---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6873 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 746 5294 4 2189 7195 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:9b:90:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81931sec preferred_lft 81931sec inet6 fe80::f816:3eff:fe9b:90b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6873) 04/23/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.39 0.01 1.37 0.01 0.05 17.10 855.99 01:10:01 1.74 0.32 1.41 0.01 39.68 72.93 0.20 01:20:01 1.25 0.01 1.23 0.01 1.07 14.80 0.77 01:30:01 1.38 0.00 1.35 0.03 0.00 16.87 654.02 01:40:01 1.67 0.40 1.25 0.02 15.83 46.28 1.32 01:50:01 21.48 2.61 16.62 2.24 212.26 3131.20 584.03 Average: 4.81 0.56 3.87 0.39 44.68 549.44 351.94 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6295408 7542412 278444 3.42 30688 1422008 530532 5.78 443456 1183560 152 01:10:01 6241000 7517020 303236 3.73 31056 1450268 741288 8.07 460668 1201132 240 01:20:01 6247860 7524724 295668 3.64 31244 1450912 530776 5.78 455756 1201652 124 01:30:01 6251416 7528844 291492 3.58 31460 1451248 530836 5.78 455604 1202192 240 01:40:01 6216516 7509328 310792 3.82 31808 1466068 572280 6.23 501040 1215728 216 01:50:01 5300228 7415848 356400 4.38 85172 2194548 635764 6.92 598812 1953524 284 Average: 6092071 7506363 306005 3.76 40238 1572509 590246 6.43 485889 1326298 209 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.60 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.90 0.23 10.80 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.42 0.11 0.12 0.06 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 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 9.74 5.52 23.78 3.18 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 101.32 71.74 285.52 15.38 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 18.87 12.95 53.34 3.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6873) 04/23/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.28 0.00 0.18 0.01 0.03 99.51 01:00:11 0 0.14 0.00 0.18 0.01 0.03 99.63 01:00:11 1 0.41 0.00 0.18 0.01 0.03 99.38 01:10:01 all 0.37 0.00 0.11 0.02 0.03 99.47 01:10:01 0 0.13 0.00 0.10 0.02 0.04 99.71 01:10:01 1 0.60 0.00 0.12 0.03 0.02 99.23 01:20:01 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:01 0 0.38 0.00 0.07 0.00 0.03 99.53 01:20:01 1 0.15 0.00 0.09 0.01 0.03 99.71 01:30:01 all 0.26 0.00 0.17 0.01 0.03 99.54 01:30:01 0 0.15 0.00 0.19 0.02 0.03 99.61 01:30:01 1 0.36 0.00 0.14 0.01 0.03 99.47 01:40:01 all 0.52 0.00 0.10 0.01 0.03 99.34 01:40:01 0 0.41 0.00 0.14 0.01 0.03 99.41 01:40:01 1 0.63 0.00 0.07 0.02 0.02 99.27 01:50:01 all 13.33 0.00 1.89 0.49 0.06 84.23 01:50:01 0 18.70 0.00 2.34 0.60 0.06 78.30 01:50:01 1 7.96 0.00 1.44 0.37 0.06 90.17 Average: all 2.50 0.00 0.42 0.09 0.03 96.96 Average: 0 3.31 0.00 0.50 0.11 0.03 96.04 Average: 1 1.68 0.00 0.34 0.07 0.03 97.88