---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1622 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 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 734 5314 4 2181 7207 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:5a:2e:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80859sec preferred_lft 80859sec inet6 fe80::f816:3eff:fe5a:2ebb/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-1622) 04/10/26 _x86_64_ (2 CPU) 00:40:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.53 0.03 0.05 19.00 872.76 01:10:01 1.34 0.00 1.32 0.02 0.00 15.76 1.21 01:20:01 1.95 0.32 1.60 0.03 39.03 72.88 1.28 01:30:01 1.64 0.01 1.60 0.03 1.05 19.73 872.08 01:40:01 1.31 0.00 1.29 0.02 0.00 15.47 1.20 01:50:01 1.32 0.00 1.31 0.01 0.00 15.60 0.37 02:00:01 22.24 3.02 16.98 2.24 228.13 3123.06 914.30 02:10:01 14.86 0.00 1.44 13.42 0.15 22.80 106739.24 Average: 5.78 0.42 3.38 1.97 33.56 413.11 13680.25 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6286980 7534092 286576 3.52 30764 1421996 530040 5.77 447332 1183648 128 01:10:01 6286980 7534624 286024 3.52 30968 1422328 530128 5.77 447688 1184172 152 01:20:01 6242888 7519324 300648 3.70 31360 1450340 728432 7.93 465048 1201524 144 01:30:01 6251336 7528636 291424 3.58 31568 1450976 530344 5.78 459744 1202056 128 01:40:01 6251096 7529052 291000 3.58 31760 1451436 530344 5.78 459932 1202580 196 01:50:01 6251096 7529572 290476 3.57 31944 1451760 530508 5.78 460152 1203088 288 02:00:01 5280680 7391568 380316 4.68 85204 2189840 636064 6.93 599172 1948872 240 02:10:01 5262020 7374972 396832 4.88 85344 2191780 658860 7.18 613920 1950916 284 Average: 6014134 7492730 315412 3.88 44864 1628807 584340 6.36 494124 1384607 195 00:50:01 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 0.51 0.07 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 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.68 0.27 3.14 0.07 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 0.40 0.19 0.08 0.48 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 0.41 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.34 0.10 0.12 0.07 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 69.77 46.23 311.60 11.64 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 14.02 12.10 107.34 1.09 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 10.82 7.39 52.83 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1622) 04/10/26 _x86_64_ (2 CPU) 00:40:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.18 0.01 0.03 99.50 01:00:01 0 0.09 0.00 0.19 0.02 0.03 99.67 01:00:01 1 0.48 0.00 0.16 0.01 0.02 99.34 01:10:01 all 0.27 0.00 0.07 0.01 0.03 99.63 01:10:01 0 0.07 0.00 0.10 0.02 0.03 99.79 01:10:01 1 0.47 0.00 0.05 0.00 0.02 99.46 01:20:01 all 0.36 0.00 0.11 0.02 0.03 99.49 01:20:01 0 0.36 0.00 0.11 0.02 0.02 99.48 01:20:01 1 0.35 0.00 0.10 0.02 0.03 99.50 01:30:01 all 0.25 0.00 0.16 0.01 0.02 99.55 01:30:01 0 0.15 0.00 0.18 0.02 0.02 99.63 01:30:01 1 0.34 0.00 0.15 0.01 0.02 99.48 01:40:01 all 0.21 0.00 0.06 0.01 0.02 99.70 01:40:01 0 0.06 0.00 0.08 0.01 0.03 99.83 01:40:01 1 0.36 0.00 0.04 0.01 0.02 99.57 01:50:01 all 0.24 0.00 0.07 0.01 0.02 99.66 01:50:01 0 0.05 0.00 0.08 0.01 0.03 99.83 01:50:01 1 0.44 0.00 0.05 0.01 0.02 99.49 02:00:01 all 11.15 0.00 1.77 0.50 0.06 86.53 02:00:01 0 12.40 0.00 1.90 0.53 0.06 85.10 02:00:01 1 9.89 0.00 1.64 0.46 0.05 87.96 02:10:01 all 0.83 0.00 0.21 0.03 0.05 98.88 02:10:01 0 0.66 0.00 0.19 0.04 0.05 99.06 02:10:01 1 0.99 0.00 0.24 0.02 0.06 98.70 Average: all 1.70 0.00 0.33 0.07 0.03 97.87 Average: 0 1.73 0.00 0.35 0.08 0.03 97.80 Average: 1 1.66 0.00 0.30 0.07 0.03 97.94