---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66656 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 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 789 5160 4 2280 7152 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:37:5b:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77654sec preferred_lft 77654sec inet6 fe80::f816:3eff:fe37:5b9d/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-66656) 04/05/26 _x86_64_ (2 CPU) 01:58:14 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.40 0.03 1.37 0.00 1.24 16.55 0.12 02:20:02 1.40 0.01 1.39 0.00 0.07 16.09 0.12 02:30:03 1.60 0.00 1.58 0.02 0.00 18.57 871.39 02:40:03 1.31 0.00 1.31 0.00 0.00 15.10 0.00 02:50:03 1.32 0.00 1.32 0.00 0.00 15.30 0.00 03:00:04 2.07 0.31 1.73 0.02 38.96 75.24 870.13 03:10:04 1.31 0.00 1.29 0.02 0.00 15.32 1.08 03:20:04 35.33 3.03 17.52 14.78 227.86 3130.21 110152.83 03:30:05 1.75 0.01 1.71 0.04 0.57 38.58 1.65 03:40:06 1.34 0.00 1.32 0.02 0.00 21.23 1.26 03:50:06 1.37 0.00 1.35 0.02 0.00 129.30 1.53 04:00:05 1.66 0.00 1.63 0.04 0.00 33.15 398.40 04:10:06 1.42 0.00 1.38 0.04 0.20 62.82 791.04 04:20:07 1.53 0.00 1.50 0.03 0.00 23.57 395.04 Average: 3.92 0.24 2.60 1.07 19.21 257.89 8104.38 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6304036 7550672 269800 3.32 30524 1421804 529912 5.77 438184 1182972 176 02:20:02 6310380 7557544 262916 3.23 30716 1422132 529912 5.77 438276 1183492 232 02:30:03 6304876 7552580 267884 3.29 30904 1422464 530012 5.77 438236 1184008 232 02:40:03 6304876 7553060 267408 3.29 31056 1422780 530076 5.77 438488 1184484 184 02:50:03 6308956 7557644 262848 3.23 31220 1423112 530068 5.77 438516 1184980 188 03:00:04 6255872 7533448 286412 3.52 31628 1451196 727932 7.93 456012 1202280 216 03:10:04 6255620 7533724 286124 3.52 31824 1451524 727932 7.93 456020 1202800 260 03:20:04 5350268 7458972 312648 3.84 85300 2187448 752772 8.20 555612 1946620 2620 03:30:05 5258880 7370404 401116 4.93 85504 2190136 834284 9.09 602792 1949504 280 03:40:06 5249496 7362992 408544 5.02 85672 2191932 854344 9.31 622436 1951476 216 03:50:06 5207740 7355996 415480 5.11 85892 2226428 877392 9.56 644832 1986056 240 04:00:05 5202264 7354632 416788 5.12 86068 2230300 845916 9.21 613204 1990112 460 04:10:06 5167108 7333908 437336 5.38 86264 2244336 866896 9.44 633652 2004344 400 04:20:07 5137368 7306088 465124 5.72 86456 2246040 891228 9.71 658972 2006240 168 Average: 5758410 7455833 340031 4.18 58502 1823688 716334 7.80 531088 1582812 419 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.73 0.04 0.17 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.57 0.03 0.08 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.60 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.49 0.07 0.13 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.23 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:00:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.57 0.28 3.10 0.07 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:20:04 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 03:20:04 ens3 67.61 45.54 298.05 11.46 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 22.94 18.53 224.16 2.18 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 9.07 8.22 61.25 0.90 0.00 0.00 0.00 0.00 03:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:06 ens3 5.57 3.95 45.12 0.30 0.00 0.00 0.00 0.00 04:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:05 ens3 13.90 13.31 141.20 1.60 0.00 0.00 0.00 0.00 04:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:06 ens3 11.82 10.74 120.38 1.33 0.00 0.00 0.00 0.00 04:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:07 ens3 12.35 11.46 139.56 1.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.55 8.02 73.82 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66656) 04/05/26 _x86_64_ (2 CPU) 01:58:14 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.27 0.00 0.09 0.03 0.04 99.58 02:10:02 0 0.31 0.00 0.07 0.03 0.03 99.56 02:10:02 1 0.23 0.00 0.11 0.02 0.04 99.59 02:20:02 all 0.24 0.00 0.07 1.74 0.03 97.91 02:20:02 0 0.43 0.00 0.05 2.20 0.02 97.30 02:20:02 1 0.06 0.00 0.10 1.29 0.04 98.52 02:30:03 all 0.25 0.00 0.16 0.05 0.03 99.52 02:30:03 0 0.42 0.00 0.15 0.06 0.02 99.35 02:30:03 1 0.07 0.00 0.18 0.03 0.04 99.68 02:40:03 all 0.27 0.00 0.07 0.36 0.03 99.27 02:40:03 0 0.48 0.00 0.05 0.48 0.02 98.97 02:40:03 1 0.06 0.00 0.10 0.25 0.03 99.57 02:50:03 all 0.28 0.00 0.08 0.05 0.02 99.58 02:50:03 0 0.49 0.00 0.05 0.06 0.02 99.38 02:50:03 1 0.06 0.00 0.10 0.03 0.03 99.78 03:00:04 all 0.43 0.00 0.22 0.06 0.02 99.26 03:00:04 0 0.58 0.00 0.25 0.10 0.02 99.05 03:00:04 1 0.28 0.00 0.19 0.03 0.03 99.47 03:10:04 all 0.28 0.00 0.09 0.02 0.03 99.60 03:10:04 0 0.19 0.00 0.09 0.02 0.03 99.67 03:10:04 1 0.36 0.00 0.08 0.01 0.03 99.52 03:20:04 all 10.80 0.00 1.72 1.26 0.05 86.18 03:20:04 0 15.31 0.00 2.12 1.53 0.05 80.99 03:20:04 1 6.30 0.00 1.32 0.98 0.04 91.36 03:30:05 all 1.26 0.00 0.39 0.04 0.06 98.26 03:30:05 0 1.48 0.00 0.47 0.05 0.07 97.94 03:30:05 1 1.03 0.00 0.31 0.03 0.05 98.58 03:40:06 all 2.68 0.00 0.40 0.02 0.06 96.84 03:40:06 0 3.48 0.00 0.46 0.01 0.06 95.99 03:40:06 1 1.88 0.00 0.34 0.04 0.07 97.68 03:50:06 all 7.11 0.00 0.80 0.04 0.08 91.97 03:50:06 0 8.42 0.00 0.90 0.05 0.08 90.55 03:50:06 1 5.83 0.00 0.69 0.03 0.07 93.37 03:50:06 CPU %user %nice %system %iowait %steal %idle 04:00:05 all 1.70 0.00 0.35 0.03 0.05 97.86 04:00:05 0 1.83 0.00 0.39 0.01 0.06 97.71 04:00:05 1 1.57 0.00 0.31 0.05 0.05 98.02 04:10:06 all 2.45 0.00 0.46 0.04 0.05 97.00 04:10:06 0 3.89 0.00 0.73 0.04 0.07 95.29 04:10:06 1 1.02 0.00 0.19 0.05 0.04 98.71 04:20:07 all 0.83 0.00 0.21 0.04 0.05 98.86 04:20:07 0 1.02 0.00 0.25 0.02 0.05 98.66 04:20:07 1 0.65 0.00 0.18 0.06 0.05 99.07 Average: all 2.05 0.00 0.36 0.27 0.04 97.28 Average: 0 2.72 0.00 0.43 0.33 0.04 96.48 Average: 1 1.38 0.00 0.30 0.21 0.04 98.08