---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1033 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 778 5277 4 2174 7163 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:b4:be:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82201sec preferred_lft 82201sec inet6 fe80::f816:3eff:feb4:be0d/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-1033) 04/07/26 _x86_64_ (2 CPU) 15:56:34 LINUX RESTART (2 CPU) 16:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 1.38 0.03 1.35 0.00 1.25 16.26 0.12 16:20:08 2.02 0.32 1.68 0.03 38.65 73.72 1.27 16:30:08 1.61 0.01 1.58 0.03 1.05 19.13 654.01 16:40:01 1.30 0.00 1.30 0.00 0.00 15.20 0.00 16:50:08 1.28 0.00 1.28 0.00 0.00 15.65 0.00 17:00:01 1.52 0.03 1.48 0.02 2.17 18.87 660.74 Average: 1.52 0.06 1.44 0.01 7.27 26.59 218.53 16:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 6291020 7538436 282172 3.47 30584 1422500 517176 5.63 444108 1183284 140 16:20:08 6229204 7505424 314568 3.87 31016 1450504 726804 7.92 465184 1200636 200 16:30:08 6248440 7525528 294580 3.62 31220 1451136 528852 5.76 459780 1201180 132 16:40:01 6248440 7526016 294088 3.62 31380 1451456 528852 5.76 460100 1201660 276 16:50:08 6248440 7526516 293548 3.61 31540 1451792 528852 5.76 460092 1202152 180 17:00:01 6253292 7532664 287368 3.53 31712 1452884 529000 5.76 459028 1202732 244 Average: 6253139 7525764 294387 3.62 31242 1446712 559923 6.10 458049 1198607 195 16:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:10:01 ens3 1.11 0.04 0.09 0.01 0.00 0.00 0.00 0.00 16:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:20:08 ens3 0.76 0.22 4.86 0.05 0.00 0.00 0.00 0.00 16:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:08 ens3 0.32 0.03 0.05 0.01 0.00 0.00 0.00 0.00 16:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:40:01 ens3 0.40 0.05 0.23 0.03 0.00 0.00 0.00 0.00 16:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:08 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 17:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:00:01 ens3 0.38 0.16 0.11 0.45 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 0.53 0.09 0.91 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1033) 04/07/26 _x86_64_ (2 CPU) 15:56:34 LINUX RESTART (2 CPU) 16:00:08 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 0.26 0.00 0.08 0.01 0.02 99.63 16:10:01 0 0.07 0.00 0.09 0.02 0.02 99.80 16:10:01 1 0.46 0.00 0.07 0.00 0.02 99.46 16:20:08 all 0.40 0.00 0.11 0.02 0.02 99.43 16:20:08 0 0.48 0.00 0.14 0.04 0.02 99.32 16:20:08 1 0.33 0.00 0.09 0.01 0.02 99.55 16:30:08 all 0.26 0.00 0.16 0.02 0.02 99.54 16:30:08 0 0.26 0.00 0.16 0.01 0.03 99.55 16:30:08 1 0.25 0.00 0.16 0.03 0.02 99.54 16:40:01 all 0.26 0.00 0.07 0.01 0.02 99.65 16:40:01 0 0.05 0.00 0.08 0.01 0.02 99.84 16:40:01 1 0.46 0.00 0.06 0.01 0.02 99.46 16:50:08 all 0.24 0.00 0.07 0.01 0.02 99.66 16:50:08 0 0.05 0.00 0.09 0.00 0.02 99.83 16:50:08 1 0.43 0.00 0.05 0.02 0.02 99.49 17:00:01 all 0.33 0.00 0.17 0.01 0.02 99.46 17:00:01 0 0.23 0.00 0.17 0.02 0.03 99.56 17:00:01 1 0.44 0.00 0.17 0.01 0.02 99.37 Average: all 0.29 0.00 0.11 0.01 0.02 99.56 Average: 0 0.19 0.00 0.12 0.02 0.02 99.65 Average: 1 0.40 0.00 0.10 0.01 0.02 99.48