---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37679 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 742 5150 4 2350 7199 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:b4:b0:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80390sec preferred_lft 80390sec inet6 fe80::f816:3eff:feb4:b06d/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-37679) 07/22/26 _x86_64_ (2 CPU) 01:58:21 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.31 0.03 1.28 0.00 1.24 15.46 0.12 02:20:09 1.30 0.01 1.28 0.01 0.07 15.06 0.72 02:30:10 1.44 0.00 1.41 0.03 0.00 17.32 654.79 02:40:10 1.20 0.00 1.19 0.02 0.00 14.37 1.20 02:50:10 16.10 13.79 2.24 0.08 182.07 105.07 7.75 03:00:10 14.08 0.01 1.46 12.62 1.20 17.89 109025.01 03:10:03 26.35 2.87 21.08 2.40 227.27 3668.35 609.16 03:20:11 1.45 0.00 1.44 0.01 0.00 18.27 0.14 03:30:11 1.45 0.00 1.44 0.02 0.00 18.00 5.23 Average: 7.15 1.85 3.62 1.68 45.45 427.25 12263.92 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6291956 7543392 277000 3.41 30628 1426428 533032 5.81 443296 1187484 120 02:20:09 6298772 7550744 269676 3.32 30832 1426752 533032 5.81 443476 1188016 124 02:30:10 6289596 7542116 278244 3.42 31040 1427080 533032 5.81 443516 1188540 176 02:40:10 6289596 7542664 277732 3.42 31248 1427404 533032 5.81 443924 1189084 188 02:50:10 6170352 7507356 303420 3.73 35612 1498264 733352 7.99 460844 1254936 124 03:00:10 6179048 7517092 293604 3.61 35808 1499076 533556 5.81 456660 1255476 188 03:10:03 5136508 7414764 342380 4.21 91216 2338100 624000 6.80 581204 2104488 244 03:20:11 5132524 7411312 345728 4.25 91388 2338456 624000 6.80 581336 2105016 176 03:30:11 5130136 7409392 347520 4.27 91500 2338808 624000 6.80 581396 2105480 180 Average: 5879832 7493204 303923 3.74 52141 1746708 585671 6.38 492850 1508724 169 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 1.63 0.07 0.30 0.02 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.33 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.45 0.11 0.12 0.06 0.00 0.00 0.00 0.00 02:50:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.52 0.26 3.25 0.05 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.43 0.22 0.14 0.47 0.00 0.00 0.00 0.00 03:10:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:03 ens3 69.47 47.04 329.80 11.48 0.00 0.00 0.00 0.00 03:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:11 ens3 1.51 0.23 0.20 0.03 0.00 0.00 0.00 0.00 03:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:11 ens3 0.49 0.25 0.13 0.07 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 8.26 5.30 36.67 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37679) 07/22/26 _x86_64_ (2 CPU) 01:58:21 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.26 0.00 0.08 0.01 0.04 99.61 02:10:10 0 0.45 0.00 0.06 0.01 0.04 99.45 02:10:10 1 0.08 0.00 0.09 0.01 0.04 99.78 02:20:09 all 0.24 0.00 0.07 0.01 0.04 99.65 02:20:09 0 0.42 0.00 0.04 0.00 0.03 99.51 02:20:09 1 0.06 0.00 0.09 0.02 0.05 99.78 02:30:10 all 0.29 0.00 0.15 0.01 0.04 99.52 02:30:10 0 0.29 0.00 0.12 0.01 0.04 99.54 02:30:10 1 0.28 0.00 0.17 0.02 0.04 99.49 02:40:10 all 0.27 0.00 0.07 0.01 0.04 99.62 02:40:10 0 0.27 0.00 0.06 0.01 0.04 99.62 02:40:10 1 0.26 0.00 0.08 0.01 0.04 99.62 02:50:10 all 0.36 0.26 0.19 0.97 0.04 98.19 02:50:10 0 0.25 0.48 0.25 1.78 0.04 97.20 02:50:10 1 0.48 0.03 0.13 0.15 0.04 99.18 03:00:10 all 0.24 0.00 0.18 0.04 0.03 99.51 03:00:10 0 0.38 0.00 0.17 0.02 0.03 99.40 03:00:10 1 0.10 0.00 0.19 0.06 0.04 99.62 03:10:03 all 12.08 0.00 1.80 0.79 0.07 85.27 03:10:03 0 11.53 0.00 1.81 0.58 0.08 86.01 03:10:03 1 12.62 0.00 1.79 1.00 0.06 84.53 03:20:11 all 0.42 0.00 0.13 0.04 0.06 99.34 03:20:11 0 0.46 0.00 0.10 0.04 0.05 99.35 03:20:11 1 0.38 0.00 0.17 0.05 0.07 99.33 03:30:11 all 0.40 0.00 0.21 0.01 0.08 99.31 03:30:11 0 0.49 0.00 0.14 0.01 0.04 99.32 03:30:11 1 0.31 0.00 0.28 0.01 0.11 99.29 Average: all 1.60 0.03 0.32 0.21 0.05 97.80 Average: 0 1.60 0.05 0.30 0.27 0.04 97.73 Average: 1 1.60 0.00 0.33 0.14 0.05 97.87