---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12635 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 766 5175 4 2289 7175 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:fa:4b:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78773sec preferred_lft 78773sec inet6 fe80::f816:3eff:fefa:4bc5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12635) 05/11/26 _x86_64_ (2 CPU) 01:57:35 LINUX RESTART (2 CPU) 02:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.39 0.03 1.36 0.00 1.26 16.18 0.12 02:20:01 1.37 0.01 1.36 0.00 0.07 16.06 0.12 02:30:25 1.54 0.00 1.53 0.01 0.00 18.39 209.70 02:40:25 1.24 0.00 1.24 0.00 0.00 14.99 0.00 02:50:01 1.72 0.26 1.45 0.01 32.26 75.40 0.18 03:00:15 1.39 0.00 1.37 0.01 1.03 17.23 425.89 03:10:32 22.85 2.93 17.74 2.18 221.72 3176.88 804.96 03:20:01 1.35 0.00 1.33 0.02 0.00 22.25 1.34 03:30:32 1.71 0.00 1.66 0.04 0.00 130.52 2.14 03:40:32 14.84 0.00 1.37 13.46 0.15 29.39 107030.16 03:50:01 1.37 0.01 1.31 0.05 0.21 67.47 6.42 04:00:25 1.62 0.00 1.56 0.06 0.00 25.75 5.11 Average: 4.42 0.28 2.81 1.32 21.79 308.19 9031.57 02:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6284784 7535044 284916 3.50 30644 1425448 521656 5.68 441760 1187308 196 02:20:01 6284292 7535072 284896 3.50 30820 1425780 521724 5.68 441732 1187816 124 02:30:25 6284576 7535896 284112 3.49 31012 1426112 521864 5.68 443300 1188332 168 02:40:25 6293980 7545776 274264 3.37 31156 1426432 521864 5.68 443464 1188804 132 02:50:01 6219968 7498372 321220 3.95 31476 1452380 716360 7.80 457892 1206304 276 03:00:15 6249544 7528856 290676 3.57 31640 1453080 521980 5.69 453232 1206796 192 03:10:32 5231964 7354204 417028 5.13 85076 2201220 638732 6.96 609892 1962688 204 03:20:01 5197148 7321256 449680 5.53 85228 2202948 719152 7.83 632068 1964564 156 03:30:32 5183296 7342972 428056 5.26 85468 2238252 674400 7.35 635492 1999976 508 03:40:32 5196368 7359460 411488 5.06 85668 2241416 640608 6.98 601972 2003320 196 03:50:01 5179496 7357608 413176 5.08 85844 2256064 663420 7.23 625048 2018144 160 04:00:25 5130628 7310924 459724 5.65 86052 2258004 687684 7.49 649232 2020292 168 Average: 5728004 7435453 359936 4.43 58340 1833928 612454 6.67 536257 1594529 207 02:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.79 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.40 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:25 ens3 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.52 0.24 3.28 0.05 0.00 0.00 0.00 0.00 03:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:15 ens3 0.50 0.24 0.14 0.55 0.00 0.00 0.00 0.00 03:10:32 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:32 ens3 70.69 52.73 402.76 11.86 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 13.81 12.80 147.52 1.13 0.00 0.00 0.00 0.00 03:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:32 ens3 8.22 6.98 66.45 0.80 0.00 0.00 0.00 0.00 03:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:32 ens3 15.09 14.22 148.94 1.57 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 13.42 12.76 127.41 1.58 0.00 0.00 0.00 0.00 04:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:25 ens3 14.09 12.84 134.74 1.14 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 11.63 9.49 86.35 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12635) 05/11/26 _x86_64_ (2 CPU) 01:57:35 LINUX RESTART (2 CPU) 02:00:15 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.30 0.00 0.07 0.01 0.03 99.58 02:10:05 0 0.12 0.00 0.09 0.00 0.03 99.77 02:10:05 1 0.49 0.00 0.06 0.02 0.03 99.40 02:20:01 all 0.29 0.00 0.07 0.01 0.03 99.60 02:20:01 0 0.07 0.00 0.08 0.02 0.03 99.80 02:20:01 1 0.51 0.00 0.06 0.01 0.03 99.39 02:30:25 all 0.31 0.00 0.15 0.01 0.02 99.50 02:30:25 0 0.34 0.00 0.14 0.02 0.02 99.48 02:30:25 1 0.29 0.00 0.16 0.01 0.03 99.52 02:40:25 all 0.26 0.00 0.07 0.01 0.02 99.63 02:40:25 0 0.45 0.00 0.06 0.01 0.01 99.47 02:40:25 1 0.06 0.00 0.09 0.02 0.03 99.79 02:50:01 all 0.41 0.00 0.10 0.02 0.02 99.44 02:50:01 0 0.30 0.00 0.09 0.01 0.02 99.57 02:50:01 1 0.51 0.00 0.12 0.03 0.03 99.31 03:00:15 all 0.31 0.00 0.16 0.01 0.03 99.49 03:00:15 0 0.41 0.00 0.15 0.01 0.02 99.41 03:00:15 1 0.21 0.00 0.17 0.01 0.03 99.58 03:10:32 all 10.69 0.00 1.70 2.03 0.06 85.52 03:10:32 0 8.26 0.00 1.46 1.70 0.06 88.52 03:10:32 1 13.12 0.00 1.95 2.36 0.07 82.51 03:20:01 all 0.89 0.00 0.24 0.01 0.06 98.80 03:20:01 0 0.95 0.00 0.22 0.01 0.04 98.77 03:20:01 1 0.83 0.00 0.26 0.01 0.07 98.83 03:30:32 all 5.98 0.00 0.69 0.01 0.07 93.26 03:30:32 0 8.98 0.00 0.90 0.01 0.06 90.05 03:30:32 1 3.07 0.00 0.48 0.01 0.07 96.36 03:40:32 all 1.31 0.00 0.24 0.03 0.06 98.35 03:40:32 0 1.68 0.00 0.24 0.01 0.07 98.01 03:40:32 1 0.95 0.00 0.25 0.05 0.06 98.70 03:50:01 all 2.94 0.00 0.49 0.01 0.07 96.50 03:50:01 0 1.92 0.00 0.41 0.01 0.07 97.60 03:50:01 1 3.96 0.00 0.56 0.01 0.07 95.41 03:50:01 CPU %user %nice %system %iowait %steal %idle 04:00:25 all 0.87 0.00 0.30 0.01 0.06 98.76 04:00:25 0 0.75 0.00 0.29 0.00 0.07 98.89 04:00:25 1 0.98 0.00 0.32 0.02 0.05 98.63 Average: all 2.07 0.00 0.36 0.19 0.04 97.34 Average: 0 2.04 0.00 0.35 0.16 0.04 97.42 Average: 1 2.10 0.00 0.38 0.22 0.05 97.26