31584 1450376 525036 5.72 456672 1203076 132 01:50:39 6250132 7534908 284536 3.50 31792 1458368 530360 5.78 463932 1210452 168 Average: 6247702 7524613 294889 3.63 31316 1451064 534963 5.83 458112 1203442 160 00:50:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.06 0.30 3.44 0.05 0.00 0.00 0.00 0.00 01:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:39 ens3 0.62 0.04 5.37 0.03 0.00 0.00 0.00 0.00 01:20:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:39 ens3 1.04 0.10 1.01 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 01:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:39 ens3 0.40 0.18 0.11 0.44 0.00 0.00 0.00 0.00 01:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:39 ens3 4.90 2.46 10.12 0.74 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 1.37 0.52 3.37 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29973) 06/24/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:39 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.41 0.00 0.19 0.02 0.04 99.33 01:00:01 0 0.40 0.00 0.22 0.02 0.05 99.31 01:00:01 1 0.42 0.00 0.16 0.02 0.04 99.35 01:10:39 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:39 0 0.39 0.00 0.06 0.00 0.03 99.52 01:10:39 1 0.08 0.00 0.08 0.01 0.05 99.78 01:20:39 all 0.26 0.00 0.08 0.01 0.04 99.61 01:20:39 0 0.07 0.00 0.09 0.00 0.05 99.80 01:20:39 1 0.45 0.00 0.07 0.02 0.04 99.42 01:30:01 all 0.29 0.00 0.16 0.01 0.04 99.50 01:30:01 0 0.29 0.00 0.15 0.02 0.05 99.50 01:30:01 1 0.30 0.00 0.16 0.01 0.04 99.50 01:40:39 all 0.24 0.00 0.07 0.01 0.04 99.65 01:40:39 0 0.42 0.00 0.05 0.01 0.03 99.49 01:40:39 1 0.06 0.00 0.08 0.01 0.05 99.81 01:50:39 all 0.32 0.00 0.07 0.02 0.04 99.55 01:50:39 0 0.27 0.00 0.08 0.02 0.04 99.60 01:50:39 1 0.38 0.00 0.07 0.02 0.04 99.49 Average: all 0.29 0.00 0.10 0.01 0.04 99.55 Average: 0 0.30 0.00 0.10 0.01 0.04 99.54 Average: 1 0.27 0.00 0.10 0.01 0.04 99.57