---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38302 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 8.1G 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 773 4995 4 2473 7168 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:e1:64:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81945sec preferred_lft 81945sec inet6 fe80::f816:3eff:fee1:6401/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38302) 07/24/26 _x86_64_ (2 CPU) 05:16:26 LINUX RESTART (2 CPU) 05:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 14.57 0.05 1.64 12.87 3.63 20.18 112489.77 05:40:16 1.23 0.01 1.21 0.01 0.05 14.89 1.05 05:50:17 1.15 0.00 1.13 0.02 0.00 14.14 1.32 06:00:01 1.36 0.00 1.33 0.03 0.00 16.77 673.01 06:10:15 1.24 0.00 1.22 0.02 0.00 15.18 1.19 06:20:20 1.78 0.25 1.50 0.03 31.78 75.29 1.30 06:30:01 27.78 2.96 21.79 3.04 231.59 3739.91 1065.77 Average: 6.87 0.46 4.18 2.24 37.29 542.21 15957.57 05:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 6290852 7539056 281352 3.46 30636 1423236 520836 5.67 449228 1183480 244 05:40:16 6297684 7546424 274016 3.37 30840 1423564 520932 5.67 452784 1184012 124 05:50:17 6304048 7553324 267092 3.28 31044 1423896 521076 5.68 452836 1184536 232 06:00:01 6293416 7543220 277228 3.41 31228 1424220 521076 5.68 453048 1185056 276 06:10:15 6300752 7551112 269324 3.31 31448 1424548 521076 5.68 453064 1185604 124 06:20:20 6234052 7512168 307816 3.79 31816 1451568 521192 5.68 462592 1203780 176 06:30:01 5136620 7359052 407056 5.01 89368 2292472 664148 7.23 647252 2056920 32016 Average: 6122489 7514908 297698 3.66 39483 1551929 541477 5.90 481543 1311913 4742 05:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 4.63 0.11 0.40 0.05 0.00 0.00 0.00 0.00 05:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:16 ens3 3.66 0.04 0.22 0.03 0.00 0.00 0.00 0.00 05:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:17 ens3 0.57 0.02 6.00 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.35 0.09 0.10 0.04 0.00 0.00 0.00 0.00 06:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:15 ens3 0.15 0.02 0.03 0.01 0.00 0.00 0.00 0.00 06:20:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:20:20 ens3 0.85 0.46 3.24 0.07 0.00 0.00 0.00 0.00 06:30:01 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 06:30:01 ens3 111.28 78.20 346.85 20.59 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.92 10.98 49.64 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38302) 07/24/26 _x86_64_ (2 CPU) 05:16:26 LINUX RESTART (2 CPU) 05:20:16 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 0.31 0.00 0.19 0.04 0.03 99.43 05:30:01 0 0.35 0.00 0.19 0.05 0.03 99.38 05:30:01 1 0.27 0.00 0.19 0.02 0.04 99.48 05:40:16 all 0.32 0.00 0.07 0.01 0.03 99.57 05:40:16 0 0.55 0.00 0.05 0.01 0.02 99.36 05:40:16 1 0.09 0.00 0.09 0.00 0.04 99.78 05:50:17 all 0.24 0.00 0.08 0.01 0.03 99.64 05:50:17 0 0.44 0.00 0.06 0.02 0.02 99.46 05:50:17 1 0.05 0.00 0.10 0.01 0.03 99.81 06:00:01 all 0.26 0.00 0.17 0.04 0.03 99.49 06:00:01 0 0.22 0.00 0.16 0.08 0.03 99.51 06:00:01 1 0.31 0.00 0.18 0.01 0.03 99.47 06:10:15 all 0.24 0.00 0.08 0.01 0.03 99.64 06:10:15 0 0.31 0.00 0.07 0.00 0.02 99.59 06:10:15 1 0.17 0.00 0.09 0.01 0.03 99.70 06:20:20 all 0.39 0.00 0.12 0.02 0.03 99.44 06:20:20 0 0.43 0.00 0.07 0.00 0.02 99.47 06:20:20 1 0.35 0.00 0.16 0.03 0.04 99.41 06:30:01 all 15.64 0.00 2.31 0.81 0.06 81.19 06:30:01 0 18.64 0.00 2.52 1.08 0.06 77.70 06:30:01 1 12.64 0.00 2.09 0.54 0.06 84.67 Average: all 2.42 0.00 0.42 0.13 0.03 96.99 Average: 0 2.91 0.00 0.43 0.17 0.03 96.45 Average: 1 1.93 0.00 0.40 0.09 0.04 97.54