---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1630 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 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 791 5164 4 2279 7150 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:bf:c3:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81008sec preferred_lft 81008sec inet6 fe80::f816:3eff:febf:c3b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1630) 08/03/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:20 1.32 0.01 1.30 0.02 0.05 16.81 871.92 01:10:01 1.19 0.00 1.19 0.00 0.00 14.10 0.00 01:20:20 1.20 0.00 1.19 0.00 0.01 14.15 0.12 01:30:20 1.31 0.00 1.30 0.01 0.00 16.47 653.79 01:40:01 1.18 0.00 1.18 0.00 0.00 14.23 0.00 01:50:13 13.93 1.72 11.28 0.93 140.92 1927.34 554.66 02:00:10 25.80 1.36 9.45 14.99 114.75 1650.33 107417.14 02:10:01 1.24 0.00 1.22 0.02 0.00 20.41 1.18 Average: 5.93 0.39 3.54 2.00 32.38 464.83 13675.49 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:20 6296480 7543716 276884 3.40 30664 1422456 523332 5.70 438332 1183764 228 01:10:01 6288164 7535916 284688 3.50 30832 1422788 527116 5.74 439644 1184272 156 01:20:20 6291828 7540084 280512 3.45 31008 1423112 527264 5.74 440984 1184772 164 01:30:20 6292664 7541432 279156 3.43 31180 1423440 527328 5.74 440920 1185272 188 01:40:01 6298992 7548272 272304 3.35 31352 1423772 527436 5.74 441504 1185776 288 01:50:13 5426828 7364808 415408 5.11 71740 2037604 643464 7.01 594196 1814424 144756 02:00:10 5131524 7341364 425232 5.23 87492 2282068 662904 7.22 625124 2045420 180 02:10:01 5115620 7327492 439108 5.40 87636 2283972 671560 7.31 625104 2047468 228 Average: 5892762 7467886 334162 4.11 50238 1714902 576300 6.28 505726 1478896 18274 00:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 0.54 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.41 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.61 0.14 3.62 0.08 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.52 0.06 0.65 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 0.72 0.19 0.14 0.52 0.00 0.00 0.00 0.00 01:50:13 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:50:13 ens3 39.67 24.39 275.78 5.79 0.00 0.00 0.00 0.00 02:00:10 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:00:10 ens3 33.92 23.32 52.41 5.81 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 12.86 11.85 108.88 1.08 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.25 7.56 55.90 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1630) 08/03/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:20 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:20 0 0.16 0.00 0.19 0.01 0.02 99.62 01:00:20 1 0.41 0.00 0.14 0.01 0.02 99.43 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.32 0.00 0.07 0.02 0.02 99.57 01:10:01 1 0.24 0.00 0.09 0.01 0.02 99.65 01:20:20 all 0.28 0.00 0.07 0.02 0.02 99.61 01:20:20 0 0.21 0.00 0.08 0.02 0.02 99.67 01:20:20 1 0.36 0.00 0.06 0.01 0.02 99.55 01:30:20 all 0.27 0.00 0.17 0.01 0.02 99.54 01:30:20 0 0.24 0.00 0.16 0.01 0.02 99.58 01:30:20 1 0.31 0.00 0.18 0.00 0.02 99.49 01:40:01 all 0.25 0.00 0.08 0.01 0.01 99.65 01:40:01 0 0.25 0.00 0.07 0.01 0.01 99.65 01:40:01 1 0.26 0.00 0.08 0.00 0.02 99.64 01:50:13 all 6.94 0.00 0.97 0.33 0.03 91.73 01:50:13 0 5.78 0.00 0.89 0.36 0.03 92.93 01:50:13 1 8.09 0.00 1.06 0.29 0.03 90.53 02:00:10 all 7.27 0.00 1.18 0.26 0.05 91.24 02:00:10 0 8.34 0.00 1.29 0.41 0.05 89.92 02:00:10 1 6.21 0.00 1.07 0.11 0.04 92.57 02:10:01 all 0.93 0.00 0.21 0.00 0.26 98.60 02:10:01 0 0.81 0.00 0.15 0.00 0.23 98.80 02:10:01 1 1.04 0.00 0.27 0.01 0.28 98.40 Average: all 2.08 0.00 0.37 0.08 0.05 97.42 Average: 0 2.03 0.00 0.36 0.11 0.05 97.45 Average: 1 2.13 0.00 0.37 0.06 0.05 97.38