---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36758 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 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 732 5217 4 2284 7209 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:90:be:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79891sec preferred_lft 79891sec inet6 fe80::f816:3eff:fe90:bee7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36758) 07/18/26 _x86_64_ (2 CPU) 00:39:08 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:26 1.65 0.02 1.61 0.01 1.20 27.34 0.63 01:00:01 1.50 0.01 1.47 0.02 0.06 18.04 455.79 01:10:06 1.15 0.00 1.13 0.02 0.00 14.20 1.19 01:20:06 1.23 0.03 1.18 0.02 2.16 15.20 1.24 01:30:01 14.17 0.00 1.50 12.67 0.15 18.32 110509.62 01:40:26 1.74 0.24 1.48 0.03 29.74 72.91 1.32 01:50:12 1.79 0.41 1.37 0.01 17.28 48.59 0.30 02:00:06 25.63 2.47 20.80 2.36 210.41 3551.90 696.50 02:10:26 1.40 0.00 1.40 0.00 0.00 16.27 0.00 02:20:26 1.44 0.00 1.44 0.00 0.00 16.67 0.00 Average: 5.12 0.32 3.31 1.50 25.89 375.46 11038.96 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:26 6293008 7540808 280088 3.44 30516 1422988 524404 5.71 447592 1183232 124 01:00:01 6292832 7541172 279664 3.44 30732 1423288 524396 5.71 447648 1183748 136 01:10:06 6290816 7539696 281164 3.46 30944 1423612 524396 5.71 448088 1184284 192 01:20:06 6277540 7527600 293272 3.61 31148 1424584 524728 5.72 449268 1184888 268 01:30:01 6289836 7540636 280004 3.44 31352 1425080 524760 5.72 449388 1185444 252 01:40:26 6250048 7528168 291936 3.59 31716 1451668 733320 7.99 464040 1203632 168 01:50:12 6231720 7525240 294552 3.62 32036 1466656 540032 5.88 489328 1217104 248 02:00:06 5200676 7419820 346568 4.26 87612 2290968 615124 6.70 583128 2053396 188 02:10:26 5200676 7420348 346076 4.26 87756 2291352 615124 6.70 583212 2053924 156 02:20:26 5200676 7420948 345508 4.25 87872 2291836 615124 6.70 583244 2054396 160 Average: 5952783 7500444 303883 3.74 48168 1691203 574141 6.25 494494 1450405 189 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 2.91 0.16 0.49 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.41 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.69 0.30 0.21 0.62 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 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 0.62 0.25 3.16 0.08 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 10.71 4.94 20.70 2.90 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 59.16 40.91 308.68 8.65 0.00 0.00 0.00 0.00 02:10:26 lo 0.95 0.95 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 1.54 0.15 0.18 0.03 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.53 0.17 0.08 0.03 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 7.64 4.64 32.93 1.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36758) 07/18/26 _x86_64_ (2 CPU) 00:39:08 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:26 all 0.31 0.00 0.08 0.03 0.03 99.56 00:50:26 0 0.25 0.00 0.08 0.02 0.03 99.62 00:50:26 1 0.36 0.00 0.07 0.04 0.03 99.50 01:00:01 all 0.27 0.00 0.16 0.03 0.03 99.51 01:00:01 0 0.07 0.00 0.17 0.03 0.03 99.69 01:00:01 1 0.47 0.00 0.15 0.03 0.03 99.32 01:10:06 all 0.25 0.00 0.07 0.06 0.03 99.59 01:10:06 0 0.04 0.00 0.08 0.08 0.03 99.77 01:10:06 1 0.46 0.00 0.06 0.04 0.03 99.42 01:20:06 all 0.27 0.00 0.08 0.03 0.03 99.59 01:20:06 0 0.08 0.00 0.10 0.01 0.03 99.78 01:20:06 1 0.47 0.00 0.07 0.04 0.02 99.40 01:30:01 all 0.26 0.00 0.16 0.05 0.03 99.50 01:30:01 0 0.18 0.00 0.18 0.07 0.03 99.54 01:30:01 1 0.35 0.00 0.14 0.04 0.03 99.45 01:40:26 all 0.35 0.00 0.08 0.07 0.03 99.46 01:40:26 0 0.50 0.00 0.06 0.04 0.02 99.39 01:40:26 1 0.21 0.00 0.11 0.11 0.04 99.54 01:50:12 all 0.50 0.00 0.09 0.04 0.03 99.35 01:50:12 0 0.50 0.00 0.06 0.02 0.02 99.39 01:50:12 1 0.49 0.00 0.11 0.05 0.03 99.31 02:00:06 all 11.89 0.00 1.82 2.84 0.07 83.38 02:00:06 0 16.18 0.00 2.19 4.61 0.07 76.95 02:00:06 1 7.60 0.00 1.44 1.08 0.07 89.81 02:10:26 all 0.39 0.00 0.12 6.93 0.06 92.51 02:10:26 0 0.43 0.00 0.10 5.01 0.05 94.41 02:10:26 1 0.35 0.00 0.14 8.84 0.07 90.60 02:20:26 all 0.38 0.00 0.12 0.05 0.05 99.40 02:20:26 0 0.40 0.00 0.16 0.04 0.07 99.34 02:20:26 1 0.36 0.00 0.09 0.06 0.04 99.46 Average: all 1.47 0.00 0.28 1.03 0.04 97.19 Average: 0 1.84 0.00 0.31 1.00 0.04 96.81 Average: 1 1.10 0.00 0.24 1.06 0.04 97.57