---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29322 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: 5599.94 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 758 5210 4 2265 7183 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:01:bd:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82105sec preferred_lft 82105sec inet6 fe80::f816:3eff:fe01:bdbf/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-29322) 06/22/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.99 0.28 1.68 0.03 32.07 69.97 434.89 02:10:01 14.15 0.02 1.30 12.84 1.28 23.05 111691.61 02:20:12 1.26 0.00 1.25 0.01 0.01 15.45 213.83 02:30:12 1.49 0.00 1.47 0.02 0.00 18.43 653.40 02:40:01 1.31 0.00 1.31 0.00 0.00 15.29 0.00 02:50:12 1.37 0.00 1.37 0.00 0.00 15.80 0.00 Average: 3.55 0.05 1.40 2.10 5.58 26.34 18406.36 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6225112 7502760 317016 3.90 30840 1452312 728200 7.93 464916 1204736 2180 02:10:01 6232692 7511244 308432 3.79 31036 1453000 530792 5.78 459612 1205280 124 02:20:12 6247840 7526908 292768 3.60 31224 1453320 530828 5.78 459820 1205788 172 02:30:12 6239564 7519164 300484 3.69 31416 1453652 530828 5.78 459740 1206304 168 02:40:01 6239564 7519804 299848 3.69 31584 1454112 531028 5.78 460052 1206812 292 02:50:12 6239564 7520308 299336 3.68 31756 1454436 531028 5.78 456452 1207308 180 Average: 6237389 7516698 302981 3.73 31309 1453472 563784 6.14 460099 1206038 519 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.18 0.22 3.22 0.05 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 0.55 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.25 0.03 0.05 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 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.40 0.10 0.13 0.07 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 0.49 0.08 0.60 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29322) 06/22/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.40 0.00 0.22 0.02 0.03 99.32 02:00:15 0 0.39 0.00 0.21 0.02 0.03 99.35 02:00:15 1 0.42 0.00 0.23 0.02 0.03 99.30 02:10:01 all 0.26 0.00 0.10 0.03 0.02 99.59 02:10:01 0 0.31 0.00 0.10 0.06 0.02 99.52 02:10:01 1 0.22 0.00 0.10 0.01 0.02 99.65 02:20:12 all 0.28 0.00 0.09 0.01 0.02 99.60 02:20:12 0 0.07 0.00 0.11 0.01 0.02 99.79 02:20:12 1 0.49 0.00 0.08 0.01 0.02 99.40 02:30:12 all 0.26 0.00 0.17 0.01 0.02 99.54 02:30:12 0 0.08 0.00 0.18 0.02 0.02 99.71 02:30:12 1 0.45 0.00 0.16 0.01 0.02 99.37 02:40:01 all 0.26 0.00 0.07 0.01 0.02 99.64 02:40:01 0 0.07 0.00 0.10 0.02 0.02 99.79 02:40:01 1 0.44 0.00 0.05 0.00 0.02 99.49 02:50:12 all 0.31 0.00 0.09 0.01 0.02 99.57 02:50:12 0 0.10 0.00 0.10 0.01 0.02 99.78 02:50:12 1 0.52 0.00 0.08 0.01 0.02 99.37 Average: all 0.30 0.00 0.12 0.02 0.02 99.54 Average: 0 0.17 0.00 0.13 0.02 0.02 99.66 Average: 1 0.43 0.00 0.11 0.01 0.02 99.43