---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11869 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: 5599.86 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 7.9G 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 5307 4 2180 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:0b:c3:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81475sec preferred_lft 81475sec inet6 fe80::f816:3eff:fe0b:c3fc/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-11869) 05/08/26 _x86_64_ (2 CPU) 00:36:34 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.73 0.28 1.45 0.01 32.21 73.41 0.29 01:00:06 1.39 0.01 1.34 0.03 1.10 17.35 648.50 01:10:01 1.27 0.00 1.26 0.01 0.00 15.01 0.86 01:20:01 1.29 0.00 1.29 0.00 0.01 15.25 0.00 01:30:06 1.48 0.00 1.46 0.02 0.00 19.30 647.90 01:40:01 1.17 0.00 1.17 0.00 0.00 14.79 0.00 01:50:01 1.65 0.40 1.25 0.00 15.82 46.77 0.00 Average: 1.43 0.10 1.32 0.01 7.02 28.85 186.96 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6235284 7507048 312732 3.85 30728 1446596 721624 7.86 456844 1200200 168 01:00:06 6249808 7522472 297296 3.66 30952 1447240 518996 5.65 452832 1200756 216 01:10:01 6257396 7530580 289208 3.56 31140 1447568 519076 5.65 452932 1201272 156 01:20:01 6257396 7531072 288700 3.55 31304 1447888 519232 5.66 453340 1201756 248 01:30:06 6254288 7528660 291012 3.58 31508 1448348 520440 5.67 454620 1202292 236 01:40:01 6258936 7533804 285900 3.52 31668 1448680 520440 5.67 454568 1202780 200 01:50:01 6218780 7508852 310604 3.82 31972 1463368 560896 6.11 493532 1216260 368 Average: 6247413 7523213 296493 3.65 31325 1449955 554386 6.04 459810 1203617 227 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.37 0.28 3.23 0.07 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.48 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.47 0.06 0.10 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.41 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.36 0.12 0.08 0.60 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 0.40 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 11.09 6.38 23.76 2.73 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.08 1.01 3.92 0.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11869) 05/08/26 _x86_64_ (2 CPU) 00:36:34 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.10 0.02 0.04 99.50 00:50:01 0 0.43 0.00 0.07 0.02 0.04 99.44 00:50:01 1 0.25 0.00 0.12 0.02 0.05 99.56 01:00:06 all 0.32 0.00 0.15 0.01 0.04 99.47 01:00:06 0 0.55 0.00 0.13 0.00 0.03 99.29 01:00:06 1 0.10 0.00 0.18 0.02 0.06 99.65 01:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:01 0 0.41 0.00 0.05 0.00 0.03 99.51 01:10:01 1 0.09 0.00 0.09 0.01 0.05 99.75 01:20:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:01 0 0.43 0.00 0.04 0.00 0.03 99.50 01:20:01 1 0.06 0.00 0.09 0.01 0.05 99.79 01:30:06 all 0.27 0.00 0.16 0.01 0.04 99.52 01:30:06 0 0.24 0.00 0.17 0.01 0.04 99.55 01:30:06 1 0.31 0.00 0.16 0.01 0.04 99.49 01:40:01 all 0.24 0.00 0.06 0.01 0.04 99.65 01:40:01 0 0.05 0.00 0.07 0.01 0.05 99.82 01:40:01 1 0.44 0.00 0.05 0.01 0.03 99.47 01:50:01 all 0.47 0.00 0.10 0.02 0.04 99.38 01:50:01 0 0.28 0.00 0.10 0.02 0.05 99.55 01:50:01 1 0.66 0.00 0.10 0.01 0.03 99.21 Average: all 0.31 0.00 0.10 0.01 0.04 99.54 Average: 0 0.34 0.00 0.09 0.01 0.04 99.52 Average: 1 0.27 0.00 0.11 0.01 0.04 99.56