---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21117 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 8.0G 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 803 5059 4 2379 7138 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:e2:8d:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79436sec preferred_lft 79436sec inet6 fe80::f816:3eff:fee2:8dbb/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-21117) 05/29/26 _x86_64_ (2 CPU) 06:59:02 LINUX RESTART (2 CPU) 07:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:01 1.56 0.03 1.52 0.01 1.27 18.33 219.26 07:20:01 1.41 0.01 1.40 0.00 0.07 16.57 0.12 07:30:04 2.04 0.26 1.76 0.03 31.83 77.07 649.72 07:40:01 14.01 0.00 1.37 12.64 0.15 16.20 109765.77 07:50:01 1.31 0.00 1.29 0.02 0.00 15.61 1.20 08:00:04 1.62 0.00 1.59 0.03 0.00 19.60 1.52 08:10:01 1.37 0.00 1.37 0.00 0.00 15.84 0.24 08:20:01 1.47 0.00 1.47 0.01 0.00 17.97 0.08 08:30:04 27.13 3.17 21.62 2.34 231.51 3514.76 1797.72 08:40:04 15.65 13.53 2.07 0.06 149.83 72.12 9.00 08:50:01 1.40 0.00 1.36 0.04 0.35 63.79 0.30 Average: 6.28 1.55 3.36 1.37 37.90 352.05 10169.92 07:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 6294804 7541296 279384 3.44 30524 1421664 519956 5.66 444780 1183000 124 07:20:01 6291844 7538864 281804 3.47 30716 1421992 519956 5.66 445028 1183520 124 07:30:04 6258516 7532748 287464 3.53 31088 1448440 520224 5.67 454640 1201264 200 07:40:01 6258268 7533084 287080 3.53 31292 1448812 520224 5.67 454704 1201812 124 07:50:01 6258268 7533636 286520 3.52 31508 1449140 520304 5.67 454800 1202356 188 08:00:04 6255756 7531824 288304 3.55 31740 1449596 520304 5.67 455136 1202908 232 08:10:01 6263344 7539904 280232 3.45 31900 1449920 520424 5.67 455304 1203400 240 08:20:01 6262456 7539548 280556 3.45 32096 1450248 520488 5.67 455448 1203924 240 08:30:04 5216540 7411904 355816 4.38 87540 2268420 635272 6.92 594044 2031656 232 08:40:04 5121400 7380408 378580 4.66 90656 2320824 653024 7.11 612340 2086560 428 08:50:01 5083608 7356712 402316 4.95 90868 2334688 690908 7.53 641724 2100396 216 Average: 5960437 7494539 309823 3.81 47266 1678522 558280 6.08 497086 1436436 213 07:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 1.38 0.12 0.34 0.06 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.78 0.11 0.18 0.09 0.00 0.00 0.00 0.00 07:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:30:04 ens3 1.37 0.39 6.13 0.17 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.37 0.03 0.39 0.01 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.30 0.21 0.05 0.66 0.00 0.00 0.00 0.00 08:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:00:04 ens3 0.32 0.09 0.10 0.09 0.00 0.00 0.00 0.00 08:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:10:01 ens3 0.40 0.10 0.14 0.08 0.00 0.00 0.00 0.00 08:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:20:01 ens3 0.37 0.11 0.12 0.06 0.00 0.00 0.00 0.00 08:30:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:30:04 ens3 45.85 31.96 310.48 8.59 0.00 0.00 0.00 0.00 08:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:40:04 ens3 9.69 6.34 1.60 2.57 0.00 0.00 0.00 0.00 08:50:01 lo 0.98 0.98 0.05 0.05 0.00 0.00 0.00 0.00 08:50:01 ens3 14.30 12.71 2.58 4.38 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 6.85 4.76 29.48 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21117) 05/29/26 _x86_64_ (2 CPU) 06:59:02 LINUX RESTART (2 CPU) 07:00:03 CPU %user %nice %system %iowait %steal %idle 07:10:01 all 0.32 0.00 0.19 2.64 0.03 96.82 07:10:01 0 0.22 0.00 0.20 0.02 0.03 99.54 07:10:01 1 0.43 0.00 0.19 5.26 0.02 94.10 07:20:01 all 0.28 0.00 0.08 0.04 0.03 99.58 07:20:01 0 0.13 0.00 0.09 0.02 0.03 99.73 07:20:01 1 0.43 0.00 0.07 0.05 0.02 99.42 07:30:04 all 0.40 0.00 0.21 0.02 0.03 99.34 07:30:04 0 0.39 0.00 0.16 0.01 0.02 99.42 07:30:04 1 0.41 0.00 0.26 0.03 0.03 99.27 07:40:01 all 0.25 0.00 0.09 0.04 0.03 99.59 07:40:01 0 0.05 0.00 0.10 0.05 0.02 99.77 07:40:01 1 0.45 0.00 0.09 0.03 0.03 99.41 07:50:01 all 0.25 0.00 0.07 0.01 0.03 99.64 07:50:01 0 0.06 0.00 0.09 0.00 0.03 99.82 07:50:01 1 0.44 0.00 0.05 0.01 0.02 99.47 08:00:04 all 0.21 0.00 0.16 0.03 0.03 99.57 08:00:04 0 0.08 0.00 0.16 0.01 0.03 99.71 08:00:04 1 0.33 0.00 0.16 0.05 0.03 99.43 08:10:01 all 0.23 0.00 0.08 0.02 0.02 99.65 08:10:01 0 0.07 0.00 0.09 0.00 0.03 99.81 08:10:01 1 0.40 0.00 0.06 0.03 0.02 99.49 08:20:01 all 0.27 0.00 0.09 0.04 0.02 99.58 08:20:01 0 0.22 0.00 0.10 0.03 0.02 99.63 08:20:01 1 0.32 0.00 0.09 0.04 0.02 99.53 08:30:04 all 12.85 0.00 1.93 3.56 0.06 81.60 08:30:04 0 16.73 0.00 2.29 4.65 0.06 76.27 08:30:04 1 8.96 0.00 1.57 2.48 0.06 86.93 08:40:04 all 3.20 0.19 0.34 0.16 0.05 96.06 08:40:04 0 4.86 0.01 0.32 0.01 0.06 94.75 08:40:04 1 1.53 0.37 0.36 0.31 0.05 97.38 08:50:01 all 5.63 0.00 0.57 1.04 0.06 92.70 08:50:01 0 6.61 0.00 0.54 0.16 0.06 92.64 08:50:01 1 4.66 0.00 0.59 1.93 0.06 92.76 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.17 0.02 0.35 0.69 0.03 96.74 Average: 0 2.68 0.00 0.38 0.45 0.03 96.46 Average: 1 1.67 0.03 0.32 0.93 0.03 97.02