---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32220 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 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 769 5188 4 2276 7172 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:4b:7f:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80730sec preferred_lft 80730sec inet6 fe80::f816:3eff:fe4b:7f55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32220) 07/02/26 _x86_64_ (2 CPU) 00:39:57 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:38 7.92 3.21 4.63 0.08 376.67 5346.44 207.03 01:00:18 2.01 0.27 1.71 0.03 32.10 79.68 676.51 01:10:38 1.22 0.00 1.22 0.00 0.00 14.23 0.00 01:20:38 1.26 0.00 1.26 0.00 0.01 14.69 0.00 01:30:18 14.54 0.00 1.55 12.99 0.15 18.98 113559.44 01:40:01 1.18 0.00 1.18 0.00 0.00 14.00 0.00 01:50:28 1.33 0.02 1.30 0.00 2.05 15.58 0.04 02:00:38 23.84 2.94 18.60 2.30 222.35 3483.36 1367.76 02:10:01 1.38 0.00 1.37 0.00 0.00 22.06 0.06 Average: 6.11 0.74 3.70 1.67 73.35 1045.00 12445.44 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:38 6297620 7548364 271992 3.34 30584 1425776 532492 5.80 445328 1187424 176 01:00:18 6255232 7533144 286732 3.53 30988 1452168 731192 7.96 459740 1205456 136 01:10:38 6266072 7544488 275372 3.39 31164 1452488 731328 7.97 459968 1205952 124 01:20:38 6257576 7536488 283380 3.48 31328 1452816 731524 7.97 462748 1206444 132 01:30:18 6259828 7539332 280376 3.45 31512 1453184 731576 7.97 463132 1206968 132 01:40:01 6259828 7539948 279756 3.44 31664 1453644 731640 7.97 463168 1207448 188 01:50:28 6237948 7519200 300504 3.70 31824 1454608 731640 7.97 464136 1208016 140 02:00:38 5152284 7357488 409196 5.03 86976 2278252 862800 9.40 624296 2041692 404 02:10:01 5119416 7326356 440308 5.41 87092 2279908 878388 9.57 631488 2043432 292 Average: 6011756 7493868 314180 3.86 43681 1633649 740287 8.06 497112 1390315 192 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:38 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:50:38 ens3 14.51 6.78 63.34 1.81 0.00 0.00 0.00 0.00 01:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 1.22 0.50 3.36 0.06 0.00 0.00 0.00 0.00 01:10:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:38 ens3 0.68 0.05 12.68 0.04 0.00 0.00 0.00 0.00 01:20:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:38 ens3 0.81 0.09 0.95 0.06 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.36 0.15 0.07 0.66 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 0.49 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:28 ens3 0.38 0.11 0.09 0.05 0.00 0.00 0.00 0.00 02:00:38 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:38 ens3 75.28 51.39 324.19 11.76 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 10.67 8.93 76.54 0.87 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 11.76 7.64 54.03 1.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32220) 07/02/26 _x86_64_ (2 CPU) 00:39:57 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:38 all 0.88 0.00 0.53 0.28 0.04 98.27 00:50:38 0 0.77 0.00 0.50 0.19 0.04 98.51 00:50:38 1 0.99 0.00 0.57 0.37 0.04 98.03 01:00:18 all 0.44 0.00 0.18 0.02 0.04 99.32 01:00:18 0 0.39 0.00 0.20 0.03 0.04 99.34 01:00:18 1 0.48 0.00 0.17 0.01 0.03 99.30 01:10:38 all 0.22 0.00 0.08 0.01 0.04 99.65 01:10:38 0 0.05 0.00 0.08 0.02 0.04 99.81 01:10:38 1 0.40 0.00 0.07 0.00 0.04 99.49 01:20:38 all 0.30 0.00 0.07 0.01 0.03 99.59 01:20:38 0 0.34 0.00 0.08 0.01 0.03 99.54 01:20:38 1 0.25 0.00 0.07 0.01 0.04 99.63 01:30:18 all 0.29 0.00 0.18 0.03 0.04 99.48 01:30:18 0 0.31 0.00 0.16 0.02 0.03 99.47 01:30:18 1 0.27 0.00 0.19 0.03 0.04 99.48 01:40:01 all 0.25 0.00 0.07 0.01 0.04 99.64 01:40:01 0 0.10 0.00 0.07 0.03 0.04 99.76 01:40:01 1 0.39 0.00 0.06 0.00 0.03 99.52 01:50:28 all 0.25 0.00 0.07 0.02 0.03 99.63 01:50:28 0 0.14 0.00 0.08 0.03 0.03 99.72 01:50:28 1 0.36 0.00 0.07 0.00 0.04 99.53 02:00:38 all 11.59 0.00 1.77 0.56 0.07 86.01 02:00:38 0 11.47 0.00 1.76 0.49 0.07 86.22 02:00:38 1 11.71 0.00 1.78 0.63 0.06 85.81 02:10:01 all 0.80 0.00 0.19 0.01 0.08 98.93 02:10:01 0 1.00 0.00 0.23 0.01 0.08 98.69 02:10:01 1 0.59 0.00 0.16 0.01 0.07 99.17 Average: all 1.69 0.00 0.35 0.11 0.04 97.81 Average: 0 1.63 0.00 0.35 0.09 0.05 97.88 Average: 1 1.74 0.00 0.35 0.12 0.04 97.74