---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20863 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 743 5229 4 2261 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:e3:3e:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81652sec preferred_lft 81652sec inet6 fe80::f816:3eff:fee3:3e6a/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-20863) 05/28/26 _x86_64_ (2 CPU) 06:46:57 LINUX RESTART (2 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:04 14.43 0.28 1.66 12.49 32.22 76.48 109081.17 07:10:48 1.40 0.03 1.35 0.01 2.05 16.65 0.93 07:20:01 1.17 0.00 1.15 0.02 0.01 14.06 1.19 07:30:24 1.34 0.00 1.31 0.03 0.00 17.15 631.09 07:40:44 1.23 0.00 1.21 0.02 0.00 15.55 1.28 07:50:01 1.39 0.00 1.37 0.02 0.00 16.28 1.16 08:00:44 23.62 2.95 18.52 2.14 215.98 3196.24 560.63 Average: 6.55 0.49 3.95 2.11 37.62 506.49 15672.44 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:04 6251884 7529172 290980 3.58 30836 1451708 717124 7.81 460764 1204744 224 07:10:48 6257728 7536216 283928 3.49 31060 1452676 717188 7.81 460972 1205376 124 07:20:01 6275160 7554164 266000 3.27 31244 1453000 717392 7.81 461028 1205884 288 07:30:24 6258412 7537988 282104 3.47 31464 1453328 717960 7.82 462216 1206424 208 07:40:44 6257404 7537668 282424 3.47 31676 1453788 717992 7.82 462444 1206976 148 07:50:01 6257404 7538184 281904 3.47 31864 1454112 718000 7.82 462552 1207488 284 08:00:44 5212840 7410704 357092 4.39 87288 2271192 815516 8.88 591084 2034540 244 Average: 6110119 7520585 292062 3.59 39347 1569972 731596 7.97 480151 1324490 217 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:00:04 ens3 1.95 0.28 3.32 0.07 0.00 0.00 0.00 0.00 07:10:48 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 07:10:48 ens3 0.81 0.18 0.22 0.13 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.42 0.07 0.27 0.04 0.00 0.00 0.00 0.00 07:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:24 ens3 0.63 0.21 0.27 0.60 0.00 0.00 0.00 0.00 07:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:44 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.24 0.06 0.07 0.04 0.00 0.00 0.00 0.00 08:00:44 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 08:00:44 ens3 41.71 28.53 291.12 7.40 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.94 4.44 44.72 1.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20863) 05/28/26 _x86_64_ (2 CPU) 06:46:57 LINUX RESTART (2 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:04 all 0.44 0.00 0.21 0.26 0.03 99.06 07:00:04 0 0.42 0.00 0.24 0.34 0.03 98.97 07:00:04 1 0.47 0.00 0.18 0.17 0.02 99.15 07:10:48 all 0.34 0.00 0.09 0.02 0.03 99.52 07:10:48 0 0.33 0.00 0.09 0.01 0.03 99.53 07:10:48 1 0.34 0.00 0.09 0.02 0.03 99.51 07:20:01 all 0.27 0.00 0.08 0.01 0.02 99.62 07:20:01 0 0.48 0.00 0.06 0.01 0.01 99.44 07:20:01 1 0.05 0.00 0.10 0.01 0.02 99.81 07:30:24 all 0.26 0.00 0.17 0.02 0.02 99.54 07:30:24 0 0.44 0.00 0.15 0.03 0.02 99.36 07:30:24 1 0.08 0.00 0.18 0.00 0.02 99.72 07:40:44 all 0.22 0.00 0.07 0.01 0.02 99.68 07:40:44 0 0.38 0.00 0.06 0.02 0.01 99.53 07:40:44 1 0.05 0.00 0.09 0.00 0.03 99.83 07:50:01 all 0.21 0.00 0.07 0.01 0.02 99.68 07:50:01 0 0.05 0.00 0.08 0.01 0.02 99.84 07:50:01 1 0.38 0.00 0.07 0.01 0.02 99.53 08:00:44 all 11.23 0.00 1.70 0.74 0.05 86.28 08:00:44 0 11.32 0.00 1.76 0.96 0.05 85.92 08:00:44 1 11.14 0.00 1.65 0.51 0.06 86.63 Average: all 1.95 0.00 0.36 0.16 0.03 97.51 Average: 0 2.01 0.00 0.36 0.21 0.03 97.39 Average: 1 1.88 0.00 0.35 0.11 0.03 97.63