---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8366 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 787 5165 4 2277 7153 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:6c:c0:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80931sec preferred_lft 80931sec inet6 fe80::f816:3eff:fe6c:c0c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8366) 04/27/26 _x86_64_ (2 CPU) 01:47:36 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.60 0.03 1.56 0.01 1.24 19.17 436.03 02:10:01 1.39 0.01 1.38 0.00 0.05 16.52 0.12 02:20:03 1.34 0.00 1.34 0.00 0.01 15.90 0.12 02:30:03 1.52 0.00 1.50 0.01 0.00 18.59 653.78 02:40:01 1.34 0.00 1.34 0.00 0.00 15.90 0.00 02:50:02 2.33 0.72 1.60 0.01 55.80 105.84 0.25 03:00:03 22.46 2.62 17.56 2.28 211.92 3140.87 590.06 03:10:01 1.53 0.00 1.51 0.02 0.35 69.73 0.17 Average: 4.19 0.42 3.48 0.29 33.73 426.02 210.24 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6288992 7535188 285048 3.51 30576 1421520 527436 5.74 444160 1183308 216 02:10:01 6281180 7527900 292328 3.59 30764 1421852 529764 5.77 444300 1183828 272 02:20:03 6296132 7543364 276856 3.40 30940 1422180 529756 5.77 444348 1184332 188 02:30:03 6292052 7539792 280420 3.45 31112 1422508 529764 5.77 444376 1184832 208 02:40:01 6292052 7540308 279924 3.44 31284 1422844 530012 5.77 445024 1185340 272 02:50:02 6231320 7523636 295864 3.64 31764 1465876 546520 5.95 481888 1215840 316 03:00:03 5256648 7376024 395372 4.86 85048 2198572 670856 7.31 625548 1957772 1752 03:10:01 5234204 7368392 402828 4.95 85220 2213240 728560 7.94 633748 1972480 1224 Average: 6021572 7494326 313580 3.86 44588 1623574 574084 6.25 495424 1383466 556 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.78 0.06 0.10 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 0.41 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.71 0.03 2.36 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.52 0.03 0.97 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 0.46 0.13 0.16 0.09 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 9.40 4.80 22.96 2.98 0.00 0.00 0.00 0.00 03:00:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 59.70 47.18 282.01 9.71 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 46.69 42.32 9.68 5.66 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 14.84 11.82 39.85 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8366) 04/27/26 _x86_64_ (2 CPU) 01:47:36 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.28 0.00 0.18 0.01 0.02 99.51 02:00:03 0 0.48 0.00 0.17 0.02 0.02 99.31 02:00:03 1 0.09 0.00 0.18 0.00 0.03 99.70 02:10:01 all 0.28 0.00 0.08 0.01 0.03 99.60 02:10:01 0 0.11 0.00 0.08 0.01 0.03 99.77 02:10:01 1 0.46 0.00 0.07 0.01 0.02 99.44 02:20:03 all 0.27 0.00 0.07 0.03 0.02 99.61 02:20:03 0 0.05 0.00 0.09 0.03 0.02 99.80 02:20:03 1 0.49 0.00 0.06 0.02 0.02 99.41 02:30:03 all 0.27 0.00 0.17 0.01 0.02 99.52 02:30:03 0 0.08 0.00 0.18 0.01 0.03 99.72 02:30:03 1 0.47 0.00 0.17 0.02 0.02 99.32 02:40:01 all 0.26 0.00 0.08 0.01 0.02 99.64 02:40:01 0 0.10 0.00 0.09 0.01 0.02 99.79 02:40:01 1 0.41 0.00 0.06 0.01 0.02 99.50 02:50:02 all 0.64 0.00 0.13 0.03 0.02 99.19 02:50:02 0 0.67 0.00 0.11 0.02 0.01 99.18 02:50:02 1 0.60 0.00 0.16 0.03 0.02 99.19 03:00:03 all 13.32 0.00 1.94 0.47 0.06 84.21 03:00:03 0 14.61 0.00 1.97 0.51 0.06 82.85 03:00:03 1 12.02 0.00 1.91 0.43 0.06 85.57 03:10:01 all 6.06 0.00 0.57 0.01 0.05 93.31 03:10:01 0 6.34 0.00 0.60 0.01 0.05 93.01 03:10:01 1 5.78 0.00 0.54 0.01 0.06 93.61 Average: all 2.66 0.00 0.40 0.07 0.03 96.84 Average: 0 2.79 0.00 0.41 0.08 0.03 96.69 Average: 1 2.53 0.00 0.39 0.07 0.03 96.98