---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11852 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 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 776 5179 4 2275 7165 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:55:2a:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81170sec preferred_lft 81170sec inet6 fe80::f816:3eff:fe55:2ae7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11852) 05/08/26 _x86_64_ (2 CPU) 00:36:28 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.45 0.03 1.41 0.01 1.24 17.03 0.72 01:00:08 2.23 0.28 1.90 0.04 32.80 78.44 862.91 01:10:03 1.41 0.01 1.39 0.02 1.06 16.70 1.02 01:20:01 1.35 0.00 1.34 0.00 0.01 16.17 0.00 01:30:08 1.51 0.00 1.50 0.01 0.00 19.03 646.39 01:40:03 1.18 0.00 1.18 0.00 0.00 14.76 0.00 01:50:02 1.62 0.40 1.22 0.00 15.83 46.47 0.00 02:00:03 22.20 2.78 17.19 2.23 215.83 3252.22 989.60 Average: 4.13 0.44 3.40 0.29 33.46 433.74 315.00 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6281860 7527996 292460 3.60 30576 1421504 522968 5.70 445416 1183192 160 01:00:08 6247736 7521280 298612 3.67 30992 1448096 717468 7.81 460716 1200876 176 01:10:03 6261208 7535604 284368 3.50 31200 1448732 523204 5.70 456012 1201408 184 01:20:01 6258860 7533752 286176 3.52 31364 1449060 523324 5.70 456584 1201900 240 01:30:08 6257940 7533348 286556 3.52 31532 1449392 523388 5.70 456520 1202400 180 01:40:03 6257940 7533964 285936 3.52 31684 1449848 523396 5.70 456616 1202880 208 01:50:02 6222572 7513776 305852 3.76 31964 1464528 563464 6.14 495916 1216324 220 02:00:03 5188360 7351464 401244 4.93 85780 2239508 675172 7.35 638264 2001040 264 Average: 6122060 7506398 305150 3.75 38136 1546334 571548 6.23 483256 1301252 204 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.15 0.09 0.16 0.05 0.00 0.00 0.00 0.00 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.70 0.27 3.13 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.44 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.55 0.26 0.11 0.52 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.41 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 9.22 6.15 23.72 2.78 0.00 0.00 0.00 0.00 02:00:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:03 ens3 68.93 54.49 308.24 12.64 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 10.23 7.70 42.05 2.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11852) 05/08/26 _x86_64_ (2 CPU) 00:36:28 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.23 0.00 0.09 0.05 0.03 99.60 00:50:01 0 0.39 0.00 0.07 0.03 0.02 99.49 00:50:01 1 0.07 0.00 0.11 0.07 0.03 99.72 01:00:08 all 0.43 0.00 0.22 0.02 0.03 99.30 01:00:08 0 0.54 0.00 0.24 0.03 0.02 99.17 01:00:08 1 0.32 0.00 0.20 0.02 0.03 99.43 01:10:03 all 0.25 0.00 0.08 0.01 0.03 99.63 01:10:03 0 0.42 0.00 0.07 0.02 0.02 99.47 01:10:03 1 0.08 0.00 0.09 0.01 0.03 99.78 01:20:01 all 0.32 0.00 0.08 0.01 0.03 99.56 01:20:01 0 0.17 0.00 0.09 0.02 0.04 99.69 01:20:01 1 0.47 0.00 0.07 0.01 0.03 99.43 01:30:08 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:08 0 0.15 0.00 0.17 0.01 0.03 99.63 01:30:08 1 0.39 0.00 0.16 0.01 0.02 99.42 01:40:03 all 0.20 0.00 0.07 0.01 0.02 99.69 01:40:03 0 0.35 0.00 0.06 0.02 0.02 99.55 01:40:03 1 0.05 0.00 0.08 0.00 0.03 99.84 01:50:02 all 0.52 0.00 0.10 0.02 0.03 99.34 01:50:02 0 0.48 0.00 0.08 0.02 0.02 99.40 01:50:02 1 0.56 0.00 0.13 0.01 0.03 99.27 02:00:03 all 15.74 0.00 1.87 0.51 0.06 81.82 02:00:03 0 13.22 0.00 1.91 0.31 0.07 84.49 02:00:03 1 18.27 0.00 1.82 0.70 0.06 79.15 Average: all 2.25 0.00 0.34 0.08 0.03 97.30 Average: 0 1.97 0.00 0.34 0.06 0.03 97.61 Average: 1 2.53 0.00 0.33 0.10 0.03 97.00