---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28516 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 781 5086 4 2367 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:b8:ad:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76995sec preferred_lft 76995sec inet6 fe80::f816:3eff:feb8:adec/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-28516) 06/19/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.41 0.03 1.38 0.00 1.24 16.62 0.12 02:20:00 1.43 0.01 1.41 0.01 0.07 16.67 0.72 02:30:24 2.00 0.24 1.72 0.04 29.80 75.19 629.99 02:40:01 1.39 0.01 1.38 0.00 1.10 16.69 0.06 02:50:24 1.38 0.00 1.38 0.00 0.00 16.57 0.00 03:00:14 1.61 0.00 1.60 0.01 0.00 19.58 664.49 03:10:01 24.36 3.06 18.99 2.32 230.88 3524.66 602.78 03:20:24 1.35 0.00 1.35 0.00 0.00 21.91 0.05 03:30:24 15.16 0.00 1.63 13.52 0.15 24.19 106500.50 03:40:01 1.45 0.00 1.43 0.02 0.00 135.72 3.36 03:50:24 1.42 0.00 1.38 0.04 0.00 19.01 5.48 04:00:14 1.74 0.00 1.68 0.06 0.00 24.10 5.52 04:10:24 1.38 0.00 1.35 0.02 0.00 28.26 386.17 04:20:24 1.37 0.01 1.34 0.03 0.20 67.29 3.67 04:30:24 1.70 0.00 1.66 0.04 0.00 26.93 4.07 Average: 3.91 0.22 2.62 1.07 17.27 263.26 7236.57 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6313764 7553752 267572 3.29 30016 1416156 529240 5.76 440144 1178732 132 02:20:00 6296060 7536592 284716 3.50 30220 1416488 529240 5.76 444712 1179268 120 02:30:24 6252404 7520032 300640 3.70 30644 1442740 726648 7.91 459208 1197180 212 02:40:01 6267040 7535456 285224 3.51 30812 1443352 529420 5.77 454104 1197644 216 02:50:24 6289216 7558300 262352 3.23 30988 1443840 529496 5.77 454552 1198184 128 03:00:14 6277192 7546768 273780 3.37 31168 1444132 529976 5.77 455180 1198656 132 03:10:01 5177832 7368944 398740 4.90 86396 2265344 632076 6.88 591124 2029976 512 03:20:24 5173244 7366524 401176 4.93 86540 2267364 640812 6.98 591680 2032140 396 03:30:24 5174208 7368696 398872 4.90 86684 2268432 660340 7.19 611544 2033316 316 03:40:01 5130148 7359400 408136 5.02 86880 2302940 694944 7.57 644872 2067892 24 03:50:24 5129972 7360116 407400 5.01 87088 2303604 695012 7.57 644968 2068772 132 04:00:14 5104216 7335164 432248 5.32 87292 2304196 696080 7.58 646060 2069568 136 04:10:24 5129808 7364260 403068 4.96 87476 2307512 650304 7.08 599896 2073024 240 04:20:24 5084068 7334392 432784 5.32 87656 2322956 673964 7.34 623408 2088692 280 04:30:24 5058740 7311344 455852 5.61 87832 2325032 697628 7.60 647808 2090812 276 Average: 5590527 7427983 360837 4.44 64513 1951606 627679 6.84 553951 1713590 217 02:00:01 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 1.56 0.05 0.18 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.37 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 1.50 0.43 8.55 0.04 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 0.64 0.07 1.21 0.05 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.38 0.09 0.12 0.06 0.00 0.00 0.00 0.00 03:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:14 ens3 0.41 0.22 0.13 0.47 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 79.32 56.11 436.51 12.78 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 17.16 15.26 162.09 1.28 0.00 0.00 0.00 0.00 03:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:24 ens3 3.55 3.09 5.15 0.53 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 5.52 4.23 38.48 0.39 0.00 0.00 0.00 0.00 03:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:24 ens3 2.56 1.72 0.32 0.22 0.00 0.00 0.00 0.00 04:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:14 ens3 2.64 1.75 0.39 0.27 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 14.35 13.85 146.57 1.52 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 12.84 12.35 122.03 1.51 0.00 0.00 0.00 0.00 04:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:24 ens3 14.51 13.79 140.14 1.19 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.40 8.15 70.50 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28516) 06/19/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.08 0.04 0.02 99.58 02:10:01 0 0.05 0.00 0.09 0.04 0.03 99.80 02:10:01 1 0.50 0.00 0.06 0.05 0.02 99.37 02:20:00 all 0.28 0.00 0.08 0.15 0.02 99.47 02:20:00 0 0.11 0.00 0.09 0.20 0.03 99.58 02:20:00 1 0.45 0.00 0.06 0.10 0.02 99.37 02:30:24 all 0.43 0.00 0.20 0.04 0.02 99.31 02:30:24 0 0.34 0.00 0.23 0.05 0.03 99.35 02:30:24 1 0.52 0.00 0.17 0.03 0.02 99.26 02:40:01 all 0.25 0.00 0.08 0.07 0.02 99.58 02:40:01 0 0.08 0.00 0.10 0.10 0.03 99.70 02:40:01 1 0.41 0.00 0.06 0.04 0.01 99.47 02:50:24 all 0.29 0.00 0.08 0.03 0.02 99.58 02:50:24 0 0.31 0.00 0.08 0.02 0.02 99.57 02:50:24 1 0.27 0.00 0.07 0.05 0.02 99.58 03:00:14 all 0.29 0.00 0.18 0.04 0.02 99.48 03:00:14 0 0.13 0.00 0.19 0.01 0.03 99.64 03:00:14 1 0.44 0.00 0.16 0.06 0.02 99.31 03:10:01 all 12.54 0.00 1.88 1.26 0.07 84.25 03:10:01 0 15.54 0.00 2.18 1.17 0.07 81.05 03:10:01 1 9.55 0.00 1.58 1.35 0.06 87.46 03:20:24 all 0.86 0.00 0.23 0.07 0.05 98.79 03:20:24 0 0.77 0.00 0.26 0.05 0.06 98.86 03:20:24 1 0.95 0.00 0.20 0.08 0.04 98.73 03:30:24 all 6.25 0.00 0.76 0.07 0.07 92.86 03:30:24 0 9.76 0.00 1.08 0.10 0.08 88.97 03:30:24 1 2.87 0.00 0.44 0.04 0.06 96.58 03:40:01 all 2.83 0.00 0.35 0.04 0.06 96.72 03:40:01 0 1.84 0.00 0.29 0.06 0.07 97.74 03:40:01 1 3.82 0.00 0.41 0.03 0.05 95.69 03:50:24 all 0.60 0.00 0.15 0.94 0.05 98.26 03:50:24 0 0.62 0.00 0.19 0.52 0.07 98.60 03:50:24 1 0.59 0.00 0.10 1.35 0.03 97.92 03:50:24 CPU %user %nice %system %iowait %steal %idle 04:00:14 all 0.64 0.00 0.24 0.08 0.05 98.99 04:00:14 0 0.67 0.00 0.25 0.05 0.06 98.98 04:00:14 1 0.62 0.00 0.23 0.10 0.04 99.01 04:10:24 all 1.27 0.00 0.22 0.03 0.06 98.43 04:10:24 0 0.79 0.00 0.19 0.00 0.04 98.97 04:10:24 1 1.75 0.00 0.24 0.06 0.07 97.89 04:20:24 all 2.79 0.00 0.48 0.03 0.06 96.65 04:20:24 0 4.30 0.00 0.69 0.03 0.07 94.92 04:20:24 1 1.28 0.00 0.27 0.03 0.05 98.38 04:30:24 all 0.94 0.00 0.30 0.02 0.05 98.69 04:30:24 0 0.82 0.00 0.33 0.03 0.05 98.77 04:30:24 1 1.06 0.00 0.27 0.01 0.05 98.60 Average: all 2.00 0.00 0.35 0.19 0.04 97.42 Average: 0 2.35 0.00 0.41 0.16 0.05 97.03 Average: 1 1.65 0.00 0.29 0.23 0.04 97.80