---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2216 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 797 5155 4 2277 7144 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:80:21:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80170sec preferred_lft 80170sec inet6 fe80::f816:3eff:fe80:214a/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-2216) 04/12/26 _x86_64_ (2 CPU) 01:45:36 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.72 0.02 1.67 0.02 1.21 19.84 641.04 02:10:01 1.37 0.01 1.35 0.02 0.05 15.79 1.11 02:20:01 1.32 0.00 1.30 0.02 0.01 15.49 1.32 02:30:04 14.73 0.32 1.91 12.50 39.97 76.66 109170.54 02:40:01 1.37 0.00 1.36 0.02 0.00 16.16 1.33 02:50:01 1.34 0.00 1.33 0.01 0.00 15.61 0.96 03:00:14 1.58 0.00 1.57 0.01 0.00 19.16 0.37 03:10:04 23.73 3.09 18.38 2.26 232.13 3217.49 646.10 03:20:01 1.44 0.00 1.43 0.01 0.35 64.38 0.05 Average: 5.37 0.38 3.34 1.66 30.01 378.61 12347.08 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6294052 7541312 278764 3.43 30620 1422508 528452 5.76 444896 1183148 132 02:10:01 6297692 7545500 274572 3.38 30832 1422840 528484 5.76 445084 1183692 160 02:20:01 6303532 7551884 268116 3.30 31048 1423164 528636 5.76 445064 1184232 132 02:30:04 6240600 7518172 301156 3.70 31452 1451576 528636 5.76 456744 1201644 192 02:40:01 6247964 7526192 293140 3.60 31668 1452020 528732 5.76 457000 1202188 124 02:50:01 6255312 7534084 285244 3.51 31868 1452356 528732 5.76 456972 1202712 124 03:00:14 6252576 7531872 287440 3.53 32068 1452680 528732 5.76 457692 1203228 184 03:10:04 5263936 7379696 391608 4.82 85404 2194752 662368 7.21 622432 1953084 340 03:20:01 5246976 7377716 393544 4.84 85552 2209612 674352 7.35 626856 1967952 1172 Average: 6044738 7500714 308176 3.79 43390 1609056 559680 6.10 490304 1364653 284 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 0.94 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.96 0.03 7.80 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 0.41 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.53 0.18 3.07 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.48 0.07 0.12 0.06 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 0.25 0.02 0.04 0.01 0.00 0.00 0.00 0.00 03:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:14 ens3 0.41 0.12 0.13 0.07 0.00 0.00 0.00 0.00 03:10:04 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:10:04 ens3 68.95 47.32 306.00 12.48 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 42.75 38.16 9.47 5.24 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 12.70 9.45 35.72 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2216) 04/12/26 _x86_64_ (2 CPU) 01:45:36 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.26 0.00 0.16 0.01 0.04 99.53 02:00:14 0 0.15 0.00 0.16 0.02 0.05 99.62 02:00:14 1 0.37 0.00 0.16 0.01 0.04 99.43 02:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 02:10:01 0 0.06 0.00 0.09 0.00 0.05 99.79 02:10:01 1 0.43 0.00 0.05 0.02 0.03 99.47 02:20:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:20:01 0 0.09 0.00 0.09 0.01 0.05 99.76 02:20:01 1 0.37 0.00 0.06 0.01 0.04 99.53 02:30:04 all 0.35 0.00 0.22 0.05 0.04 99.34 02:30:04 0 0.17 0.00 0.20 0.06 0.04 99.53 02:30:04 1 0.54 0.00 0.24 0.03 0.04 99.16 02:40:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:40:01 0 0.28 0.00 0.07 0.02 0.03 99.60 02:40:01 1 0.19 0.00 0.08 0.00 0.04 99.69 02:50:01 all 0.27 0.00 0.08 0.01 0.04 99.60 02:50:01 0 0.07 0.00 0.09 0.02 0.04 99.79 02:50:01 1 0.47 0.00 0.08 0.00 0.04 99.41 03:00:14 all 0.27 0.00 0.17 0.01 0.04 99.51 03:00:14 0 0.42 0.00 0.15 0.01 0.03 99.40 03:00:14 1 0.12 0.00 0.20 0.01 0.05 99.63 03:10:04 all 13.47 0.00 1.82 0.55 0.07 84.09 03:10:04 0 15.33 0.00 1.77 0.39 0.07 82.44 03:10:04 1 11.61 0.00 1.87 0.72 0.07 85.74 03:20:01 all 6.28 0.00 0.48 0.01 0.07 93.15 03:20:01 0 4.53 0.00 0.42 0.01 0.07 94.97 03:20:01 1 8.04 0.00 0.55 0.01 0.07 91.33 Average: all 2.36 0.00 0.35 0.07 0.05 97.17 Average: 0 2.31 0.00 0.33 0.06 0.05 97.25 Average: 1 2.42 0.00 0.36 0.09 0.04 97.09