---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16628 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 753 5206 4 2271 7188 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:eb:43:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81298sec preferred_lft 81298sec inet6 fe80::f816:3eff:feeb:4331/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16628) 05/19/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.54 0.01 1.63 12.90 0.21 19.40 112805.22 01:10:23 1.27 0.00 1.25 0.02 0.00 15.07 1.17 01:20:23 1.86 0.26 1.57 0.03 32.04 74.76 1.43 01:30:01 1.29 0.00 1.26 0.03 0.00 16.13 452.87 01:40:23 3.74 1.31 2.36 0.08 94.88 245.07 4.83 01:50:23 19.86 1.66 16.01 2.19 129.80 2970.49 586.04 02:00:01 1.55 0.00 1.53 0.02 0.36 70.22 0.51 Average: 6.28 0.47 3.67 2.14 37.39 490.10 15872.79 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6316048 7562828 257736 3.17 30692 1421772 527720 5.75 438736 1183564 128 01:10:23 6317648 7564972 255588 3.14 30908 1422096 527812 5.75 438828 1184104 140 01:20:23 6259032 7533396 286704 3.53 31300 1448400 527904 5.75 446724 1201712 192 01:30:01 6267796 7542740 277304 3.41 31504 1448732 528040 5.75 447052 1202260 272 01:40:23 5960472 7396608 414276 5.09 44172 1589380 634932 6.92 590092 1342616 70860 01:50:23 5285508 7412044 359636 4.42 85136 2205372 642996 7.00 600296 1966840 384 02:00:01 5261900 7403932 367604 4.52 85308 2220688 645376 7.03 602728 1982204 1136 Average: 5952629 7488074 316978 3.90 48431 1679491 576397 6.28 509208 1437614 10445 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.53 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.62 0.05 12.04 0.03 0.00 0.00 0.00 0.00 01:20:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.97 0.31 3.79 0.12 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.35 0.16 0.07 0.63 0.00 0.00 0.00 0.00 01:40:23 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:23 ens3 23.47 12.10 87.23 4.27 0.00 0.00 0.00 0.00 01:50:23 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:50:23 ens3 64.07 46.31 218.60 8.73 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 46.98 43.99 10.37 5.79 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 19.52 14.60 48.10 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16628) 05/19/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.18 0.03 0.02 99.50 01:00:01 0 0.44 0.00 0.16 0.01 0.02 99.37 01:00:01 1 0.08 0.00 0.19 0.06 0.02 99.64 01:10:23 all 0.26 0.00 0.07 0.01 0.02 99.64 01:10:23 0 0.46 0.00 0.05 0.01 0.02 99.46 01:10:23 1 0.05 0.00 0.08 0.01 0.02 99.83 01:20:23 all 0.43 0.00 0.09 0.03 0.02 99.43 01:20:23 0 0.51 0.00 0.06 0.02 0.01 99.41 01:20:23 1 0.35 0.00 0.13 0.04 0.03 99.46 01:30:01 all 0.30 0.00 0.16 0.01 0.02 99.51 01:30:01 0 0.11 0.00 0.18 0.01 0.02 99.68 01:30:01 1 0.49 0.00 0.14 0.02 0.02 99.34 01:40:23 all 1.76 0.00 0.30 0.10 0.02 97.82 01:40:23 0 1.05 0.00 0.27 0.04 0.02 98.62 01:40:23 1 2.46 0.00 0.34 0.16 0.02 97.02 01:50:23 all 12.62 0.00 1.63 0.51 0.06 85.18 01:50:23 0 14.13 0.00 1.87 0.38 0.06 83.56 01:50:23 1 11.11 0.00 1.40 0.63 0.06 86.80 02:00:01 all 6.33 0.00 0.68 0.05 0.05 92.89 02:00:01 0 5.80 0.00 0.62 0.08 0.05 93.45 02:00:01 1 6.87 0.00 0.74 0.01 0.05 92.32 Average: all 3.11 0.00 0.44 0.11 0.03 96.31 Average: 0 3.19 0.00 0.45 0.08 0.03 96.25 Average: 1 3.03 0.00 0.43 0.13 0.03 96.37