---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10038 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 749 5200 4 2281 7192 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:79:ae:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71902sec preferred_lft 71902sec inet6 fe80::f816:3eff:fe79:ae1e/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-10038) 05/01/26 _x86_64_ (2 CPU) 00:42:49 LINUX RESTART (2 CPU) 00:50:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:34 1.59 0.01 1.56 0.02 0.05 18.65 654.53 01:10:01 15.19 0.27 1.64 13.29 32.92 77.91 115518.02 01:20:35 1.38 0.01 1.37 0.01 1.01 16.35 0.50 01:30:16 1.46 0.00 1.44 0.02 0.00 17.84 675.11 01:40:01 1.19 0.00 1.19 0.00 0.00 14.77 0.00 01:50:06 1.17 0.00 1.17 0.00 0.00 14.31 0.00 02:00:16 1.42 0.00 1.40 0.02 0.00 17.77 856.79 02:10:01 1.33 0.00 1.33 0.00 0.00 16.29 0.03 02:20:16 1.23 0.00 1.22 0.00 0.00 14.97 212.45 02:30:36 1.65 0.00 1.64 0.02 0.00 20.08 842.98 02:40:01 1.35 0.00 1.35 0.00 0.00 15.79 0.00 02:50:36 1.34 0.00 1.34 0.00 0.00 16.00 0.00 03:00:16 1.67 0.00 1.65 0.02 0.00 20.73 901.12 03:10:01 1.40 0.00 1.40 0.00 0.00 16.51 0.00 03:20:26 1.55 0.00 1.55 0.00 0.00 18.68 0.03 03:30:36 1.73 0.00 1.71 0.02 0.00 20.55 1071.00 03:40:36 1.55 0.03 1.52 0.00 2.15 17.59 0.04 03:50:36 1.37 0.00 1.37 0.00 0.00 16.00 0.00 04:00:26 1.46 0.00 1.45 0.01 0.00 17.95 664.43 04:10:36 1.28 0.00 1.28 0.00 0.00 15.72 0.00 04:20:26 1.30 0.00 1.30 0.00 0.00 16.01 0.00 04:30:03 2.07 0.42 1.64 0.02 16.44 52.88 905.10 04:40:16 22.63 2.57 17.88 2.18 207.14 3169.19 809.25 Average: 2.96 0.14 2.16 0.65 11.39 161.23 5083.59 00:50:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:34 6294092 7541004 279360 3.44 30668 1421924 532924 5.80 442712 1183548 180 01:10:01 6252512 7526120 293780 3.61 31032 1447892 735592 8.01 457344 1201092 176 01:20:35 6268800 7543252 276640 3.40 31232 1448528 533012 5.81 452384 1201616 120 01:30:16 6264896 7539868 279964 3.44 31404 1448856 533140 5.81 452452 1202116 164 01:40:01 6264896 7540464 279336 3.43 31556 1449320 533268 5.81 453248 1202576 124 01:50:06 6268736 7544844 274972 3.38 31736 1449644 533268 5.81 453116 1203108 224 02:00:16 6261440 7538072 281704 3.46 31920 1449980 533268 5.81 453152 1203620 264 02:10:01 6252624 7529788 289880 3.56 32112 1450304 588348 6.41 458340 1204140 160 02:20:16 6252160 7529824 289864 3.56 32284 1450628 533260 5.81 453112 1204636 228 02:30:36 6258836 7537168 282508 3.47 32480 1451088 533268 5.81 453404 1205164 172 02:40:01 6265672 7544488 275188 3.38 32632 1451412 533396 5.81 453808 1205644 160 02:50:36 6272756 7552060 267640 3.29 32792 1451732 533396 5.81 453648 1206124 172 03:00:16 6264464 7544300 275384 3.39 32980 1452064 533460 5.81 453680 1206644 196 03:10:01 6264332 7544656 275040 3.38 33148 1452388 533460 5.81 453696 1207124 300 03:20:26 6256776 7537784 281800 3.47 33348 1452848 588676 6.41 458968 1207664 164 03:30:36 6257388 7538916 280692 3.45 33528 1453172 534172 5.82 454036 1208172 124 03:40:36 6264260 7546940 272664 3.35 33704 1454140 533632 5.81 454496 1208756 124 03:50:36 6263504 7546664 272932 3.36 33856 1454464 533632 5.81 454432 1209232 128 04:00:26 6257348 7541160 278344 3.42 34020 1454924 533632 5.81 454712 1209728 196 04:10:36 6257096 7541392 278144 3.42 34172 1455252 533632 5.81 454712 1210208 128 04:20:26 6257096 7541880 277648 3.41 34324 1455580 533632 5.81 454712 1210688 128 04:30:03 6226560 7526396 292752 3.60 34628 1470260 550080 5.99 485888 1224136 352 04:40:16 5188364 7355372 408708 5.03 87392 2243208 819244 8.92 634944 2006140 276 Average: 6214548 7531844 285432 3.51 35085 1485635 560147 6.10 463087 1240516 185 00:50:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:34 ens3 0.68 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.78 0.28 3.37 0.07 0.00 0.00 0.00 0.00 01:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:35 ens3 1.00 0.09 0.17 0.05 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 1.09 0.05 0.17 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.79 0.26 0.20 0.58 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 1.08 0.08 0.15 0.04 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 0.69 0.06 0.65 0.03 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 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:36 ens3 0.17 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 0.38 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:50:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:36 ens3 0.18 0.04 0.04 0.02 0.00 0.00 0.00 0.00 03:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:16 ens3 0.31 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.18 0.05 0.04 0.02 0.00 0.00 0.00 0.00 03:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:26 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:36 ens3 0.32 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:36 ens3 0.28 0.09 0.08 0.04 0.00 0.00 0.00 0.00 03:50:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:36 ens3 0.17 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:26 ens3 0.21 0.05 0.07 0.03 0.00 0.00 0.00 0.00 04:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:36 ens3 0.26 0.03 0.21 0.01 0.00 0.00 0.00 0.00 04:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:26 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:03 ens3 9.07 5.25 20.67 3.26 0.00 0.00 0.00 0.00 04:40:16 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 04:40:16 ens3 66.16 49.10 306.77 12.10 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.72 2.47 14.75 0.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10038) 05/01/26 _x86_64_ (2 CPU) 00:42:49 LINUX RESTART (2 CPU) 00:50:34 CPU %user %nice %system %iowait %steal %idle 01:00:34 all 0.26 0.00 0.17 0.07 0.03 99.47 01:00:34 0 0.24 0.00 0.17 0.13 0.03 99.44 01:00:34 1 0.28 0.00 0.18 0.01 0.03 99.51 01:10:01 all 0.35 0.00 0.12 0.05 0.02 99.45 01:10:01 0 0.37 0.00 0.14 0.08 0.02 99.39 01:10:01 1 0.34 0.00 0.09 0.02 0.02 99.52 01:20:35 all 0.24 0.00 0.08 0.19 0.02 99.46 01:20:35 0 0.11 0.00 0.08 0.01 0.03 99.78 01:20:35 1 0.38 0.00 0.07 0.38 0.02 99.15 01:30:16 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:16 0 0.18 0.00 0.17 0.02 0.02 99.61 01:30:16 1 0.37 0.00 0.17 0.00 0.02 99.44 01:40:01 all 0.27 0.00 0.07 0.02 0.02 99.63 01:40:01 0 0.36 0.00 0.06 0.01 0.01 99.55 01:40:01 1 0.17 0.00 0.08 0.03 0.03 99.70 01:50:06 all 0.25 0.00 0.07 0.11 0.02 99.55 01:50:06 0 0.34 0.00 0.05 0.07 0.02 99.52 01:50:06 1 0.16 0.00 0.08 0.14 0.02 99.59 02:00:16 all 0.28 0.00 0.15 0.04 0.02 99.51 02:00:16 0 0.06 0.00 0.16 0.08 0.02 99.68 02:00:16 1 0.49 0.00 0.15 0.00 0.02 99.34 02:10:01 all 0.24 0.00 0.08 0.01 0.02 99.66 02:10:01 0 0.36 0.00 0.06 0.01 0.01 99.55 02:10:01 1 0.11 0.00 0.09 0.02 0.02 99.76 02:20:16 all 0.24 0.00 0.07 0.10 0.02 99.58 02:20:16 0 0.32 0.00 0.05 0.01 0.01 99.61 02:20:16 1 0.15 0.00 0.09 0.19 0.02 99.55 02:30:36 all 0.25 0.00 0.16 0.61 0.04 98.94 02:30:36 0 0.42 0.00 0.15 1.21 0.01 98.20 02:30:36 1 0.07 0.00 0.18 0.01 0.06 99.68 02:40:01 all 0.23 0.00 0.07 0.05 0.02 99.63 02:40:01 0 0.11 0.00 0.08 0.03 0.02 99.77 02:40:01 1 0.36 0.00 0.06 0.07 0.01 99.49 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:36 all 0.26 0.00 0.08 0.01 0.02 99.64 02:50:36 0 0.05 0.00 0.09 0.00 0.02 99.84 02:50:36 1 0.47 0.00 0.06 0.01 0.02 99.44 03:00:16 all 0.26 0.00 0.18 0.03 0.02 99.51 03:00:16 0 0.12 0.00 0.19 0.02 0.02 99.65 03:00:16 1 0.40 0.00 0.16 0.05 0.02 99.37 03:10:01 all 0.25 0.00 0.08 0.02 0.02 99.63 03:10:01 0 0.43 0.00 0.04 0.01 0.01 99.51 03:10:01 1 0.08 0.00 0.11 0.03 0.02 99.75 03:20:26 all 0.27 0.00 0.09 0.02 0.02 99.61 03:20:26 0 0.37 0.00 0.05 0.01 0.01 99.55 03:20:26 1 0.18 0.00 0.12 0.02 0.02 99.66 03:30:36 all 0.29 0.00 0.17 0.01 0.02 99.52 03:30:36 0 0.20 0.00 0.18 0.00 0.02 99.60 03:30:36 1 0.37 0.00 0.15 0.01 0.02 99.44 03:40:36 all 0.27 0.00 0.08 0.01 0.02 99.62 03:40:36 0 0.07 0.00 0.09 0.01 0.02 99.81 03:40:36 1 0.47 0.00 0.07 0.01 0.02 99.43 03:50:36 all 0.24 0.00 0.07 0.02 0.02 99.65 03:50:36 0 0.05 0.00 0.09 0.04 0.02 99.80 03:50:36 1 0.43 0.00 0.05 0.01 0.01 99.50 04:00:26 all 0.27 0.00 0.16 0.41 0.02 99.14 04:00:26 0 0.15 0.00 0.17 0.40 0.02 99.26 04:00:26 1 0.39 0.00 0.16 0.42 0.02 99.02 04:10:36 all 0.23 0.00 0.07 0.20 0.02 99.48 04:10:36 0 0.28 0.00 0.06 0.39 0.02 99.25 04:10:36 1 0.18 0.00 0.08 0.00 0.02 99.71 04:20:26 all 0.20 0.00 0.08 0.04 0.02 99.67 04:20:26 0 0.26 0.00 0.06 0.07 0.01 99.59 04:20:26 1 0.14 0.00 0.09 0.01 0.02 99.74 04:30:03 all 0.53 0.00 0.20 0.02 0.02 99.24 04:30:03 0 0.75 0.00 0.15 0.01 0.02 99.07 04:30:03 1 0.31 0.00 0.24 0.02 0.03 99.40 04:30:03 CPU %user %nice %system %iowait %steal %idle 04:40:16 all 15.79 0.00 1.74 1.12 0.06 81.28 04:40:16 0 15.86 0.00 1.67 1.65 0.06 80.77 04:40:16 1 15.73 0.00 1.82 0.59 0.06 81.80 Average: all 0.96 0.00 0.18 0.14 0.02 98.70 Average: 0 0.95 0.00 0.18 0.19 0.02 98.67 Average: 1 0.97 0.00 0.19 0.09 0.02 98.72