---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32760 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 8.1G 30G 22% / 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 761 5020 4 2453 7179 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:eb:6d:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81164sec preferred_lft 81164sec inet6 fe80::f816:3eff:feeb:6d07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32760) 07/04/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.65 0.02 1.61 0.01 1.21 19.74 638.29 02:10:02 1.42 0.01 1.40 0.01 0.05 16.68 0.86 02:20:01 1.37 0.00 1.35 0.02 0.01 15.74 1.20 02:30:15 13.86 0.00 1.60 12.27 0.14 19.24 107069.83 02:40:15 2.01 0.26 1.72 0.03 32.03 77.13 1.43 02:50:01 1.38 0.00 1.36 0.02 0.00 15.94 1.11 03:00:06 2.06 0.40 1.65 0.02 15.66 50.71 432.52 03:10:15 25.70 2.56 20.89 2.25 208.63 3510.08 563.10 Average: 6.25 0.41 3.98 1.86 32.54 471.00 13868.36 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6285220 7532004 288424 3.55 30588 1421872 524800 5.72 451364 1183340 132 02:10:02 6307832 7555172 265304 3.26 30808 1422212 525020 5.72 451604 1183892 296 02:20:01 6306888 7554760 265716 3.27 31012 1422528 525024 5.72 451524 1184420 124 02:30:15 6299552 7548048 272284 3.35 31240 1422912 525016 5.72 451744 1184996 308 02:40:15 6246532 7522600 297300 3.66 31604 1449764 525092 5.72 461416 1203016 132 02:50:01 6246040 7522644 297224 3.65 31804 1450092 525156 5.72 461560 1203544 192 03:00:06 6227640 7519348 300116 3.69 32132 1464768 543092 5.92 487168 1217024 220 03:10:15 5103492 7367652 398952 4.91 87180 2336756 674820 7.35 636872 2100000 10488 Average: 6127900 7515278 298165 3.67 38296 1548863 546002 5.95 481656 1307529 1486 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.66 0.12 0.33 0.05 0.00 0.00 0.00 0.00 02:10:02 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.52 0.06 0.06 0.02 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 1.03 0.03 0.31 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.34 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:40:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 1.17 0.57 3.45 0.46 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.33 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:00:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 6.73 4.45 19.67 2.75 0.00 0.00 0.00 0.00 03:10:15 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:15 ens3 72.61 53.43 357.67 12.34 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 10.67 7.43 48.27 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32760) 07/04/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.31 0.00 0.18 0.01 0.02 99.47 02:00:15 0 0.19 0.00 0.21 0.01 0.02 99.56 02:00:15 1 0.43 0.00 0.15 0.01 0.02 99.39 02:10:02 all 0.25 0.00 0.08 0.02 0.02 99.63 02:10:02 0 0.29 0.00 0.07 0.01 0.02 99.62 02:10:02 1 0.21 0.00 0.09 0.03 0.03 99.65 02:20:01 all 0.25 0.00 0.07 1.06 0.02 98.59 02:20:01 0 0.31 0.00 0.06 0.01 0.02 99.60 02:20:01 1 0.19 0.00 0.08 2.11 0.03 97.59 02:30:15 all 0.26 0.00 0.16 0.05 0.03 99.51 02:30:15 0 0.39 0.00 0.14 0.01 0.02 99.44 02:30:15 1 0.12 0.00 0.18 0.08 0.03 99.59 02:40:15 all 0.35 0.00 0.11 0.02 0.02 99.49 02:40:15 0 0.23 0.00 0.13 0.04 0.03 99.59 02:40:15 1 0.47 0.00 0.10 0.01 0.02 99.40 02:50:01 all 0.23 0.00 0.06 0.01 0.02 99.67 02:50:01 0 0.05 0.00 0.09 0.01 0.03 99.83 02:50:01 1 0.41 0.00 0.04 0.01 0.02 99.52 03:00:06 all 0.49 0.00 0.17 0.60 0.02 98.71 03:00:06 0 0.69 0.00 0.15 0.01 0.02 99.13 03:00:06 1 0.30 0.00 0.19 1.19 0.03 98.29 03:10:15 all 16.51 0.00 1.72 0.62 0.07 81.09 03:10:15 0 19.80 0.00 1.58 0.44 0.07 78.12 03:10:15 1 13.22 0.00 1.85 0.80 0.06 84.06 Average: all 2.35 0.00 0.32 0.30 0.03 97.00 Average: 0 2.77 0.00 0.31 0.07 0.03 96.83 Average: 1 1.94 0.00 0.34 0.53 0.03 97.16