---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7883 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 772 5176 4 2282 7169 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:ab:98:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78312sec preferred_lft 78312sec inet6 fe80::f816:3eff:feab:9852/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7883) 04/25/26 _x86_64_ (2 CPU) 01:52:34 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 1.17 0.01 1.15 0.02 0.05 14.48 1.08 02:20:06 1.79 0.32 1.44 0.03 39.03 72.84 1.37 02:30:01 14.14 0.00 1.47 12.67 0.15 18.12 110478.81 02:40:06 1.19 0.00 1.19 0.00 0.00 14.58 0.00 02:50:06 1.23 0.00 1.23 0.00 0.00 14.89 0.00 03:00:01 1.46 0.00 1.45 0.01 0.00 17.86 439.05 03:10:06 23.54 3.01 18.35 2.18 226.43 3118.35 563.43 03:20:06 1.34 0.00 1.33 0.00 0.00 21.29 0.08 03:30:01 1.48 0.00 1.47 0.02 0.00 21.61 0.23 03:40:06 1.39 0.00 1.39 0.00 0.00 136.43 392.82 03:50:06 1.32 0.01 1.32 0.00 0.20 65.00 0.00 04:00:01 1.52 0.00 1.50 0.03 0.00 24.38 0.42 Average: 4.30 0.28 2.78 1.24 22.30 297.03 9246.10 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 6284104 7530356 289920 3.56 30660 1421240 533584 5.81 451884 1183348 236 02:20:06 6246316 7521600 298060 3.67 31052 1449520 736048 8.02 468984 1200956 216 02:30:01 6252440 7528372 291076 3.58 31264 1449904 736336 8.02 469268 1201524 128 02:40:06 6252440 7528872 290572 3.57 31428 1450232 736400 8.02 469356 1202016 228 02:50:06 6251432 7528484 290948 3.58 31588 1450684 736400 8.02 469804 1202500 200 03:00:01 6238104 7515672 303712 3.73 31764 1451012 736628 8.02 470508 1203004 260 03:10:06 5271468 7385360 385728 4.74 85148 2192696 837536 9.12 603852 1952516 256 03:20:06 5259784 7375804 395304 4.86 85300 2194684 846308 9.22 604468 1954648 540 03:30:01 5244044 7361208 409856 5.04 85420 2195704 864880 9.42 623148 1955796 288 03:40:06 5207636 7361344 409628 5.04 85556 2232028 870572 9.48 627892 1992124 224 03:50:06 5196068 7365076 405696 4.99 85692 2246996 878344 9.57 635696 2007232 204 04:00:01 5137512 7308680 462056 5.68 85832 2248984 903044 9.84 659836 2009360 616 Average: 5736779 7442569 352713 4.34 58392 1831974 784673 8.55 546225 1588752 283 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.58 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.51 0.20 3.12 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 1.07 0.07 0.14 0.03 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.44 0.12 0.15 0.08 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.24 0.05 0.07 0.03 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 0.45 0.24 0.15 0.63 0.00 0.00 0.00 0.00 03:10:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:06 ens3 76.77 53.57 408.79 12.16 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 16.57 15.21 168.04 1.28 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 3.85 2.75 5.21 0.51 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 16.34 14.63 155.96 1.64 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 7.78 7.11 37.77 1.19 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 21.47 20.24 253.43 1.63 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 12.22 9.55 86.27 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7883) 04/25/26 _x86_64_ (2 CPU) 01:52:34 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.23 0.00 0.08 0.01 0.03 99.65 02:10:06 0 0.05 0.00 0.09 0.01 0.04 99.81 02:10:06 1 0.42 0.00 0.07 0.01 0.03 99.48 02:20:06 all 0.40 0.00 0.10 0.04 0.04 99.42 02:20:06 0 0.23 0.00 0.13 0.02 0.04 99.59 02:20:06 1 0.58 0.00 0.08 0.06 0.03 99.26 02:30:01 all 0.30 0.00 0.18 0.03 0.03 99.46 02:30:01 0 0.27 0.00 0.18 0.02 0.03 99.50 02:30:01 1 0.33 0.00 0.18 0.05 0.03 99.41 02:40:06 all 0.26 0.00 0.08 0.01 0.03 99.62 02:40:06 0 0.06 0.00 0.08 0.00 0.03 99.83 02:40:06 1 0.47 0.00 0.07 0.02 0.03 99.41 02:50:06 all 0.26 0.00 0.08 0.01 0.03 99.63 02:50:06 0 0.06 0.00 0.10 0.00 0.03 99.81 02:50:06 1 0.45 0.00 0.07 0.01 0.02 99.44 03:00:01 all 0.35 0.00 0.17 0.01 0.03 99.45 03:00:01 0 0.20 0.00 0.18 0.01 0.03 99.57 03:00:01 1 0.49 0.00 0.15 0.01 0.02 99.33 03:10:06 all 11.23 0.00 1.76 0.51 0.07 86.43 03:10:06 0 10.79 0.00 1.80 0.52 0.07 86.81 03:10:06 1 11.68 0.00 1.71 0.50 0.06 86.04 03:20:06 all 0.90 0.00 0.23 0.01 0.06 98.79 03:20:06 0 0.98 0.00 0.23 0.01 0.07 98.71 03:20:06 1 0.82 0.00 0.24 0.01 0.06 98.88 03:30:01 all 6.71 0.00 0.68 0.01 0.08 92.52 03:30:01 0 5.03 0.00 0.56 0.01 0.08 94.33 03:30:01 1 8.43 0.00 0.81 0.01 0.08 90.67 03:40:06 all 3.17 0.00 0.38 0.01 0.06 96.38 03:40:06 0 4.77 0.00 0.46 0.01 0.05 94.70 03:40:06 1 1.59 0.00 0.31 0.01 0.07 98.02 03:50:06 all 2.80 0.00 0.45 0.01 0.06 96.68 03:50:06 0 2.85 0.00 0.42 0.01 0.06 96.67 03:50:06 1 2.74 0.00 0.48 0.01 0.06 96.70 03:50:06 CPU %user %nice %system %iowait %steal %idle 04:00:01 all 1.04 0.00 0.35 0.01 0.06 98.54 04:00:01 0 0.74 0.00 0.21 0.01 0.04 99.00 04:00:01 1 1.33 0.00 0.50 0.01 0.09 98.07 Average: all 2.29 0.00 0.38 0.06 0.05 97.22 Average: 0 2.16 0.00 0.37 0.05 0.05 97.37 Average: 1 2.42 0.00 0.39 0.06 0.05 97.08