---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-109 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 766 5197 4 2271 7175 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:a3:1a:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81767sec preferred_lft 81767sec inet6 fe80::f816:3eff:fea3:1a84/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-109) 07/29/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 14.29 0.04 1.42 12.83 2.40 17.69 112573.03 01:10:00 1.11 0.00 1.11 0.00 0.00 13.11 0.00 01:20:01 1.19 0.00 1.19 0.00 0.01 13.84 0.12 01:30:02 1.49 0.00 1.48 0.01 0.00 17.84 652.70 01:40:03 1.86 0.25 1.60 0.01 30.90 75.94 0.17 01:50:04 12.00 1.44 9.77 0.79 105.95 1575.96 377.62 Average: 5.29 0.29 2.77 2.23 23.28 286.51 18564.99 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6283544 7531924 288428 3.55 30716 1423316 524744 5.72 448824 1183720 128 01:10:00 6291356 7540228 280116 3.44 30876 1423652 524776 5.72 448920 1184208 148 01:20:01 6291132 7540516 279820 3.44 31052 1423976 525056 5.72 449216 1184716 124 01:30:02 6294740 7544660 275640 3.39 31244 1424304 525248 5.72 449476 1185236 180 01:40:03 6248268 7525628 294116 3.62 31600 1451036 725664 7.90 463932 1203432 184 01:50:04 5369804 7343552 437056 5.37 69980 2075412 683532 7.44 645632 1851288 265176 Average: 6129807 7504418 309196 3.80 37578 1536949 584837 6.37 484333 1298767 44323 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.48 0.07 0.06 0.02 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.41 0.07 0.08 0.03 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 0.58 0.18 0.19 0.11 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.48 0.22 0.10 0.61 0.00 0.00 0.00 0.00 01:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.59 0.26 3.29 0.07 0.00 0.00 0.00 0.00 01:50:04 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:04 ens3 40.98 25.43 277.22 6.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.27 4.38 46.96 1.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-109) 07/29/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.33 0.00 0.19 0.03 0.03 99.42 01:00:00 0 0.57 0.00 0.19 0.06 0.02 99.16 01:00:00 1 0.09 0.00 0.19 0.01 0.03 99.68 01:10:00 all 0.27 0.00 0.07 0.01 0.02 99.63 01:10:00 0 0.48 0.00 0.04 0.01 0.02 99.44 01:10:00 1 0.06 0.00 0.10 0.00 0.03 99.82 01:20:01 all 0.27 0.00 0.06 0.01 0.02 99.64 01:20:01 0 0.47 0.00 0.04 0.01 0.02 99.47 01:20:01 1 0.07 0.00 0.09 0.01 0.03 99.81 01:30:02 all 0.25 0.00 0.16 0.01 0.03 99.55 01:30:02 0 0.32 0.00 0.16 0.00 0.03 99.49 01:30:02 1 0.18 0.00 0.16 0.02 0.02 99.62 01:40:03 all 0.37 0.00 0.09 0.02 0.02 99.49 01:40:03 0 0.40 0.00 0.05 0.02 0.02 99.51 01:40:03 1 0.34 0.00 0.13 0.02 0.03 99.48 01:50:04 all 5.69 0.00 0.81 0.33 0.04 93.12 01:50:04 0 3.04 0.00 0.44 0.12 0.04 96.36 01:50:04 1 8.34 0.00 1.18 0.55 0.04 89.89 Average: all 1.20 0.00 0.23 0.07 0.03 98.47 Average: 0 0.88 0.00 0.15 0.04 0.02 98.91 Average: 1 1.52 0.00 0.31 0.10 0.03 98.04