---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4126 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 751 5164 4 2322 7190 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:8f:f7:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78365sec preferred_lft 78365sec inet6 fe80::f816:3eff:fe8f:f70c/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-4126) 04/18/26 _x86_64_ (2 CPU) 00:37:19 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 1.30 0.02 1.27 0.00 1.24 15.48 0.12 01:00:03 1.39 0.01 1.36 0.02 0.05 16.86 662.56 01:10:12 1.16 0.00 1.16 0.00 0.00 14.03 0.12 01:20:11 13.82 0.01 1.28 12.54 0.16 15.54 109208.50 01:30:03 2.01 0.32 1.66 0.03 40.66 75.67 442.26 01:40:14 1.22 0.00 1.22 0.00 0.00 14.67 0.00 01:50:00 1.66 0.41 1.23 0.02 16.19 47.40 1.24 02:00:14 22.12 2.57 17.37 2.18 207.79 3021.07 1060.43 02:10:15 1.36 0.00 1.33 0.02 0.00 21.46 1.29 02:20:15 1.51 0.00 1.49 0.02 0.00 19.33 1.20 02:30:03 16.21 13.82 2.29 0.10 153.85 172.73 413.42 02:40:16 1.36 0.00 1.34 0.02 0.00 30.71 1.62 02:50:16 4.05 0.04 3.18 0.82 1.43 253.46 2322.78 Average: 5.33 1.30 2.81 1.22 32.45 290.92 8769.37 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6296056 7543264 277144 3.41 30556 1422332 533684 5.81 439720 1183208 156 01:00:03 6294324 7542084 278360 3.42 30756 1422664 533676 5.81 440040 1183748 180 01:10:12 6293820 7542080 278336 3.42 30928 1422996 533676 5.81 440356 1184244 160 01:20:11 6294292 7543120 277276 3.41 31112 1423372 533876 5.81 441048 1184776 164 01:30:03 6246388 7524600 295188 3.63 31488 1451968 533968 5.82 452440 1202248 252 01:40:14 6254004 7532720 287068 3.53 31672 1452288 534124 5.82 452696 1202748 188 01:50:00 6227444 7521240 298192 3.67 32008 1466960 550896 6.00 491624 1216236 340 02:00:14 5165264 7278832 492612 6.06 85372 2192264 683556 7.45 649984 1950876 132 02:10:15 5252384 7368032 403412 4.96 85512 2194204 642348 7.00 600728 1952956 168 02:20:15 5267420 7384264 387252 4.76 85696 2195220 662764 7.22 620520 1954156 124 02:30:03 5159648 7369520 393008 4.83 89116 2276460 651680 7.10 609728 2038080 852 02:40:16 5140684 7354836 407636 5.01 89308 2280492 653024 7.11 611324 2042304 192 02:50:16 5329656 7396228 375472 4.62 90784 2139748 623408 6.79 615508 1902756 23604 Average: 5786260 7453909 342381 4.21 57254 1795459 590052 6.43 528132 1553718 2039 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 1.14 0.09 0.17 0.06 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.41 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.57 0.08 0.11 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.56 0.26 0.15 0.58 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.53 0.25 3.16 0.05 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.42 0.10 0.14 0.08 0.00 0.00 0.00 0.00 01:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 8.77 5.28 20.37 2.88 0.00 0.00 0.00 0.00 02:00:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:14 ens3 63.07 49.08 409.56 9.59 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 15.10 13.81 140.26 1.20 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 3.13 2.71 5.06 0.47 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 17.23 16.40 189.41 1.73 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 20.87 19.71 219.76 1.93 0.00 0.00 0.00 0.00 02:50:16 lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 02:50:16 ens3 15.86 13.41 70.51 8.98 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 11.46 9.41 82.17 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4126) 04/18/26 _x86_64_ (2 CPU) 00:37:19 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.27 0.00 0.09 0.04 0.02 99.59 00:50:11 0 0.26 0.00 0.07 0.04 0.02 99.60 00:50:11 1 0.27 0.00 0.10 0.03 0.02 99.58 01:00:03 all 0.29 0.00 0.17 0.04 0.03 99.46 01:00:03 0 0.25 0.00 0.18 0.05 0.03 99.50 01:00:03 1 0.34 0.00 0.17 0.04 0.03 99.43 01:10:12 all 0.26 0.00 0.07 0.02 0.02 99.62 01:10:12 0 0.44 0.00 0.06 0.03 0.02 99.45 01:10:12 1 0.08 0.00 0.08 0.02 0.03 99.79 01:20:11 all 0.27 0.00 0.08 0.05 0.03 99.57 01:20:11 0 0.35 0.00 0.08 0.05 0.02 99.50 01:20:11 1 0.18 0.00 0.09 0.05 0.03 99.65 01:30:03 all 0.39 0.00 0.17 0.04 0.03 99.37 01:30:03 0 0.41 0.00 0.17 0.02 0.02 99.37 01:30:03 1 0.37 0.00 0.17 0.06 0.03 99.37 01:40:14 all 0.17 0.00 0.07 0.02 0.02 99.72 01:40:14 0 0.26 0.00 0.05 0.02 0.01 99.66 01:40:14 1 0.08 0.00 0.08 0.03 0.03 99.78 01:50:00 all 0.49 0.00 0.09 0.04 0.02 99.35 01:50:00 0 0.63 0.00 0.08 0.01 0.02 99.26 01:50:00 1 0.36 0.00 0.10 0.08 0.03 99.43 02:00:14 all 10.79 0.00 1.79 1.71 0.06 85.65 02:00:14 0 10.74 0.00 1.83 0.91 0.06 86.47 02:00:14 1 10.84 0.00 1.74 2.52 0.07 84.83 02:10:15 all 0.86 0.00 0.21 0.04 0.05 98.84 02:10:15 0 0.67 0.00 0.16 0.07 0.04 99.07 02:10:15 1 1.05 0.00 0.27 0.01 0.07 98.61 02:20:15 all 7.13 0.00 0.65 0.10 0.08 92.03 02:20:15 0 5.29 0.00 0.52 0.08 0.08 94.03 02:20:15 1 9.01 0.00 0.78 0.13 0.08 90.00 02:30:03 all 2.31 0.24 0.52 0.83 0.06 96.04 02:30:03 0 2.78 0.43 0.69 1.55 0.07 94.47 02:30:03 1 1.84 0.04 0.35 0.12 0.04 97.61 02:30:03 CPU %user %nice %system %iowait %steal %idle 02:40:16 all 1.65 0.00 0.34 0.06 0.05 97.90 02:40:16 0 1.29 0.00 0.27 0.04 0.04 98.36 02:40:16 1 2.02 0.00 0.40 0.09 0.06 97.44 02:50:16 all 3.15 0.00 0.44 0.69 0.05 95.68 02:50:16 0 4.52 0.00 0.53 0.50 0.06 94.39 02:50:16 1 1.78 0.00 0.35 0.87 0.04 96.97 Average: all 2.16 0.02 0.36 0.29 0.04 97.14 Average: 0 2.15 0.03 0.36 0.26 0.04 97.16 Average: 1 2.17 0.00 0.36 0.31 0.04 97.11