---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1658 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: 5599.94 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 743 5218 4 2273 7198 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:99:f6:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80423sec preferred_lft 80423sec inet6 fe80::f816:3eff:fe99:f637/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1658) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 2.08 0.28 1.78 0.01 33.27 78.67 0.35 02:20:01 1.42 0.01 1.39 0.02 0.07 16.34 1.00 02:30:11 13.98 0.00 1.61 12.37 0.14 19.18 107310.25 02:40:36 1.34 0.00 1.32 0.02 0.00 15.76 1.15 02:50:01 1.36 0.00 1.34 0.02 0.00 16.01 1.16 03:00:00 14.08 1.52 11.61 0.95 112.12 2292.99 499.52 03:10:06 12.33 1.33 9.59 1.41 112.19 1307.11 341.87 03:20:01 1.21 0.00 1.21 0.00 0.00 15.18 0.00 03:30:36 1.51 0.00 1.49 0.01 0.00 18.45 0.21 Average: 5.50 0.35 3.48 1.66 28.63 419.25 12173.53 02:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6246856 7521444 298604 3.67 30716 1449200 519872 5.66 455168 1201068 176 02:20:01 6246104 7521236 298844 3.67 30944 1449496 520160 5.67 455352 1201604 240 02:30:11 6256216 7531980 288028 3.54 31152 1449900 520020 5.66 455384 1202180 224 02:40:36 6245728 7522032 298012 3.66 31360 1450220 524160 5.71 459676 1202716 212 02:50:01 6245488 7522288 297744 3.66 31548 1450520 524292 5.71 459724 1203204 240 03:00:00 5458652 7397096 382652 4.71 71748 2037748 615928 6.71 574508 1814136 54256 03:10:06 5208676 7417692 348808 4.29 87544 2281064 626108 6.82 589276 2044196 252 03:20:01 5207416 7416916 349588 4.30 87672 2281420 626132 6.82 589356 2044680 240 03:30:36 5202148 7412188 354176 4.36 87820 2281800 626132 6.82 589388 2045208 124 Average: 5813032 7473652 324051 3.98 54500 1792374 566978 6.18 514204 1550999 6218 02:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.97 0.24 3.27 0.03 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 0.93 0.07 4.24 0.04 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 6.27 3.87 4.45 3.48 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.29 0.06 0.07 0.04 0.00 0.00 0.00 0.00 03:00:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 41.35 25.92 279.04 9.74 0.00 0.00 0.00 0.00 03:10:06 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:06 ens3 28.12 18.37 39.41 5.24 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 3.05 0.32 0.51 0.16 0.00 0.00 0.00 0.00 03:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:36 ens3 0.82 0.20 0.14 0.06 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.14 5.46 36.62 2.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1658) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:16 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.39 0.00 0.11 0.02 0.02 99.46 02:10:16 0 0.38 0.00 0.08 0.02 0.01 99.51 02:10:16 1 0.40 0.00 0.14 0.02 0.02 99.42 02:20:01 all 0.25 0.00 0.08 0.10 0.02 99.55 02:20:01 0 0.44 0.00 0.06 0.01 0.01 99.48 02:20:01 1 0.07 0.00 0.09 0.20 0.02 99.62 02:30:11 all 0.25 0.00 0.17 0.03 0.01 99.53 02:30:11 0 0.35 0.00 0.16 0.04 0.01 99.43 02:30:11 1 0.15 0.00 0.19 0.02 0.02 99.62 02:40:36 all 0.40 0.00 0.09 0.01 0.02 99.48 02:40:36 0 0.28 0.00 0.10 0.01 0.02 99.59 02:40:36 1 0.53 0.00 0.09 0.01 0.02 99.36 02:50:01 all 0.25 0.00 0.07 0.01 0.02 99.65 02:50:01 0 0.05 0.00 0.09 0.01 0.02 99.83 02:50:01 1 0.46 0.00 0.06 0.00 0.02 99.46 03:00:00 all 6.31 0.00 0.99 0.33 0.04 92.33 03:00:00 0 7.61 0.00 1.03 0.29 0.04 91.04 03:00:00 1 5.01 0.00 0.96 0.38 0.04 93.62 03:10:06 all 6.12 0.00 0.94 0.29 0.05 92.61 03:10:06 0 6.25 0.00 0.99 0.31 0.06 92.39 03:10:06 1 5.99 0.00 0.88 0.27 0.04 92.82 03:20:01 all 0.37 0.00 0.13 0.01 0.04 99.45 03:20:01 0 0.44 0.00 0.11 0.01 0.03 99.40 03:20:01 1 0.29 0.00 0.16 0.01 0.05 99.49 03:30:36 all 0.39 0.00 0.21 0.01 0.03 99.36 03:30:36 0 0.48 0.00 0.15 0.01 0.02 99.34 03:30:36 1 0.29 0.00 0.26 0.01 0.05 99.39 Average: all 1.64 0.00 0.31 0.09 0.03 97.93 Average: 0 1.81 0.00 0.31 0.08 0.02 97.78 Average: 1 1.47 0.00 0.32 0.10 0.03 98.09