---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1401 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xtopology 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 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 8.0G 12G 42% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 462 4926 0 2586 7227 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:6c:f6:fc brd ff:ff:ff:ff:ff:ff inet 10.32.6.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86020sec preferred_lft 86020sec inet6 fe80::f816:3eff:fe6c:f6fc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1401) 04/25/26 _x86_64_ (4 CPU) 15:07:59 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 195.52 112.28 83.24 5514.68 40257.84 15:10:01 74.50 21.78 52.72 1391.90 8951.84 15:11:01 44.96 8.15 36.81 267.96 13850.49 15:12:01 8.73 0.00 8.73 0.00 334.48 15:13:01 47.07 2.17 44.90 115.29 8868.51 15:14:01 27.45 0.70 26.75 77.85 4810.53 Average: 66.37 24.18 42.19 1227.92 12845.51 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 6037112 7425204 2130300 26.08 36116 1532992 699360 7.59 573520 1396688 68400 15:10:01 5718144 7405692 2449268 29.99 56524 1795876 826852 8.97 631452 1625660 129816 15:11:01 5333952 7312208 2833460 34.69 58596 2079832 776192 8.42 724776 1905720 1408 15:12:01 5323308 7309128 2844104 34.82 60532 2084476 784160 8.51 730108 1909408 2380 15:13:01 5046796 7388048 3120616 38.21 65416 2427588 707092 7.67 669544 2232492 109816 15:14:01 5043440 7396300 3123972 38.25 67812 2436416 693340 7.52 668316 2235768 10324 Average: 5417125 7372763 2750287 33.67 57499 2059530 747833 8.11 666286 1884289 53691 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 lo 2.13 2.13 0.19 0.19 0.00 0.00 0.00 0.00 15:09:01 ens3 448.78 254.77 1225.03 67.44 0.00 0.00 0.00 0.00 15:10:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 15:10:01 ens3 70.34 49.94 712.90 14.10 0.00 0.00 0.00 0.00 15:11:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:11:01 ens3 211.00 163.34 4617.24 19.00 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 58.16 82.97 65.38 13.73 0.00 0.00 0.00 0.00 15:13:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 615.36 522.08 4083.56 68.95 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:14:01 ens3 12.06 11.86 10.02 5.94 0.00 0.00 0.00 0.00 Average: lo 0.88 0.88 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 235.96 180.84 1785.75 31.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1401) 04/25/26 _x86_64_ (4 CPU) 15:07:59 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.33 0.00 2.95 7.37 2.36 65.98 15:09:01 0 11.28 0.00 4.72 12.18 2.04 69.79 15:09:01 1 21.85 0.00 2.13 6.95 2.97 66.11 15:09:01 2 36.51 0.00 2.68 7.81 2.63 50.36 15:09:01 3 15.68 0.00 2.27 2.54 1.83 77.68 15:10:01 all 21.05 0.00 1.37 2.59 1.92 73.08 15:10:01 0 10.38 0.00 0.57 0.38 0.90 87.77 15:10:01 1 31.78 0.00 2.26 6.69 1.88 57.39 15:10:01 2 20.91 0.00 1.29 1.89 2.34 73.57 15:10:01 3 21.08 0.00 1.38 1.40 2.53 73.61 15:11:01 all 11.78 0.00 0.75 0.91 1.52 85.03 15:11:01 0 7.73 0.00 0.48 0.26 1.51 90.02 15:11:01 1 7.63 0.00 0.56 1.33 1.09 89.38 15:11:01 2 13.89 0.00 1.03 2.01 1.28 81.79 15:11:01 3 17.91 0.00 0.93 0.03 2.17 78.96 15:12:01 all 3.65 0.00 0.30 0.03 1.13 94.89 15:12:01 0 0.52 0.00 0.03 0.00 0.27 99.18 15:12:01 1 4.11 0.00 0.45 0.13 1.03 94.28 15:12:01 2 3.32 0.00 0.03 0.00 0.73 95.92 15:12:01 3 6.60 0.00 0.67 0.00 2.48 90.25 15:13:01 all 17.77 0.00 1.44 0.82 3.07 76.90 15:13:01 0 17.07 0.00 1.70 0.81 2.42 78.01 15:13:01 1 9.34 0.00 1.23 1.53 2.76 85.14 15:13:01 2 14.06 0.00 1.18 0.84 2.83 81.08 15:13:01 3 30.56 0.00 1.62 0.13 4.27 63.42 15:14:01 all 19.53 0.00 0.92 1.20 1.87 76.48 15:14:01 0 5.13 0.00 0.50 0.21 1.06 93.10 15:14:01 1 15.70 0.00 1.07 3.01 2.14 78.08 15:14:01 2 15.00 0.00 0.81 1.19 1.41 81.59 15:14:01 3 42.26 0.00 1.35 0.36 2.85 53.17 Average: all 15.86 0.00 1.29 2.15 1.98 78.72 Average: 0 8.70 0.00 1.33 2.31 1.37 86.29 Average: 1 15.07 0.00 1.28 3.27 1.98 78.40 Average: 2 17.29 0.00 1.17 2.29 1.87 77.38 Average: 3 22.35 0.00 1.37 0.74 2.69 72.84