---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12643 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 22% / 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 802 5149 4 2279 7139 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:cc:36:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80942sec preferred_lft 80942sec inet6 fe80::f816:3eff:fecc:36ab/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-12643) 05/11/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.33 0.03 1.30 0.00 1.28 15.84 0.12 02:20:49 1.23 0.01 1.21 0.01 0.06 14.98 0.78 02:30:19 1.47 0.00 1.43 0.04 0.00 18.36 1148.14 02:40:01 14.37 0.00 1.42 12.95 0.15 16.55 112657.70 02:50:49 1.35 0.00 1.33 0.02 0.00 15.98 1.22 03:00:19 2.16 0.26 1.85 0.04 32.60 80.29 689.19 03:10:01 24.43 3.11 18.99 2.33 236.25 3460.80 1780.21 03:20:29 1.43 0.00 1.39 0.04 0.33 69.95 0.94 Average: 5.82 0.41 3.54 1.87 32.67 447.56 14053.15 02:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6292084 7538232 282104 3.47 30536 1421508 528108 5.75 444720 1183092 124 02:20:49 6290116 7536876 283416 3.48 30776 1421868 529184 5.76 445052 1183692 124 02:30:19 6283824 7531120 289148 3.56 30980 1422196 529184 5.76 445096 1184216 228 02:40:01 6298512 7546352 273900 3.37 31172 1422532 529404 5.77 445192 1184724 124 02:50:49 6298008 7546460 273784 3.37 31412 1422900 529404 5.77 445604 1185332 164 03:00:19 6250600 7525848 293816 3.61 31780 1448964 723876 7.88 460472 1202872 160 03:10:01 5283208 7405300 365896 4.50 85172 2201108 634468 6.91 595932 1962508 532 03:20:29 5265212 7404384 366832 4.51 85368 2217960 645336 7.03 598448 1979484 968 Average: 6032696 7504322 303612 3.73 44650 1622380 581120 6.33 485064 1383240 303 02:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.77 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:49 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:49 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.26 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.04 0.08 0.03 0.00 0.00 0.00 0.00 02:50:49 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:49 ens3 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:19 ens3 0.65 0.29 3.38 0.10 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 78.05 54.70 314.49 13.02 0.00 0.00 0.00 0.00 03:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:29 ens3 46.99 43.05 10.59 5.71 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 15.90 12.30 39.87 2.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12643) 05/11/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:19 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.29 0.00 0.08 0.01 0.02 99.60 02:10:02 0 0.06 0.00 0.10 0.02 0.03 99.79 02:10:02 1 0.52 0.00 0.05 0.00 0.02 99.40 02:20:49 all 0.29 0.00 0.07 0.01 0.02 99.60 02:20:49 0 0.35 0.00 0.07 0.02 0.02 99.54 02:20:49 1 0.23 0.00 0.07 0.00 0.02 99.67 02:30:19 all 0.29 0.00 0.17 0.01 0.02 99.50 02:30:19 0 0.38 0.00 0.17 0.01 0.02 99.41 02:30:19 1 0.20 0.00 0.18 0.02 0.02 99.58 02:40:01 all 0.29 0.00 0.08 0.03 0.02 99.58 02:40:01 0 0.12 0.00 0.11 0.06 0.03 99.69 02:40:01 1 0.45 0.00 0.06 0.01 0.02 99.47 02:50:49 all 0.29 0.00 0.07 0.01 0.02 99.60 02:50:49 0 0.16 0.00 0.09 0.01 0.02 99.72 02:50:49 1 0.42 0.00 0.06 0.01 0.02 99.48 03:00:19 all 0.40 0.00 0.20 0.02 0.03 99.35 03:00:19 0 0.47 0.00 0.15 0.01 0.02 99.34 03:00:19 1 0.33 0.00 0.24 0.03 0.03 99.37 03:10:01 all 13.28 0.00 1.86 1.72 0.07 83.07 03:10:01 0 12.61 0.00 1.72 0.78 0.06 84.82 03:10:01 1 13.94 0.00 2.00 2.66 0.07 81.32 03:20:29 all 6.14 0.00 0.52 0.01 0.07 93.26 03:20:29 0 6.21 0.00 0.54 0.01 0.07 93.17 03:20:29 1 6.07 0.00 0.49 0.02 0.07 93.35 Average: all 2.63 0.00 0.37 0.22 0.03 96.74 Average: 0 2.51 0.00 0.36 0.11 0.03 96.98 Average: 1 2.74 0.00 0.38 0.33 0.04 96.51