---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1886 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 8.0G 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 764 5140 4 2333 7177 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:e2:69:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82159sec preferred_lft 82159sec inet6 fe80::f816:3eff:fee2:698e/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-1886) 04/11/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 2.12 0.32 1.76 0.04 39.12 75.81 654.47 01:10:00 1.46 0.03 1.42 0.02 3.15 17.16 1.29 01:20:00 1.38 0.00 1.37 0.01 0.01 16.24 0.36 01:30:00 28.41 13.54 2.20 12.67 151.26 48.09 109337.96 01:40:00 1.60 0.40 1.19 0.01 15.83 46.75 0.12 01:50:00 22.57 2.63 17.70 2.24 211.33 3245.88 1309.87 Average: 9.59 2.82 4.27 2.50 70.12 574.99 18551.03 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6255556 7531252 288696 3.55 30848 1450164 722584 7.87 460116 1200236 124 01:10:00 6267284 7544496 275484 3.39 31060 1451444 522756 5.69 454900 1200856 124 01:20:00 6274368 7552108 267868 3.29 31252 1451772 522756 5.69 455520 1201376 124 01:30:00 6205036 7540044 270604 3.33 35472 1496444 577840 6.29 461116 1249628 132 01:40:00 6157240 7507608 302848 3.72 35784 1511272 564320 6.15 498476 1263128 248 01:50:00 5158000 7369624 374356 4.60 89068 2276388 655748 7.14 616636 2037780 188 Average: 6052914 7507522 296643 3.65 42247 1606247 594334 6.47 491127 1358834 157 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 1.00 0.21 3.13 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.09 0.07 10.12 0.04 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.58 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 11.72 5.76 24.07 3.23 0.00 0.00 0.00 0.00 01:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 70.95 54.05 306.85 12.57 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.28 10.04 57.40 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1886) 04/11/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.38 0.00 0.22 0.03 0.03 99.34 01:00:00 0 0.54 0.00 0.22 0.02 0.03 99.20 01:00:00 1 0.23 0.00 0.23 0.04 0.03 99.48 01:10:00 all 0.29 0.00 0.08 0.01 0.04 99.59 01:10:00 0 0.15 0.00 0.10 0.00 0.04 99.70 01:10:00 1 0.42 0.00 0.06 0.02 0.03 99.47 01:20:00 all 0.28 0.00 0.07 0.02 0.04 99.60 01:20:00 0 0.27 0.00 0.07 0.00 0.04 99.62 01:20:00 1 0.29 0.00 0.07 0.03 0.04 99.57 01:30:00 all 0.27 0.18 0.24 0.17 0.04 99.10 01:30:00 0 0.42 0.00 0.17 0.05 0.03 99.33 01:30:00 1 0.13 0.35 0.32 0.28 0.05 98.88 01:40:00 all 0.48 0.00 0.11 0.01 0.03 99.36 01:40:00 0 0.62 0.00 0.12 0.02 0.02 99.22 01:40:00 1 0.35 0.00 0.10 0.01 0.04 99.51 01:50:00 all 15.88 0.00 1.76 1.33 0.07 80.96 01:50:00 0 12.33 0.00 1.65 0.92 0.07 85.03 01:50:00 1 19.43 0.00 1.88 1.74 0.07 76.88 Average: all 2.93 0.03 0.41 0.26 0.04 96.33 Average: 0 2.38 0.00 0.39 0.17 0.04 97.02 Average: 1 3.47 0.06 0.44 0.35 0.04 95.64