---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15978 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: 5600.00 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 743 5290 4 2196 7198 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:10:99:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80886sec preferred_lft 80886sec inet6 fe80::f816:3eff:fe10:9917/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15978) 05/17/26 _x86_64_ (2 CPU) 01:35:45 LINUX RESTART (2 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:09 1.30 0.02 1.27 0.00 1.22 15.54 0.12 02:00:01 1.40 0.01 1.37 0.03 0.05 17.23 442.86 02:10:09 1.89 0.25 1.62 0.02 31.61 73.51 0.95 02:20:09 13.98 0.00 1.42 12.55 0.16 16.44 109124.73 02:30:01 1.49 0.00 1.48 0.01 0.00 18.12 661.77 02:40:09 1.39 0.00 1.39 0.00 0.00 15.73 0.00 02:50:07 1.80 0.40 1.40 0.00 15.86 47.82 0.00 03:00:01 22.77 2.64 17.83 2.29 214.40 3189.90 915.14 Average: 5.73 0.41 3.45 1.86 32.68 420.20 13885.62 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:09 6297928 7545180 275304 3.39 30580 1422364 532596 5.80 446456 1183256 168 02:00:01 6295652 7543472 277008 3.41 30796 1422696 532588 5.80 446408 1183804 156 02:10:09 6263152 7537968 282116 3.47 31164 1448988 532872 5.80 455724 1201388 204 02:20:09 6259652 7535032 284984 3.50 31344 1449348 532936 5.80 455816 1201900 168 02:30:01 6253392 7529432 290568 3.57 31532 1449804 532936 5.80 456136 1202428 240 02:40:09 6275092 7551632 268356 3.30 31684 1450144 532968 5.81 456256 1202908 164 02:50:07 6230688 7522268 297392 3.66 31988 1464816 549532 5.99 489136 1216360 248 03:00:01 5304624 7425452 346024 4.25 85180 2199628 629528 6.86 587336 1960324 740 Average: 6147522 7523804 290219 3.57 38034 1538474 546994 5.96 474158 1294046 261 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 1.05 0.03 0.10 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.49 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 1.26 0.19 6.47 0.03 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.63 0.04 0.89 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.27 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.41 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 9.03 4.33 20.13 2.97 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 97.31 67.67 294.47 14.77 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 13.68 8.96 39.90 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15978) 05/17/26 _x86_64_ (2 CPU) 01:35:45 LINUX RESTART (2 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:09 all 0.30 0.00 0.07 0.01 0.06 99.56 01:50:09 0 0.52 0.00 0.06 0.00 0.05 99.37 01:50:09 1 0.08 0.00 0.09 0.02 0.06 99.75 02:00:01 all 0.30 0.00 0.17 0.05 0.02 99.46 02:00:01 0 0.41 0.00 0.16 0.01 0.02 99.40 02:00:01 1 0.20 0.00 0.17 0.08 0.02 99.52 02:10:09 all 0.40 0.00 0.11 0.04 0.02 99.43 02:10:09 0 0.51 0.00 0.11 0.05 0.02 99.31 02:10:09 1 0.29 0.00 0.10 0.03 0.02 99.56 02:20:09 all 0.23 0.00 0.09 0.03 0.03 99.63 02:20:09 0 0.12 0.00 0.08 0.01 0.03 99.77 02:20:09 1 0.35 0.00 0.10 0.04 0.03 99.49 02:30:01 all 0.32 0.00 0.17 0.02 0.02 99.47 02:30:01 0 0.55 0.00 0.15 0.03 0.02 99.26 02:30:01 1 0.09 0.00 0.20 0.01 0.03 99.68 02:40:09 all 0.23 0.00 0.08 0.01 0.02 99.66 02:40:09 0 0.35 0.00 0.07 0.00 0.01 99.57 02:40:09 1 0.12 0.00 0.10 0.01 0.02 99.74 02:50:07 all 0.61 0.00 0.12 0.01 0.02 99.24 02:50:07 0 0.45 0.00 0.12 0.01 0.02 99.40 02:50:07 1 0.78 0.00 0.12 0.01 0.02 99.07 03:00:01 all 12.88 0.00 2.09 0.50 0.05 84.47 03:00:01 0 14.42 0.00 2.26 0.56 0.05 82.71 03:00:01 1 11.35 0.00 1.92 0.45 0.05 86.23 Average: all 1.89 0.00 0.36 0.08 0.03 97.64 Average: 0 2.14 0.00 0.37 0.08 0.03 97.37 Average: 1 1.64 0.00 0.35 0.08 0.03 97.90