---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4169 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 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 791 5162 4 2276 7150 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:6a:dc:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80791sec preferred_lft 80791sec inet6 fe80::f816:3eff:fe6a:dc89/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4169) 04/18/26 _x86_64_ (2 CPU) 01:56:36 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.38 0.02 1.36 0.00 1.24 16.09 0.12 02:20:02 14.49 0.33 1.64 12.53 39.16 74.28 109001.77 02:30:01 1.54 0.01 1.52 0.02 1.05 19.30 872.41 02:40:01 1.16 0.00 1.15 0.01 0.00 14.52 1.08 02:50:02 1.14 0.00 1.12 0.02 0.00 14.55 1.21 03:00:01 1.42 0.00 1.39 0.03 0.00 18.11 874.00 03:10:01 23.23 3.02 17.99 2.22 228.19 3159.93 516.31 03:20:02 1.45 0.00 1.44 0.00 0.35 63.53 0.05 03:30:01 6.95 0.08 5.13 1.75 5.80 552.44 2069.74 Average: 5.87 0.38 3.64 1.84 30.65 436.96 12611.78 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6309140 7556428 264300 3.25 30576 1422400 521120 5.68 444584 1183152 160 02:20:02 6249888 7526140 293748 3.61 30952 1450604 720624 7.85 461840 1200636 276 02:30:01 6250244 7527372 292596 3.60 31164 1451240 521264 5.68 456340 1201172 152 02:40:01 6256680 7534332 285640 3.51 31356 1451564 523256 5.70 459544 1201692 124 02:50:02 6255796 7534132 285832 3.51 31572 1452024 523312 5.70 459728 1202240 224 03:00:01 6250800 7529700 290256 3.57 31784 1452348 523416 5.70 460444 1202776 276 03:10:01 5294844 7410796 360948 4.44 84940 2195072 628384 6.84 602448 1953100 212 03:20:02 5279140 7409456 362272 4.45 85068 2209316 640560 6.98 605572 1967360 640 03:30:01 5257184 7292412 488024 6.00 88508 2118552 710288 7.74 717916 1878532 29100 Average: 5933746 7480085 324846 3.99 49547 1689236 590247 6.43 518713 1443407 3463 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.05 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.63 0.21 3.09 0.03 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 0.38 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.53 0.09 0.13 0.06 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.46 0.20 0.13 0.60 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 70.99 48.51 300.92 11.74 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 37.84 33.56 8.82 4.79 0.00 0.00 0.00 0.00 03:30:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 03:30:01 ens3 34.33 29.05 27.65 20.17 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 16.28 12.42 37.89 4.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4169) 04/18/26 _x86_64_ (2 CPU) 01:56:36 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.07 0.01 0.03 99.61 02:10:01 0 0.47 0.00 0.05 0.01 0.02 99.45 02:10:01 1 0.09 0.00 0.10 0.02 0.04 99.76 02:20:02 all 0.38 0.00 0.12 0.06 0.03 99.42 02:20:02 0 0.23 0.00 0.10 0.02 0.03 99.62 02:20:02 1 0.52 0.00 0.13 0.10 0.03 99.22 02:30:01 all 0.26 0.00 0.17 0.02 0.03 99.53 02:30:01 0 0.32 0.00 0.16 0.03 0.02 99.46 02:30:01 1 0.20 0.00 0.17 0.00 0.03 99.59 02:40:01 all 0.25 0.00 0.08 0.12 0.03 99.52 02:40:01 0 0.32 0.00 0.08 0.17 0.03 99.41 02:40:01 1 0.18 0.00 0.08 0.08 0.03 99.63 02:50:02 all 0.26 0.00 0.07 0.01 0.02 99.63 02:50:02 0 0.45 0.00 0.06 0.02 0.02 99.45 02:50:02 1 0.06 0.00 0.09 0.01 0.03 99.81 03:00:01 all 0.28 0.00 0.17 0.03 0.02 99.49 03:00:01 0 0.27 0.00 0.16 0.01 0.02 99.53 03:00:01 1 0.29 0.00 0.19 0.04 0.02 99.45 03:10:01 all 14.13 0.00 1.93 1.56 0.07 82.31 03:10:01 0 13.93 0.00 1.88 1.23 0.07 82.89 03:10:01 1 14.34 0.00 1.98 1.88 0.07 81.74 03:20:02 all 6.26 0.00 0.57 0.01 0.05 93.11 03:20:02 0 7.52 0.00 0.60 0.01 0.06 91.82 03:20:02 1 5.01 0.00 0.54 0.02 0.05 94.39 03:30:01 all 12.91 0.00 1.06 0.12 0.06 85.85 03:30:01 0 14.55 0.00 1.09 0.06 0.06 84.24 03:30:01 1 11.26 0.00 1.03 0.18 0.06 87.47 Average: all 3.87 0.00 0.47 0.22 0.04 95.40 Average: 0 4.21 0.00 0.46 0.17 0.04 95.12 Average: 1 3.54 0.00 0.48 0.26 0.04 95.69