---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10574 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 792 5163 4 2275 7149 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:08:b3:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81183sec preferred_lft 81183sec inet6 fe80::f816:3eff:fe08:b36d/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-10574) 05/03/26 _x86_64_ (2 CPU) 01:57:04 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.28 0.02 1.25 0.00 1.23 15.35 0.12 02:20:01 1.25 0.01 1.23 0.01 0.07 15.17 0.97 02:30:01 1.35 0.00 1.32 0.03 0.00 16.74 654.74 02:40:05 1.09 0.00 1.07 0.02 0.00 13.84 1.19 02:50:01 23.62 3.30 18.08 2.24 262.16 3254.27 544.63 03:00:01 15.13 0.00 1.64 13.49 0.15 43.23 106696.25 03:10:05 1.32 0.00 1.31 0.00 0.34 43.51 0.28 03:20:01 1.35 0.00 1.35 0.00 0.00 53.48 0.28 Average: 5.78 0.41 3.39 1.97 32.73 428.74 13489.43 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6280300 7532556 287696 3.54 30624 1427488 523308 5.70 446332 1187208 184 02:20:01 6279808 7532612 287636 3.54 30836 1427820 523316 5.70 446264 1187752 240 02:30:01 6283400 7536744 283504 3.49 31036 1428140 523312 5.70 446384 1188272 240 02:40:05 6283400 7537280 282964 3.48 31236 1428468 523540 5.70 447208 1188800 208 02:50:01 5274468 7402168 369128 4.54 84992 2206832 632432 6.89 603376 1966160 428 03:00:01 5262348 7396924 374260 4.60 85164 2213532 642028 6.99 604828 1973004 348 03:10:05 5261636 7404732 366472 4.51 85292 2221932 643372 7.01 606076 1981420 328 03:20:01 5249436 7404284 366900 4.51 85416 2233552 644504 7.02 606664 1993172 896 Average: 5771850 7468412 327320 4.02 58074 1823470 581976 6.34 525892 1583224 359 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.20 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.52 0.03 0.09 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.36 0.02 0.06 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.56 0.12 0.15 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 77.04 54.63 312.93 12.70 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 23.96 20.20 4.33 2.45 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 21.82 20.56 4.32 2.96 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 31.32 29.80 5.80 4.03 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 19.51 15.61 40.66 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10574) 05/03/26 _x86_64_ (2 CPU) 01:57:04 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.25 0.00 0.08 0.06 0.03 99.58 02:10:05 0 0.16 0.00 0.10 0.06 0.03 99.66 02:10:05 1 0.33 0.00 0.06 0.06 0.03 99.51 02:20:01 all 0.27 0.00 0.08 0.03 0.03 99.59 02:20:01 0 0.17 0.00 0.08 0.02 0.03 99.70 02:20:01 1 0.38 0.00 0.07 0.04 0.03 99.49 02:30:01 all 0.28 0.00 0.17 0.06 0.04 99.46 02:30:01 0 0.20 0.00 0.18 0.12 0.04 99.47 02:30:01 1 0.36 0.00 0.16 0.01 0.04 99.45 02:40:05 all 0.27 0.00 0.07 0.09 0.03 99.55 02:40:05 0 0.06 0.00 0.07 0.03 0.03 99.81 02:40:05 1 0.47 0.00 0.07 0.14 0.03 99.28 02:50:01 all 13.12 0.00 1.89 2.32 0.06 82.60 02:50:01 0 14.36 0.00 1.95 2.89 0.06 80.75 02:50:01 1 11.89 0.00 1.84 1.77 0.07 84.44 03:00:01 all 3.25 0.00 0.37 0.08 0.07 96.23 03:00:01 0 1.87 0.00 0.34 0.11 0.06 97.61 03:00:01 1 4.63 0.00 0.40 0.06 0.07 94.85 03:10:05 all 3.81 0.00 0.34 0.19 0.06 95.59 03:10:05 0 4.68 0.00 0.39 0.31 0.07 94.56 03:10:05 1 2.95 0.00 0.30 0.07 0.06 96.62 03:20:01 all 4.15 0.00 0.34 0.03 0.07 95.42 03:20:01 0 2.92 0.00 0.32 0.02 0.06 96.68 03:20:01 1 5.38 0.00 0.35 0.03 0.07 94.17 Average: all 3.15 0.00 0.41 0.35 0.05 96.03 Average: 0 3.03 0.00 0.43 0.44 0.05 96.06 Average: 1 3.28 0.00 0.40 0.27 0.05 96.00