---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4541 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 777 5269 4 2182 7164 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:31:a9:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80494sec preferred_lft 80494sec inet6 fe80::f816:3eff:fe31:a9b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4541) 04/19/26 _x86_64_ (2 CPU) 02:04:14 LINUX RESTART (2 CPU) 02:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:02 1.29 0.01 1.28 0.00 0.07 15.61 0.24 02:30:03 2.12 0.31 1.77 0.04 38.96 69.71 654.32 02:40:04 1.30 0.00 1.29 0.01 1.05 22.38 0.65 02:50:04 13.72 0.00 1.18 12.54 0.15 14.80 109046.23 03:00:05 1.40 0.00 1.38 0.01 0.00 17.74 435.00 03:10:05 1.09 0.00 1.09 0.00 0.00 13.52 0.00 03:20:06 2.71 1.30 1.39 0.01 95.69 108.09 0.23 03:30:01 21.10 1.73 17.11 2.25 133.60 3085.83 936.49 03:40:06 1.27 0.00 1.26 0.00 0.00 21.65 0.08 Average: 5.09 0.37 3.07 1.65 29.82 371.25 12338.93 02:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:02 6286652 7533668 286932 3.53 30636 1422088 532904 5.80 450172 1183336 204 02:30:03 6094088 7370084 449900 5.53 31068 1450244 740756 8.07 599996 1200860 2232 02:40:04 6263204 7540036 280028 3.44 31260 1450884 533200 5.81 461932 1201376 180 02:50:04 6262448 7539816 280264 3.45 31420 1451252 533264 5.81 461912 1201880 192 03:00:05 6260748 7538796 281316 3.46 31628 1451704 533264 5.81 462324 1202412 188 03:10:05 6260748 7539288 280820 3.45 31780 1452040 533324 5.81 462532 1202900 248 03:20:06 6050728 7421652 393204 4.83 39216 1532464 632152 6.89 584632 1278228 35244 03:30:01 5271024 7383880 387896 4.77 85384 2191604 642900 7.00 607456 1950512 308 03:40:06 5244996 7359860 412020 5.07 85532 2193472 651608 7.10 607996 1952528 244 Average: 5999404 7469676 339153 4.17 44214 1621750 592597 6.45 522106 1374892 4338 02:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.72 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.88 0.23 3.12 0.03 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 1.36 0.07 5.33 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.60 0.02 0.83 0.01 0.00 0.00 0.00 0.00 03:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:05 ens3 0.42 0.07 0.11 0.05 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:20:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 18.64 11.13 50.53 4.54 0.00 0.00 0.00 0.00 03:30:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:30:01 ens3 50.91 35.55 263.67 7.51 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 13.32 12.11 106.38 1.11 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 9.64 6.56 47.62 1.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4541) 04/19/26 _x86_64_ (2 CPU) 02:04:14 LINUX RESTART (2 CPU) 02:10:02 CPU %user %nice %system %iowait %steal %idle 02:20:02 all 0.26 0.00 0.08 0.01 0.02 99.62 02:20:02 0 0.18 0.00 0.08 0.02 0.02 99.70 02:20:02 1 0.35 0.00 0.08 0.00 0.02 99.54 02:30:03 all 0.36 0.00 0.21 0.03 0.02 99.38 02:30:03 0 0.26 0.00 0.20 0.03 0.02 99.49 02:30:03 1 0.46 0.00 0.22 0.03 0.02 99.27 02:40:04 all 0.23 0.00 0.08 0.01 0.02 99.66 02:40:04 0 0.36 0.00 0.06 0.02 0.02 99.55 02:40:04 1 0.10 0.00 0.10 0.01 0.03 99.76 02:50:04 all 0.26 0.00 0.09 0.03 0.02 99.59 02:50:04 0 0.05 0.00 0.11 0.05 0.03 99.77 02:50:04 1 0.48 0.00 0.07 0.02 0.02 99.41 03:00:05 all 0.28 0.00 0.19 0.01 0.02 99.50 03:00:05 0 0.18 0.00 0.20 0.02 0.02 99.59 03:00:05 1 0.38 0.00 0.19 0.01 0.02 99.41 03:10:05 all 0.25 0.00 0.08 0.01 0.02 99.64 03:10:05 0 0.24 0.00 0.08 0.01 0.02 99.65 03:10:05 1 0.26 0.00 0.08 0.01 0.02 99.63 03:20:06 all 1.08 0.00 0.24 0.07 0.03 98.58 03:20:06 0 1.30 0.00 0.25 0.09 0.02 98.34 03:20:06 1 0.87 0.00 0.24 0.05 0.03 98.82 03:30:01 all 11.36 0.00 1.74 0.48 0.06 86.36 03:30:01 0 10.30 0.00 1.62 0.48 0.06 87.54 03:30:01 1 12.43 0.00 1.86 0.48 0.06 85.18 03:40:06 all 0.90 0.00 0.22 0.01 0.05 98.83 03:40:06 0 0.71 0.00 0.14 0.01 0.03 99.11 03:40:06 1 1.09 0.00 0.30 0.01 0.06 98.54 Average: all 1.65 0.00 0.32 0.07 0.03 97.92 Average: 0 1.49 0.00 0.30 0.08 0.03 98.10 Average: 1 1.81 0.00 0.35 0.07 0.03 97.74