---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-111 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 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 743 5208 4 2283 7198 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:2d:79:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81693sec preferred_lft 81693sec inet6 fe80::f816:3eff:fe2d:79f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-111) 07/29/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:47 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 2.10 0.29 1.77 0.04 34.81 84.02 945.95 01:10:00 1.33 0.00 1.31 0.02 0.00 15.58 1.09 01:20:09 1.37 0.00 1.35 0.02 0.01 16.06 1.08 01:30:02 1.57 0.00 1.54 0.03 0.00 19.06 883.13 01:40:03 1.42 0.00 1.40 0.02 0.00 17.03 1.30 01:50:04 24.79 1.44 10.01 13.33 106.59 1676.28 110081.86 Average: 5.47 0.29 2.91 2.27 23.40 307.32 18867.90 00:50:47 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6236988 7515628 304244 3.74 30964 1453128 521840 5.68 453996 1205580 124 01:10:00 6244576 7523764 296112 3.64 31176 1453460 522104 5.69 454220 1206124 136 01:20:09 6252388 7532108 287724 3.54 31372 1453784 522116 5.69 454840 1206644 132 01:30:02 6244720 7524996 294860 3.63 31596 1454112 522876 5.70 456036 1207196 196 01:40:03 6243740 7524712 295004 3.63 31832 1454572 578088 6.30 461468 1207760 204 01:50:04 5390048 7367704 412844 5.08 70268 2079136 661092 7.20 611924 1855700 238244 Average: 6102077 7498152 315131 3.87 37868 1558032 554686 6.04 482081 1314834 39839 00:50:47 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 1.06 0.48 3.52 0.04 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 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.59 0.15 0.19 0.10 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 0.46 0.21 0.10 0.56 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.39 0.09 0.11 0.06 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 44.97 26.38 277.49 6.07 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 8.06 4.61 47.45 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-111) 07/29/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:47 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.41 0.00 0.21 0.03 0.03 99.33 01:00:00 0 0.46 0.00 0.18 0.03 0.02 99.31 01:00:00 1 0.35 0.00 0.24 0.02 0.03 99.35 01:10:00 all 0.25 0.00 0.08 0.01 0.02 99.64 01:10:00 0 0.44 0.00 0.06 0.01 0.02 99.47 01:10:00 1 0.06 0.00 0.10 0.00 0.03 99.81 01:20:09 all 0.29 0.00 0.07 0.01 0.02 99.61 01:20:09 0 0.26 0.00 0.06 0.00 0.02 99.65 01:20:09 1 0.32 0.00 0.07 0.02 0.02 99.56 01:30:02 all 0.26 0.00 0.16 0.01 0.02 99.54 01:30:02 0 0.08 0.00 0.17 0.02 0.03 99.71 01:30:02 1 0.45 0.00 0.16 0.01 0.02 99.38 01:40:03 all 0.23 0.00 0.08 0.01 0.02 99.66 01:40:03 0 0.21 0.00 0.08 0.01 0.02 99.68 01:40:03 1 0.26 0.00 0.07 0.01 0.02 99.64 01:50:04 all 5.63 0.00 0.83 0.36 0.05 93.13 01:50:04 0 7.14 0.00 1.02 0.38 0.03 91.43 01:50:04 1 4.13 0.00 0.65 0.35 0.06 94.82 Average: all 1.19 0.00 0.24 0.07 0.03 98.48 Average: 0 1.44 0.00 0.26 0.07 0.02 98.20 Average: 1 0.93 0.00 0.21 0.07 0.03 98.75