---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8206 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 8.2G 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 781 4892 4 2560 7160 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:3c:2e:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78719sec preferred_lft 78719sec inet6 fe80::f816:3eff:fe3c:2e30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8206) 03/23/26 _x86_64_ (2 CPU) 01:52:39 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:23 1.86 0.31 1.53 0.03 37.66 70.28 1.12 02:20:01 14.28 0.01 1.24 13.02 1.26 14.99 113315.93 02:30:01 1.35 0.00 1.34 0.01 0.00 16.48 435.50 02:40:23 1.20 0.00 1.20 0.00 0.00 14.66 0.00 02:50:01 1.19 0.00 1.19 0.00 0.00 14.33 0.00 03:00:01 19.51 2.96 14.57 1.97 223.98 2469.53 1235.54 03:10:03 4.18 0.05 3.87 0.26 3.45 678.80 358.46 03:20:01 1.28 0.00 1.28 0.00 0.00 15.70 0.00 03:30:01 1.48 0.00 1.46 0.02 0.00 135.92 0.77 03:40:23 1.66 0.01 1.61 0.03 0.58 454.33 0.32 03:50:01 1.42 0.00 1.40 0.02 0.00 42.68 0.15 04:00:01 5.02 0.08 3.87 1.07 6.25 848.64 3101.08 Average: 4.50 0.29 2.88 1.33 22.89 399.70 9522.16 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:23 6251516 7526672 293416 3.61 30868 1449608 728304 7.93 461384 1200184 132 02:20:01 6266196 7542172 277940 3.42 31028 1450288 531100 5.78 455952 1200652 308 02:30:01 6266552 7543104 276884 3.40 31208 1450624 531164 5.79 456052 1201204 128 02:40:23 6274112 7551172 268804 3.31 31392 1450948 531368 5.79 456080 1201704 180 02:50:01 6280972 7558668 261340 3.21 31556 1451404 531436 5.79 456476 1202204 208 03:00:01 5291284 7391984 380124 4.67 84184 2180972 635328 6.92 622280 1939456 169464 03:10:03 4958080 7062636 709324 8.72 85024 2183840 991988 10.80 927312 1942716 252 03:20:01 5118236 7223372 548652 6.75 85180 2184264 780428 8.50 743316 1943296 280 03:30:01 5135772 7292848 478836 5.89 85344 2235816 771804 8.41 718624 1995004 16160 03:40:23 4827760 7107268 662516 8.15 85544 2356372 941808 10.26 888712 2115520 128 03:50:01 4807272 7094852 674756 8.30 85704 2364176 935628 10.19 883248 2123484 124 04:00:01 5094672 7411372 364624 4.48 87612 2397716 656880 7.15 597820 2157292 24976 Average: 5547702 7358843 433101 5.33 62887 1929669 713936 7.78 638938 1685226 17695 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 1.05 0.21 2.97 0.03 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 0.37 0.02 0.05 0.01 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 0.30 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 38.04 26.30 290.58 7.19 0.00 0.00 0.00 0.00 03:10:03 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 52.43 45.20 494.37 6.21 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 33.98 31.63 538.23 2.08 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 71.61 66.95 1148.89 4.44 0.00 0.00 0.00 0.00 03:40:23 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:40:23 ens3 25.73 24.17 394.01 1.64 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 22.93 21.46 346.70 1.43 0.00 0.00 0.00 0.00 04:00:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 04:00:01 ens3 35.12 27.58 295.09 26.66 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 23.53 20.32 292.77 4.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8206) 03/23/26 _x86_64_ (2 CPU) 01:52:39 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:23 all 0.35 0.00 0.11 0.02 0.04 99.48 02:10:23 0 0.41 0.00 0.07 0.01 0.03 99.47 02:10:23 1 0.29 0.00 0.14 0.04 0.04 99.49 02:20:01 all 0.26 0.00 0.09 0.03 0.03 99.58 02:20:01 0 0.47 0.00 0.08 0.05 0.02 99.37 02:20:01 1 0.06 0.00 0.10 0.01 0.04 99.79 02:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.22 0.00 0.17 0.02 0.04 99.56 02:30:01 1 0.32 0.00 0.16 0.01 0.03 99.49 02:40:23 all 0.25 0.00 0.08 0.05 0.03 99.60 02:40:23 0 0.19 0.00 0.09 0.09 0.03 99.60 02:40:23 1 0.31 0.00 0.06 0.00 0.03 99.60 02:50:01 all 0.26 0.00 0.08 0.02 0.02 99.61 02:50:01 0 0.08 0.00 0.09 0.02 0.02 99.79 02:50:01 1 0.45 0.00 0.08 0.03 0.02 99.43 03:00:01 all 10.12 0.00 1.58 0.59 0.04 87.66 03:00:01 0 9.46 0.00 1.61 0.68 0.04 88.21 03:00:01 1 10.78 0.00 1.55 0.51 0.05 87.12 03:10:03 all 1.87 0.00 0.47 0.05 0.04 97.56 03:10:03 0 1.41 0.00 0.49 0.04 0.05 98.00 03:10:03 1 2.34 0.00 0.46 0.05 0.04 97.12 03:20:01 all 0.66 0.00 0.31 0.01 0.04 98.98 03:20:01 0 0.68 0.00 0.35 0.01 0.05 98.91 03:20:01 1 0.63 0.00 0.27 0.00 0.04 99.05 03:30:01 all 1.18 0.00 0.64 0.01 0.06 98.11 03:30:01 0 0.96 0.00 0.54 0.01 0.08 98.41 03:30:01 1 1.41 0.00 0.74 0.01 0.05 97.80 03:40:23 all 0.78 0.00 0.21 0.02 0.07 98.92 03:40:23 0 0.90 0.00 0.27 0.02 0.07 98.75 03:40:23 1 0.67 0.00 0.16 0.02 0.06 99.09 03:50:01 all 0.62 0.00 0.24 0.01 0.06 99.07 03:50:01 0 0.51 0.00 0.20 0.01 0.07 99.21 03:50:01 1 0.73 0.00 0.27 0.01 0.06 98.93 03:50:01 CPU %user %nice %system %iowait %steal %idle 04:00:01 all 4.16 0.00 0.68 0.10 0.07 95.00 04:00:01 0 3.45 0.00 0.63 0.08 0.07 95.77 04:00:01 1 4.86 0.00 0.73 0.12 0.07 94.22 Average: all 1.73 0.00 0.39 0.08 0.04 97.76 Average: 0 1.56 0.00 0.38 0.09 0.05 97.92 Average: 1 1.90 0.00 0.39 0.07 0.04 97.60