---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10979 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 780 5267 4 2182 7161 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:7f:9b:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82258sec preferred_lft 82258sec inet6 fe80::f816:3eff:fe7f:9b11/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10979) 05/05/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 2.07 0.28 1.77 0.02 32.18 77.14 870.34 02:10:00 1.33 0.01 1.32 0.00 0.05 15.91 0.12 02:20:01 1.31 0.00 1.30 0.00 0.01 15.45 0.12 02:30:01 1.49 0.00 1.48 0.01 0.00 17.94 870.71 02:40:01 1.30 0.00 1.30 0.00 0.00 15.22 0.00 02:50:01 13.91 0.00 1.36 12.54 0.15 16.10 109170.00 Average: 3.57 0.05 1.42 2.10 5.40 26.30 18472.14 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6254820 7532292 287904 3.54 30860 1451896 723456 7.88 457760 1204288 144 02:10:00 6254820 7532812 287372 3.53 31052 1452216 723452 7.88 457904 1204804 8 02:20:01 6254580 7533092 287076 3.53 31240 1452532 723456 7.88 457952 1205308 240 02:30:01 6244844 7523868 296272 3.64 31408 1452872 723608 7.88 458008 1205808 256 02:40:01 6244844 7524368 295768 3.64 31568 1453204 723672 7.88 458276 1206300 152 02:50:01 6252432 7532636 287448 3.53 31744 1453688 724036 7.89 461628 1206812 124 Average: 6251057 7529845 290307 3.57 31312 1452735 723613 7.88 458588 1205553 154 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.11 0.21 3.17 0.05 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.39 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.23 0.04 0.04 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 0.36 0.06 0.11 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.31 0.08 0.11 0.06 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 0.44 0.08 0.59 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10979) 05/05/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.39 0.00 0.20 0.15 0.04 99.22 02:00:00 0 0.30 0.00 0.20 0.24 0.04 99.23 02:00:00 1 0.48 0.00 0.20 0.07 0.04 99.22 02:10:00 all 0.25 0.00 0.08 0.01 0.04 99.62 02:10:00 0 0.19 0.00 0.09 0.00 0.04 99.69 02:10:00 1 0.32 0.00 0.08 0.02 0.03 99.55 02:20:01 all 0.27 0.00 0.07 0.01 0.05 99.61 02:20:01 0 0.33 0.00 0.06 0.00 0.04 99.57 02:20:01 1 0.20 0.00 0.08 0.02 0.05 99.66 02:30:01 all 0.26 0.00 0.16 0.01 0.04 99.52 02:30:01 0 0.27 0.00 0.13 0.00 0.04 99.56 02:30:01 1 0.25 0.00 0.20 0.02 0.05 99.48 02:40:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:40:01 0 0.05 0.00 0.08 0.01 0.05 99.81 02:40:01 1 0.40 0.00 0.06 0.02 0.03 99.49 02:50:01 all 0.28 0.00 0.09 0.03 0.04 99.56 02:50:01 0 0.12 0.00 0.10 0.02 0.05 99.72 02:50:01 1 0.44 0.00 0.08 0.05 0.03 99.40 Average: all 0.28 0.00 0.11 0.04 0.04 99.53 Average: 0 0.21 0.00 0.11 0.04 0.04 99.59 Average: 1 0.35 0.00 0.11 0.03 0.04 99.47