---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65911 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 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 753 5197 4 2280 7188 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:53:57:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78741sec preferred_lft 78741sec inet6 fe80::f816:3eff:fe53:5739/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65911) 04/02/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.19 0.01 1.18 0.00 0.05 14.42 0.24 02:20:03 1.25 0.03 1.22 0.00 2.15 14.95 0.04 02:30:03 1.42 0.00 1.40 0.02 0.00 17.43 872.05 02:40:01 13.93 0.00 1.37 12.56 0.15 15.91 109451.46 02:50:03 1.28 0.00 1.28 0.00 0.00 15.21 0.00 03:00:03 22.95 3.35 17.38 2.22 266.31 3061.60 860.17 03:10:02 1.66 0.01 1.61 0.05 0.57 129.39 2.31 03:20:03 1.50 0.00 1.47 0.03 0.00 23.66 1.38 03:30:03 1.53 0.00 1.49 0.04 0.00 135.26 397.23 03:40:03 1.29 0.01 1.27 0.02 0.20 44.03 1.23 03:50:03 1.27 0.00 1.24 0.03 0.00 44.48 1.32 04:00:03 3.28 0.04 2.57 0.67 1.43 113.86 1999.77 Average: 4.38 0.29 2.79 1.30 22.57 302.48 9442.70 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6291904 7538736 281820 3.47 30680 1421856 529652 5.77 444880 1183304 132 02:20:03 6281128 7529112 291444 3.58 30852 1422828 529796 5.77 445548 1183888 212 02:30:03 6287752 7536272 284220 3.49 31036 1423156 529884 5.77 445612 1184400 220 02:40:01 6287752 7536812 283624 3.49 31196 1423524 529884 5.77 445692 1184900 160 02:50:03 6287008 7536568 283864 3.49 31356 1423856 529884 5.77 446876 1185392 244 03:00:03 5363364 7471520 300164 3.69 85004 2187244 562952 6.13 544876 1945808 25764 03:10:02 5282616 7393512 378164 4.65 85200 2189904 699644 7.62 596980 1948660 384 03:20:03 5257996 7370896 400864 4.93 85384 2191732 664572 7.24 611756 1950672 196 03:30:03 5182872 7330936 440768 5.42 85532 2226668 699956 7.62 646548 1985760 228 03:40:03 5238380 7396004 375560 4.62 85736 2235900 663264 7.22 610048 1995068 664 03:50:03 5117720 7284148 487304 5.99 85896 2244432 734256 8.00 681144 2003756 208 04:00:03 5258592 7290644 489448 6.02 87188 2116456 711816 7.75 709332 1876812 72676 Average: 5678090 7434597 358104 4.40 62922 1875630 615463 6.70 552441 1635702 8424 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.49 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.34 0.06 0.47 0.02 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 0.22 0.04 0.04 0.01 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 0.40 0.07 0.24 0.04 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:03 lo 1.32 1.32 0.10 0.10 0.00 0.00 0.00 0.00 03:00:03 ens3 51.67 37.36 300.21 11.16 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 23.40 19.68 225.01 2.29 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 9.06 8.26 61.14 0.88 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 13.68 12.00 156.85 1.20 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 6.89 6.38 33.18 0.87 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 17.21 16.57 227.85 1.66 0.00 0.00 0.00 0.00 04:00:03 lo 1.02 1.02 0.06 0.06 0.00 0.00 0.00 0.00 04:00:03 ens3 15.15 11.46 72.30 12.60 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 11.55 9.33 89.74 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65911) 04/02/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:01 0 0.13 0.00 0.08 0.01 0.03 99.76 02:10:01 1 0.37 0.00 0.07 0.02 0.02 99.52 02:20:03 all 0.28 0.00 0.08 0.32 0.03 99.29 02:20:03 0 0.12 0.00 0.11 0.55 0.04 99.17 02:20:03 1 0.43 0.00 0.05 0.08 0.02 99.41 02:30:03 all 0.26 0.00 0.15 0.01 0.03 99.54 02:30:03 0 0.13 0.00 0.18 0.01 0.03 99.66 02:30:03 1 0.39 0.00 0.13 0.02 0.03 99.43 02:40:01 all 0.22 0.00 0.08 0.14 0.03 99.52 02:40:01 0 0.16 0.00 0.10 0.25 0.03 99.45 02:40:01 1 0.29 0.00 0.06 0.03 0.03 99.59 02:50:03 all 0.23 0.00 0.07 0.01 0.03 99.66 02:50:03 0 0.24 0.00 0.07 0.00 0.03 99.65 02:50:03 1 0.22 0.00 0.07 0.01 0.03 99.66 03:00:03 all 10.68 0.00 1.70 0.60 0.05 86.96 03:00:03 0 8.32 0.00 1.54 0.43 0.05 89.67 03:00:03 1 13.04 0.00 1.87 0.77 0.06 84.26 03:10:02 all 1.11 0.00 0.28 0.01 0.07 98.53 03:10:02 0 1.15 0.00 0.25 0.01 0.06 98.52 03:10:02 1 1.06 0.00 0.32 0.01 0.08 98.53 03:20:03 all 2.15 0.00 0.27 0.01 0.06 97.51 03:20:03 0 1.30 0.00 0.25 0.01 0.09 98.35 03:20:03 1 3.01 0.00 0.28 0.01 0.04 96.66 03:30:03 all 5.47 0.00 0.83 0.02 0.12 93.56 03:30:03 0 6.81 0.00 1.06 0.02 0.11 92.00 03:30:03 1 4.15 0.00 0.60 0.02 0.13 95.10 03:40:03 all 2.20 0.00 0.31 0.01 0.07 97.42 03:40:03 0 1.57 0.00 0.19 0.02 0.05 98.17 03:40:03 1 2.82 0.00 0.43 0.00 0.09 96.66 03:50:03 all 1.86 0.00 0.40 0.01 0.06 97.67 03:50:03 0 1.75 0.00 0.41 0.01 0.08 97.75 03:50:03 1 1.97 0.00 0.39 0.01 0.05 97.58 03:50:03 CPU %user %nice %system %iowait %steal %idle 04:00:03 all 2.64 0.00 0.44 0.05 0.06 96.82 04:00:03 0 4.27 0.00 0.46 0.03 0.05 95.20 04:00:03 1 1.00 0.00 0.41 0.07 0.08 98.44 Average: all 2.27 0.00 0.39 0.10 0.05 97.18 Average: 0 2.15 0.00 0.39 0.11 0.05 97.29 Average: 1 2.39 0.00 0.39 0.09 0.06 97.07