---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33089 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: 5600.00 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 740 5228 4 2265 7201 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:34:1e:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82174sec preferred_lft 82174sec inet6 fe80::f816:3eff:fe34:1e00/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33089) 07/05/26 _x86_64_ (2 CPU) 01:47:30 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.59 0.03 1.55 0.01 1.24 18.63 436.03 02:10:01 1.33 0.01 1.32 0.00 0.05 15.78 0.12 02:20:01 1.30 0.00 1.30 0.00 0.01 14.97 0.12 02:30:01 1.46 0.00 1.44 0.01 0.00 17.71 661.54 02:40:01 1.68 0.25 1.42 0.01 30.97 74.07 0.17 02:50:01 1.27 0.01 1.26 0.00 1.05 15.37 0.05 Average: 1.44 0.05 1.38 0.01 5.56 26.09 183.01 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6305700 7552276 268652 3.30 30532 1421720 528456 5.76 438436 1183312 208 02:10:01 6307884 7554972 265948 3.27 30712 1422052 528468 5.76 438396 1183820 148 02:20:01 6306176 7553760 267144 3.28 30880 1422376 528492 5.76 438568 1184308 260 02:30:01 6313656 7561788 259108 3.19 31076 1422708 528636 5.76 438604 1184844 192 02:40:01 6257932 7533184 287212 3.53 31416 1449132 735924 8.02 453140 1202836 184 02:50:01 6272552 7548756 271656 3.34 31576 1449900 529808 5.77 454636 1203332 196 Average: 6293983 7550789 269953 3.32 31032 1431315 563297 6.14 443630 1190409 198 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.29 0.06 0.14 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.59 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.40 0.04 7.46 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.58 0.05 0.82 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.69 0.27 3.24 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.42 0.08 0.10 0.05 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 0.83 0.09 1.97 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33089) 07/05/26 _x86_64_ (2 CPU) 01:47:30 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.18 0.05 0.02 99.45 02:00:01 0 0.30 0.00 0.19 0.08 0.02 99.41 02:00:01 1 0.30 0.00 0.16 0.03 0.01 99.49 02:10:01 all 0.23 0.00 0.08 0.10 0.02 99.57 02:10:01 0 0.39 0.00 0.08 0.14 0.02 99.39 02:10:01 1 0.07 0.00 0.09 0.07 0.02 99.75 02:20:01 all 0.24 0.00 0.08 0.10 0.01 99.57 02:20:01 0 0.23 0.00 0.07 0.04 0.01 99.65 02:20:01 1 0.25 0.00 0.09 0.15 0.02 99.50 02:30:01 all 0.27 0.00 0.17 0.02 0.01 99.53 02:30:01 0 0.08 0.00 0.18 0.01 0.02 99.73 02:30:01 1 0.45 0.00 0.16 0.03 0.01 99.34 02:40:01 all 0.36 0.00 0.11 0.04 0.01 99.47 02:40:01 0 0.30 0.00 0.09 0.01 0.01 99.59 02:40:01 1 0.42 0.00 0.13 0.08 0.02 99.36 02:50:01 all 0.28 0.00 0.08 0.07 0.01 99.56 02:50:01 0 0.25 0.00 0.10 0.03 0.02 99.61 02:50:01 1 0.31 0.00 0.07 0.11 0.01 99.50 Average: all 0.28 0.00 0.12 0.06 0.02 99.53 Average: 0 0.26 0.00 0.12 0.05 0.02 99.56 Average: 1 0.30 0.00 0.12 0.08 0.01 99.49