---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1616 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 735 5318 4 2176 7206 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:db:1f:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80002sec preferred_lft 80002sec inet6 fe80::f816:3eff:fedb:1f59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1616) 04/10/26 _x86_64_ (2 CPU) 00:40:26 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.50 0.01 1.48 0.01 0.05 17.84 435.93 01:10:12 2.01 0.31 1.68 0.01 39.35 72.77 0.25 01:20:01 1.33 0.00 1.31 0.01 0.01 15.42 0.98 01:30:01 1.50 0.00 1.47 0.03 0.00 17.80 436.59 01:40:12 1.43 0.00 1.42 0.02 0.00 16.73 1.07 01:50:01 1.63 0.25 1.37 0.01 8.83 33.11 0.49 02:00:01 35.31 2.79 17.72 14.80 220.03 3131.51 110386.44 02:10:12 1.28 0.00 1.28 0.00 0.00 16.26 0.04 02:20:01 1.31 0.00 1.30 0.01 0.00 15.72 0.08 Average: 5.25 0.37 3.22 1.65 29.83 370.36 12344.12 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6301820 7549136 271404 3.34 30688 1422288 527716 5.75 444924 1183508 148 01:10:12 6247932 7524312 295596 3.63 31052 1450612 527880 5.75 456372 1200820 172 01:20:01 6265356 7542268 277644 3.41 31248 1450944 528324 5.75 458312 1201348 136 01:30:01 6276164 7553644 266168 3.27 31464 1451268 528324 5.75 458240 1201880 140 01:40:12 6273924 7552092 267764 3.29 31680 1451724 528452 5.76 458796 1202432 124 01:50:01 6257884 7544348 275412 3.39 31912 1459712 535956 5.84 467212 1209828 276 02:00:01 5306788 7417092 354408 4.36 85124 2189328 630084 6.86 587112 1947896 236 02:10:12 5302504 7413332 358076 4.40 85296 2189684 686184 7.47 592204 1948420 172 02:20:01 5302252 7413584 357980 4.40 85444 2190036 631196 6.87 587236 1948924 120 Average: 5948292 7501090 302717 3.72 49323 1695066 569346 6.20 501156 1449451 169 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 0.53 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.65 0.24 3.04 0.05 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 0.47 0.09 0.12 0.06 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 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.55 0.22 0.15 0.61 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 5.45 1.90 10.24 0.69 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 02:00:01 ens3 57.86 38.22 289.01 9.77 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 2.04 0.27 0.24 0.04 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 0.75 0.24 0.17 0.08 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 7.60 4.58 33.62 1.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1616) 04/10/26 _x86_64_ (2 CPU) 00:40:26 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.01 0.04 99.49 01:00:01 0 0.28 0.00 0.20 0.02 0.04 99.47 01:00:01 1 0.29 0.00 0.16 0.00 0.03 99.51 01:10:12 all 0.36 0.00 0.10 0.03 0.04 99.48 01:10:12 0 0.49 0.00 0.07 0.01 0.03 99.40 01:10:12 1 0.22 0.00 0.13 0.05 0.04 99.56 01:20:01 all 0.28 0.00 0.07 0.01 0.04 99.60 01:20:01 0 0.13 0.00 0.08 0.02 0.04 99.73 01:20:01 1 0.43 0.00 0.06 0.00 0.04 99.46 01:30:01 all 0.23 0.00 0.16 0.01 0.04 99.56 01:30:01 0 0.10 0.00 0.16 0.02 0.05 99.68 01:30:01 1 0.37 0.00 0.15 0.00 0.04 99.44 01:40:12 all 0.25 0.00 0.07 0.04 0.03 99.60 01:40:12 0 0.28 0.00 0.06 0.08 0.02 99.55 01:40:12 1 0.23 0.00 0.08 0.00 0.04 99.66 01:50:01 all 0.30 0.00 0.09 0.01 0.03 99.56 01:50:01 0 0.48 0.00 0.05 0.01 0.02 99.45 01:50:01 1 0.13 0.00 0.13 0.02 0.05 99.67 02:00:01 all 10.73 0.00 1.74 0.60 0.07 86.86 02:00:01 0 12.90 0.00 1.82 0.51 0.08 84.69 02:00:01 1 8.55 0.00 1.66 0.69 0.06 89.03 02:10:12 all 0.43 0.00 0.15 0.01 0.05 99.35 02:10:12 0 0.35 0.00 0.19 0.02 0.07 99.36 02:10:12 1 0.50 0.00 0.11 0.00 0.03 99.35 02:20:01 all 0.39 0.00 0.13 0.85 0.04 98.58 02:20:01 0 0.39 0.00 0.12 1.70 0.04 97.75 02:20:01 1 0.39 0.00 0.15 0.00 0.04 99.41 Average: all 1.47 0.00 0.30 0.17 0.04 98.01 Average: 0 1.71 0.00 0.31 0.26 0.04 97.68 Average: 1 1.23 0.00 0.29 0.09 0.04 98.35