---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10041 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: 5600.00 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 7.9G 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 788 5199 4 2250 7153 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:cc:37:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 72199sec preferred_lft 72199sec inet6 fe80::f816:3eff:fecc:3702/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10041) 05/01/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.37 0.01 1.34 0.02 0.05 17.24 447.89 01:10:24 1.64 0.24 1.37 0.03 29.80 70.53 1.44 01:20:24 1.46 0.01 1.45 0.00 1.07 17.19 0.29 01:30:01 1.53 0.00 1.51 0.02 0.00 18.32 679.78 01:40:14 1.37 0.00 1.37 0.00 0.00 16.42 0.00 01:50:24 1.21 0.00 1.21 0.00 0.00 14.96 0.00 02:00:01 14.50 0.00 1.44 13.05 0.15 17.99 114128.09 02:10:24 1.19 0.00 1.19 0.00 0.00 14.60 0.00 02:20:14 1.16 0.00 1.16 0.00 0.00 14.47 0.00 02:30:01 1.37 0.00 1.35 0.01 0.00 16.96 445.78 02:40:24 1.30 0.00 1.29 0.01 0.00 16.86 209.62 02:50:48 1.30 0.02 1.27 0.00 2.06 15.90 0.04 03:00:01 1.39 0.00 1.38 0.01 0.00 17.43 472.67 03:10:24 15.02 13.04 1.93 0.05 145.50 43.58 9.80 03:20:24 1.17 0.00 1.17 0.00 0.00 14.55 0.00 03:30:01 1.46 0.00 1.45 0.01 0.00 18.81 225.30 03:40:24 1.37 0.00 1.36 0.00 0.00 16.77 0.05 03:50:24 1.41 0.00 1.41 0.00 0.00 16.51 0.00 04:00:01 1.59 0.00 1.57 0.01 0.00 19.08 0.24 04:10:24 1.41 0.00 1.41 0.00 0.00 16.66 0.00 04:20:24 1.43 0.00 1.43 0.00 0.00 16.81 0.00 04:30:01 1.74 0.06 1.66 0.01 3.45 25.24 0.24 Average: 2.61 0.63 1.40 0.58 8.59 20.88 5104.47 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6281580 7528704 291204 3.58 30724 1422300 532168 5.80 446840 1183500 160 01:10:24 6244320 7518124 301392 3.71 31108 1448236 726520 7.91 461312 1201084 236 01:20:24 6265196 7539844 279708 3.44 31300 1448876 532240 5.80 456460 1201604 132 01:30:01 6258860 7534032 285480 3.51 31464 1449200 559652 6.10 459672 1202092 272 01:40:14 6254828 7530636 288868 3.55 31636 1449656 559644 6.10 462712 1202592 164 01:50:24 6260904 7537200 282288 3.47 31796 1449988 559708 6.10 463940 1203076 192 02:00:01 6249520 7526392 293044 3.60 31960 1450360 559708 6.10 465192 1203592 124 02:10:24 6249016 7526384 293040 3.60 32128 1450684 559772 6.10 466012 1204084 148 02:20:14 6248008 7525872 293544 3.61 32288 1451012 559772 6.10 466788 1204572 228 02:30:01 6253828 7532188 287192 3.53 32436 1451340 559836 6.10 467412 1205048 156 02:40:24 6247488 7526496 292904 3.60 32632 1451792 559860 6.10 469560 1205568 180 02:50:48 6232120 7512272 307108 3.78 32808 1452760 559892 6.10 470784 1206144 156 03:00:01 6233960 7514620 304692 3.75 32960 1453092 559892 6.10 472584 1206636 164 03:10:24 6154780 7492564 317608 3.91 37124 1497704 560044 6.10 473972 1254804 124 03:20:24 6154780 7493184 316984 3.90 37284 1498164 560044 6.10 474832 1255296 252 03:30:01 6161200 7500176 309780 3.81 37496 1498500 615124 6.70 481392 1255840 196 03:40:24 6160952 7500452 309552 3.81 37684 1498828 560116 6.10 476284 1256360 124 03:50:24 6159972 7499972 310020 3.81 37852 1499148 560116 6.10 476336 1256848 172 04:00:01 6156656 7497304 312648 3.84 38020 1499608 560116 6.10 476368 1257348 160 04:10:24 6156656 7497812 312132 3.84 38196 1499932 560116 6.10 476544 1257848 200 04:20:24 6171816 7513480 296448 3.65 38364 1500268 560116 6.10 476464 1258348 240 04:30:01 6160136 7504944 304920 3.75 38572 1503304 563288 6.14 480904 1260968 512 Average: 6214390 7516030 299571 3.68 34356 1469307 567625 6.18 469198 1224693 195 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.72 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.73 0.24 3.07 0.06 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.99 0.07 0.17 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.23 0.19 0.18 0.61 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 0.67 0.12 0.19 0.09 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 1.08 0.07 0.14 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.70 0.08 0.68 0.04 0.00 0.00 0.00 0.00 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.17 0.04 0.04 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 0.17 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 0.35 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:48 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:48 ens3 0.19 0.06 0.05 0.02 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.31 0.08 0.10 0.06 0.00 0.00 0.00 0.00 03:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:24 ens3 0.16 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:24 ens3 0.16 0.03 0.04 0.01 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 0.33 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:24 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:50:24 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 03:50:24 ens3 0.17 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.21 0.05 0.07 0.03 0.00 0.00 0.00 0.00 04:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:24 ens3 0.26 0.04 0.21 0.01 0.00 0.00 0.00 0.00 04:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:24 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 1.31 0.83 4.21 0.40 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.48 0.11 0.44 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10041) 05/01/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.17 0.01 0.03 99.52 01:00:01 0 0.08 0.00 0.18 0.01 0.04 99.70 01:00:01 1 0.46 0.00 0.15 0.01 0.03 99.35 01:10:24 all 0.33 0.00 0.09 0.02 0.03 99.52 01:10:24 0 0.37 0.00 0.11 0.01 0.04 99.48 01:10:24 1 0.30 0.00 0.08 0.03 0.03 99.55 01:20:24 all 0.30 0.00 0.07 0.01 0.03 99.58 01:20:24 0 0.14 0.00 0.10 0.01 0.04 99.70 01:20:24 1 0.46 0.00 0.05 0.01 0.03 99.46 01:30:01 all 0.28 0.00 0.17 0.01 0.03 99.52 01:30:01 0 0.36 0.00 0.17 0.01 0.03 99.44 01:30:01 1 0.20 0.00 0.17 0.01 0.03 99.59 01:40:14 all 0.25 0.00 0.06 0.01 0.03 99.65 01:40:14 0 0.45 0.00 0.03 0.01 0.02 99.48 01:40:14 1 0.05 0.00 0.08 0.01 0.04 99.82 01:50:24 all 0.19 0.00 0.07 0.01 0.03 99.70 01:50:24 0 0.34 0.00 0.06 0.00 0.02 99.57 01:50:24 1 0.04 0.00 0.09 0.01 0.03 99.82 02:00:01 all 0.28 0.00 0.17 0.04 0.03 99.49 02:00:01 0 0.49 0.00 0.14 0.01 0.02 99.34 02:00:01 1 0.07 0.00 0.19 0.07 0.04 99.63 02:10:24 all 0.26 0.00 0.06 0.01 0.03 99.64 02:10:24 0 0.18 0.00 0.06 0.01 0.03 99.73 02:10:24 1 0.34 0.00 0.06 0.02 0.03 99.56 02:20:14 all 0.24 0.00 0.07 0.02 0.03 99.65 02:20:14 0 0.43 0.00 0.07 0.03 0.02 99.45 02:20:14 1 0.04 0.00 0.07 0.01 0.03 99.85 02:30:01 all 0.28 0.00 0.15 0.02 0.02 99.52 02:30:01 0 0.07 0.00 0.19 0.02 0.03 99.69 02:30:01 1 0.49 0.00 0.11 0.02 0.02 99.36 02:40:24 all 0.26 0.00 0.08 0.01 0.02 99.62 02:40:24 0 0.07 0.00 0.09 0.02 0.03 99.78 02:40:24 1 0.46 0.00 0.06 0.00 0.01 99.47 02:40:24 CPU %user %nice %system %iowait %steal %idle 02:50:48 all 0.27 0.00 0.09 0.01 0.02 99.62 02:50:48 0 0.14 0.00 0.10 0.01 0.02 99.72 02:50:48 1 0.39 0.00 0.07 0.00 0.01 99.52 03:00:01 all 0.29 0.00 0.19 0.01 0.02 99.50 03:00:01 0 0.21 0.00 0.20 0.01 0.02 99.56 03:00:01 1 0.37 0.00 0.17 0.01 0.01 99.43 03:10:24 all 0.22 0.17 0.14 0.14 0.01 99.31 03:10:24 0 0.39 0.00 0.06 0.01 0.01 99.53 03:10:24 1 0.06 0.34 0.21 0.28 0.02 99.10 03:20:24 all 0.25 0.00 0.07 0.01 0.01 99.66 03:20:24 0 0.45 0.00 0.05 0.01 0.01 99.48 03:20:24 1 0.05 0.00 0.09 0.01 0.02 99.83 03:30:01 all 0.28 0.00 0.18 0.01 0.02 99.51 03:30:01 0 0.30 0.00 0.17 0.02 0.02 99.50 03:30:01 1 0.25 0.00 0.19 0.01 0.02 99.53 03:40:24 all 0.24 0.00 0.09 0.05 0.19 99.43 03:40:24 0 0.30 0.00 0.07 0.04 0.17 99.42 03:40:24 1 0.18 0.00 0.10 0.06 0.21 99.45 03:50:24 all 0.20 0.00 0.07 0.01 0.29 99.43 03:50:24 0 0.34 0.00 0.07 0.00 0.26 99.33 03:50:24 1 0.05 0.00 0.08 0.01 0.32 99.53 04:00:01 all 0.24 0.00 0.16 0.01 0.03 99.56 04:00:01 0 0.22 0.00 0.18 0.01 0.05 99.54 04:00:01 1 0.26 0.00 0.14 0.01 0.01 99.57 04:10:24 all 0.25 0.00 0.07 0.01 0.01 99.65 04:10:24 0 0.23 0.00 0.08 0.00 0.01 99.68 04:10:24 1 0.27 0.00 0.07 0.02 0.01 99.63 04:20:24 all 0.25 0.00 0.08 0.02 0.03 99.62 04:20:24 0 0.29 0.00 0.07 0.01 0.03 99.61 04:20:24 1 0.22 0.00 0.09 0.03 0.03 99.64 04:30:01 all 0.31 0.00 0.16 0.01 0.02 99.49 04:30:01 0 0.10 0.00 0.18 0.01 0.02 99.69 04:30:01 1 0.52 0.00 0.15 0.02 0.01 99.30 Average: CPU %user %nice %system %iowait %steal %idle Average: all 0.26 0.01 0.11 0.02 0.04 99.56 Average: 0 0.27 0.00 0.11 0.01 0.04 99.57 Average: 1 0.25 0.02 0.11 0.03 0.05 99.55