---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10216 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 774 5183 4 2272 7167 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:e9:79:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81362sec preferred_lft 81362sec inet6 fe80::f816:3eff:fee9:79d0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10216) 05/02/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:33 17.59 3.18 2.47 11.94 396.77 161.54 103651.02 01:00:15 1.46 0.01 1.43 0.02 1.14 18.20 0.87 01:10:34 1.28 0.00 1.28 0.00 0.00 16.29 0.10 01:20:34 1.29 0.00 1.29 0.00 0.01 15.98 0.05 01:30:15 1.41 0.00 1.40 0.02 0.00 17.65 0.39 01:40:01 1.16 0.00 1.16 0.00 0.00 14.82 0.00 01:50:25 1.47 0.25 1.22 0.00 8.48 31.24 0.00 02:00:33 22.06 2.74 17.09 2.22 217.20 3248.21 939.10 Average: 6.08 0.80 3.44 1.85 80.54 444.17 13694.40 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:33 6250528 7523124 296588 3.65 30672 1447260 727156 7.92 464388 1200012 152 01:00:15 6242944 7516412 303320 3.73 30872 1447904 532800 5.80 459344 1200552 132 01:10:34 6250504 7524492 295252 3.63 31072 1448228 588168 6.41 464696 1201064 152 01:20:34 6275060 7549564 270208 3.32 31232 1448560 533072 5.81 459804 1201568 132 01:30:15 6261728 7536724 283044 3.48 31388 1448888 533080 5.81 459616 1202052 240 01:40:01 6259712 7535284 284440 3.50 31532 1449340 535100 5.83 462256 1202492 176 01:50:25 6258424 7542340 277304 3.41 31732 1457372 540604 5.89 468908 1209924 136 02:00:33 5189324 7350136 402692 4.95 84972 2237888 689468 7.51 639640 1998760 276 Average: 6123528 7509760 301606 3.71 37934 1548180 584931 6.37 484832 1302053 174 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:33 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:33 ens3 15.81 7.14 36.86 1.74 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:34 ens3 0.40 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:34 ens3 0.53 0.12 0.16 0.09 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.26 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.51 0.20 0.11 0.64 0.00 0.00 0.00 0.00 01:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:25 ens3 4.56 1.99 9.71 0.70 0.00 0.00 0.00 0.00 02:00:33 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 02:00:33 ens3 80.59 58.88 318.58 14.38 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 13.08 8.66 46.24 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10216) 05/02/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:33 all 0.80 0.00 0.32 0.23 0.03 98.62 00:50:33 0 0.95 0.00 0.33 0.08 0.03 98.61 00:50:33 1 0.65 0.00 0.31 0.38 0.03 98.63 01:00:15 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:15 0 0.27 0.00 0.19 0.01 0.03 99.50 01:00:15 1 0.31 0.00 0.16 0.01 0.03 99.50 01:10:34 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:34 0 0.06 0.00 0.10 0.01 0.03 99.80 01:10:34 1 0.50 0.00 0.05 0.01 0.02 99.42 01:20:34 all 0.27 0.00 0.09 0.01 0.03 99.60 01:20:34 0 0.16 0.00 0.10 0.01 0.04 99.70 01:20:34 1 0.37 0.00 0.07 0.02 0.03 99.51 01:30:15 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:15 0 0.24 0.00 0.17 0.00 0.04 99.55 01:30:15 1 0.29 0.00 0.16 0.02 0.03 99.50 01:40:01 all 0.30 0.00 0.07 0.02 0.03 99.58 01:40:01 0 0.51 0.00 0.06 0.03 0.03 99.37 01:40:01 1 0.08 0.00 0.08 0.00 0.04 99.79 01:50:25 all 0.33 0.00 0.07 0.01 0.03 99.56 01:50:25 0 0.21 0.00 0.08 0.02 0.04 99.65 01:50:25 1 0.44 0.00 0.06 0.00 0.03 99.47 02:00:33 all 15.86 0.00 1.86 0.49 0.07 81.72 02:00:33 0 15.58 0.00 1.86 0.66 0.07 81.82 02:00:33 1 16.15 0.00 1.86 0.32 0.07 81.61 Average: all 2.31 0.00 0.35 0.10 0.04 97.20 Average: 0 2.26 0.00 0.36 0.10 0.04 97.23 Average: 1 2.36 0.00 0.35 0.10 0.03 97.16