---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11866 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: 5599.86 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 8.2G 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 754 4964 4 2514 7187 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:ba:57:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78310sec preferred_lft 78310sec inet6 fe80::f816:3eff:feba:5737/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11866) 05/08/26 _x86_64_ (2 CPU) 00:36:41 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.58 0.03 1.54 0.01 2.29 24.91 0.77 01:00:05 1.56 0.01 1.52 0.03 0.05 18.93 872.17 01:10:01 1.30 0.00 1.28 0.01 0.00 15.32 0.97 01:20:02 1.32 0.00 1.31 0.01 0.01 16.67 217.60 01:30:05 13.89 0.00 1.40 12.48 0.15 17.96 109359.81 01:40:02 1.15 0.00 1.15 0.00 0.00 14.80 0.00 01:50:05 1.61 0.40 1.21 0.00 15.69 46.08 0.00 02:00:05 22.14 2.78 17.16 2.20 217.02 3113.87 604.50 02:10:01 1.22 0.00 1.22 0.00 0.00 15.58 0.00 02:20:05 1.37 0.00 1.35 0.01 0.00 122.84 0.85 02:30:05 1.78 0.00 1.74 0.04 0.00 399.98 3.93 02:40:01 1.39 0.00 1.37 0.02 0.00 40.02 3.05 02:50:02 1.35 0.00 1.34 0.01 0.35 17.48 3.00 Average: 3.98 0.25 2.59 1.15 18.14 297.46 8596.69 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 6256680 7530884 289288 3.56 30768 1448964 519072 5.65 452864 1200240 220 01:00:05 6259276 7534100 286008 3.52 31012 1449296 519104 5.65 453008 1200816 220 01:10:01 6265856 7541196 278904 3.43 31204 1449616 525772 5.73 453172 1201328 280 01:20:02 6273036 7548908 271140 3.33 31396 1449944 553168 6.03 456600 1201848 224 01:30:05 6255204 7531756 288224 3.54 31560 1450452 553296 6.03 457848 1202364 220 01:40:02 6263044 7540100 279876 3.44 31728 1450780 553296 6.03 459736 1202860 128 01:50:05 6199568 7497572 322060 3.96 32024 1471172 596236 6.49 514412 1222004 5988 02:00:05 5091712 7212384 559076 6.87 85912 2198892 828100 9.02 780592 1959272 264 02:10:01 4990648 7111880 659572 8.11 86056 2199308 755556 8.23 707720 1959832 288 02:20:05 5075516 7229244 542168 6.67 86240 2231604 816812 8.90 753344 1992312 272 02:30:05 4842196 7112124 657456 8.08 86420 2346036 940704 10.25 876940 2106796 252 02:40:01 4855732 7133032 636492 7.83 86576 2353148 926652 10.09 863564 2114064 176 02:50:02 5142820 7428892 340488 4.19 86736 2361648 578928 6.31 558564 2122616 8244 Average: 5674714 7380929 416212 5.12 56741 1835451 666669 7.26 599105 1591258 1290 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 1.14 0.09 0.15 0.05 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.48 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.47 0.06 0.10 0.04 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.51 0.25 0.11 0.56 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.30 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.40 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 9.20 5.91 33.17 2.32 0.00 0.00 0.00 0.00 02:00:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:05 ens3 78.24 61.45 671.75 10.48 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 36.88 33.51 564.50 2.20 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 80.12 75.27 1211.60 4.93 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 28.69 27.40 436.80 1.83 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 24.36 23.45 379.57 1.61 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 20.64 17.57 271.83 1.26 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 21.68 18.88 274.93 1.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11866) 05/08/26 _x86_64_ (2 CPU) 00:36:41 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.28 0.00 0.07 0.01 0.05 99.59 00:50:05 0 0.08 0.00 0.10 0.01 0.06 99.75 00:50:05 1 0.48 0.00 0.05 0.01 0.04 99.43 01:00:05 all 0.25 0.00 0.16 0.01 0.04 99.53 01:00:05 0 0.07 0.00 0.20 0.02 0.06 99.66 01:00:05 1 0.43 0.00 0.13 0.01 0.03 99.40 01:10:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:01 0 0.31 0.00 0.08 0.01 0.05 99.56 01:10:01 1 0.17 0.00 0.06 0.01 0.04 99.72 01:20:02 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:02 0 0.40 0.00 0.06 0.01 0.04 99.49 01:20:02 1 0.09 0.00 0.10 0.01 0.05 99.75 01:30:05 all 0.27 0.00 0.17 0.03 0.04 99.50 01:30:05 0 0.26 0.00 0.15 0.04 0.03 99.51 01:30:05 1 0.28 0.00 0.18 0.01 0.04 99.49 01:40:02 all 0.20 0.00 0.06 0.01 0.04 99.69 01:40:02 0 0.35 0.00 0.05 0.01 0.03 99.56 01:40:02 1 0.06 0.00 0.07 0.00 0.05 99.83 01:50:05 all 0.51 0.00 0.10 0.01 0.04 99.34 01:50:05 0 0.71 0.00 0.06 0.01 0.02 99.19 01:50:05 1 0.30 0.00 0.15 0.01 0.05 99.49 02:00:05 all 10.61 0.00 1.80 0.52 0.08 87.00 02:00:05 0 7.67 0.00 1.43 0.70 0.06 90.14 02:00:05 1 13.54 0.00 2.16 0.35 0.10 83.85 02:10:01 all 0.64 0.00 0.28 0.01 0.09 98.99 02:10:01 0 0.69 0.00 0.35 0.01 0.10 98.85 02:10:01 1 0.58 0.00 0.21 0.01 0.08 99.13 02:20:05 all 1.05 0.00 0.60 0.01 0.09 98.25 02:20:05 0 0.78 0.00 0.34 0.00 0.08 98.79 02:20:05 1 1.33 0.00 0.85 0.01 0.10 97.72 02:30:05 all 0.84 0.00 0.30 0.01 0.10 98.76 02:30:05 0 0.82 0.00 0.30 0.02 0.10 98.77 02:30:05 1 0.85 0.00 0.30 0.01 0.10 98.75 02:30:05 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.61 0.00 0.23 0.01 0.09 99.07 02:40:01 0 0.53 0.00 0.10 0.01 0.06 99.31 02:40:01 1 0.69 0.00 0.37 0.00 0.11 98.82 02:50:02 all 1.13 0.00 0.24 0.01 0.07 98.54 02:50:02 0 1.69 0.00 0.21 0.00 0.05 98.05 02:50:02 1 0.58 0.00 0.28 0.01 0.09 99.04 Average: all 1.30 0.00 0.32 0.05 0.06 98.27 Average: 0 1.10 0.00 0.26 0.06 0.06 98.51 Average: 1 1.49 0.00 0.38 0.03 0.07 98.03