---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16657 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 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 746 5302 4 2181 7195 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:01:5f:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80447sec preferred_lft 80447sec inet6 fe80::f816:3eff:fe01:5f71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16657) 05/19/26 _x86_64_ (2 CPU) 01:47:47 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.48 0.03 1.44 0.01 1.28 17.56 448.37 02:10:18 1.27 0.01 1.26 0.00 0.05 15.44 0.12 02:20:38 13.38 0.00 1.25 12.13 0.15 14.67 105621.86 02:30:01 1.90 0.27 1.60 0.02 34.15 79.28 464.82 02:40:18 1.21 0.00 1.21 0.00 0.00 14.73 0.00 02:50:06 1.62 0.41 1.21 0.00 16.14 47.19 0.01 03:00:01 22.21 2.65 17.32 2.25 214.07 3169.32 724.36 03:10:18 1.35 0.00 1.34 0.02 0.00 16.28 1.28 03:20:18 1.44 0.00 1.43 0.01 0.00 16.85 1.08 Average: 5.12 0.37 3.10 1.65 29.06 373.28 12308.03 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6296448 7542512 277820 3.42 30552 1421404 520676 5.67 441484 1183268 156 02:10:18 6296448 7543048 277288 3.41 30756 1421736 520676 5.67 441656 1183804 132 02:20:38 6298412 7545548 274728 3.38 30916 1422104 520816 5.67 441640 1184300 124 02:30:01 6253416 7527624 292116 3.59 31304 1448412 520812 5.67 450892 1201916 188 02:40:18 6272240 7546960 272808 3.35 31464 1448744 520880 5.67 453368 1202416 128 02:50:06 6244300 7534196 285228 3.51 31776 1463544 538080 5.86 477452 1215872 412 03:00:01 5293296 7412948 358224 4.40 85172 2198552 622624 6.78 590660 1960248 268 03:10:18 5292292 7412472 358736 4.41 85352 2198904 622688 6.78 590724 1960780 220 03:20:18 5291636 7412308 358964 4.41 85492 2199256 622688 6.78 590764 1961272 124 Average: 5948721 7497513 306212 3.77 49198 1691406 556660 6.06 497627 1450431 195 01:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.82 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:38 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.56 0.25 4.29 0.03 0.00 0.00 0.00 0.00 02:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.29 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 8.03 4.58 20.25 3.10 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 55.34 37.32 287.05 8.34 0.00 0.00 0.00 0.00 03:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:18 ens3 1.25 0.13 0.14 0.03 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 1.15 0.15 3.04 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 7.50 4.69 34.66 1.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16657) 05/19/26 _x86_64_ (2 CPU) 01:47:47 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.16 0.01 0.03 99.52 02:00:01 0 0.47 0.00 0.14 0.01 0.02 99.36 02:00:01 1 0.10 0.00 0.19 0.01 0.03 99.68 02:10:18 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:18 0 0.16 0.00 0.08 0.02 0.02 99.71 02:10:18 1 0.37 0.00 0.07 0.00 0.02 99.54 02:20:38 all 0.26 0.00 0.09 0.04 0.02 99.60 02:20:38 0 0.08 0.00 0.11 0.07 0.02 99.72 02:20:38 1 0.45 0.00 0.06 0.00 0.02 99.47 02:30:01 all 0.40 0.00 0.20 0.02 0.02 99.37 02:30:01 0 0.58 0.00 0.21 0.04 0.02 99.16 02:30:01 1 0.22 0.00 0.18 0.00 0.02 99.58 02:40:18 all 0.28 0.00 0.07 0.01 0.02 99.62 02:40:18 0 0.40 0.00 0.07 0.01 0.02 99.51 02:40:18 1 0.16 0.00 0.08 0.00 0.02 99.73 02:50:06 all 0.53 0.00 0.10 0.01 0.02 99.34 02:50:06 0 0.71 0.00 0.09 0.02 0.01 99.17 02:50:06 1 0.36 0.00 0.11 0.01 0.02 99.51 03:00:01 all 11.53 0.00 1.86 0.56 0.06 86.00 03:00:01 0 10.13 0.00 1.77 0.58 0.06 87.47 03:00:01 1 12.93 0.00 1.94 0.54 0.06 84.54 03:10:18 all 0.42 0.00 0.13 0.01 0.03 99.41 03:10:18 0 0.54 0.00 0.05 0.00 0.02 99.38 03:10:18 1 0.30 0.00 0.20 0.01 0.05 99.43 03:20:18 all 0.40 0.00 0.12 0.01 0.03 99.44 03:20:18 0 0.47 0.00 0.11 0.01 0.03 99.38 03:20:18 1 0.34 0.00 0.13 0.00 0.04 99.49 Average: all 1.58 0.00 0.31 0.07 0.03 98.01 Average: 0 1.49 0.00 0.29 0.08 0.02 98.12 Average: 1 1.68 0.00 0.33 0.06 0.03 97.90