---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13078 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 739 5310 4 2180 7202 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:8e:0c:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81738sec preferred_lft 81738sec inet6 fe80::f816:3eff:fe8e:c2b/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-13078) 05/13/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 8.11 3.32 4.73 0.06 391.19 3678.93 219.57 01:00:02 1.46 0.01 1.44 0.01 0.05 17.87 654.11 01:10:00 1.39 0.25 1.13 0.01 30.67 14.50 0.07 01:20:02 1.52 0.00 1.50 0.02 0.44 72.75 1.26 01:30:02 1.53 0.00 1.50 0.03 0.00 18.47 872.36 01:40:01 1.32 0.00 1.30 0.02 0.00 15.76 1.10 01:50:02 1.80 0.41 1.37 0.02 15.97 47.63 1.20 Average: 2.45 0.57 1.85 0.02 62.63 552.59 249.95 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6301652 7548700 271248 3.34 30504 1422420 529812 5.77 444732 1183088 268 01:00:02 6292640 7540224 279760 3.44 30692 1422752 530036 5.77 444888 1183604 272 01:10:00 6287408 7544972 274908 3.38 30972 1432404 621524 6.77 461684 1184892 620 01:20:02 6270732 7545508 273984 3.37 31260 1449028 724584 7.89 459948 1201680 256 01:30:02 6260676 7536056 283376 3.48 31480 1449360 724584 7.89 459832 1202240 220 01:40:01 6259956 7535988 283440 3.49 31680 1449808 724720 7.89 460068 1202760 136 01:50:02 6206652 7497992 321112 3.95 32012 1464568 765892 8.34 500016 1216332 304 Average: 6268531 7535634 283975 3.49 31229 1441477 660165 7.19 461595 1196371 297 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:50:02 ens3 10.09 5.56 36.00 1.73 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.55 0.06 0.09 0.03 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 0.67 0.04 13.63 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.75 0.27 3.20 0.07 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 0.26 0.05 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 0.44 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 14.38 6.71 23.93 3.30 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.88 1.83 11.01 0.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13078) 05/13/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.77 0.00 0.52 0.38 0.03 98.30 00:50:02 0 0.93 0.00 0.59 0.49 0.03 97.96 00:50:02 1 0.62 0.00 0.45 0.27 0.03 98.63 01:00:02 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:02 0 0.13 0.00 0.17 0.01 0.04 99.65 01:00:02 1 0.44 0.00 0.17 0.00 0.03 99.36 01:10:00 all 0.32 0.00 0.09 0.02 0.03 99.54 01:10:00 0 0.17 0.00 0.10 0.02 0.03 99.68 01:10:00 1 0.48 0.00 0.08 0.01 0.03 99.41 01:20:02 all 0.35 0.00 0.09 0.01 0.03 99.52 01:20:02 0 0.22 0.00 0.11 0.01 0.03 99.62 01:20:02 1 0.47 0.00 0.07 0.01 0.02 99.43 01:30:02 all 0.29 0.00 0.17 0.01 0.03 99.50 01:30:02 0 0.17 0.00 0.18 0.02 0.03 99.61 01:30:02 1 0.41 0.00 0.16 0.00 0.03 99.40 01:40:01 all 0.23 0.00 0.07 0.01 0.03 99.66 01:40:01 0 0.40 0.00 0.06 0.01 0.02 99.50 01:40:01 1 0.07 0.00 0.08 0.01 0.03 99.82 01:50:02 all 0.49 0.00 0.11 0.01 0.02 99.37 01:50:02 0 0.60 0.00 0.12 0.02 0.02 99.25 01:50:02 1 0.38 0.00 0.09 0.00 0.03 99.49 Average: all 0.39 0.00 0.17 0.06 0.03 99.34 Average: 0 0.37 0.00 0.19 0.08 0.03 99.32 Average: 1 0.41 0.00 0.16 0.04 0.03 99.36