---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33090 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 8.1G 30G 22% / 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 773 5011 4 2458 7168 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:cc:b8:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82035sec preferred_lft 82035sec inet6 fe80::f816:3eff:fecc:b8d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33090) 07/05/26 _x86_64_ (2 CPU) 01:47:30 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:18 2.19 0.28 1.88 0.03 32.26 79.01 219.18 02:10:18 13.99 0.01 1.44 12.54 1.25 16.72 109047.69 02:20:19 1.49 0.00 1.48 0.01 0.01 17.47 217.42 02:30:08 1.58 0.00 1.56 0.01 0.00 18.60 443.96 02:40:20 1.34 0.00 1.34 0.00 0.00 15.76 0.00 02:50:17 1.79 0.42 1.38 0.00 16.11 48.00 0.00 Average: 3.73 0.12 1.51 2.10 8.25 32.55 18343.48 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:18 6238596 7516196 303604 3.73 30824 1452224 734700 8.00 460688 1204868 176 02:10:18 6238372 7516852 302840 3.72 31020 1452908 527536 5.75 455568 1205408 156 02:20:19 6244772 7523776 295900 3.64 31212 1453232 527688 5.75 455688 1205924 168 02:30:08 6240004 7519524 300104 3.69 31380 1453572 527688 5.75 455728 1206424 144 02:40:20 6254916 7535076 284552 3.50 31552 1454024 527688 5.75 455952 1206928 124 02:50:17 6199816 7495156 324184 3.99 31848 1468768 573200 6.24 505008 1220452 264 Average: 6236079 7517763 301864 3.71 31306 1455788 569750 6.21 464772 1208334 172 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 1.42 0.24 3.28 0.05 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.59 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 1.47 0.04 7.45 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.59 0.04 0.83 0.01 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.44 0.05 0.09 0.03 0.00 0.00 0.00 0.00 02:50:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 11.39 5.15 20.19 2.63 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 2.64 0.92 5.30 0.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33090) 07/05/26 _x86_64_ (2 CPU) 01:47:30 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:18 all 0.40 0.00 0.19 0.05 0.04 99.32 02:00:18 0 0.39 0.00 0.21 0.07 0.04 99.29 02:00:18 1 0.42 0.00 0.17 0.03 0.04 99.35 02:10:18 all 0.23 0.00 0.09 0.05 0.03 99.60 02:10:18 0 0.06 0.00 0.11 0.07 0.04 99.73 02:10:18 1 0.40 0.00 0.07 0.04 0.03 99.47 02:20:19 all 0.23 0.00 0.08 0.17 0.03 99.48 02:20:19 0 0.06 0.00 0.10 0.02 0.04 99.80 02:20:19 1 0.41 0.00 0.07 0.32 0.03 99.17 02:30:08 all 0.26 0.00 0.16 0.04 0.03 99.50 02:30:08 0 0.06 0.00 0.17 0.05 0.04 99.67 02:30:08 1 0.46 0.00 0.15 0.03 0.03 99.32 02:40:20 all 0.23 0.00 0.07 0.02 0.03 99.64 02:40:20 0 0.29 0.00 0.08 0.01 0.03 99.60 02:40:20 1 0.18 0.00 0.07 0.03 0.03 99.69 02:50:17 all 0.56 0.00 0.10 0.03 0.03 99.28 02:50:17 0 0.44 0.00 0.12 0.02 0.04 99.39 02:50:17 1 0.68 0.00 0.08 0.03 0.03 99.18 Average: all 0.32 0.00 0.12 0.06 0.03 99.47 Average: 0 0.22 0.00 0.13 0.04 0.04 99.58 Average: 1 0.42 0.00 0.10 0.08 0.03 99.36