---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7723 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 7.6G 12G 40% / 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 474 5351 0 2149 7222 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:44:25:08 brd ff:ff:ff:ff:ff:ff inet 10.32.6.251/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe44:2508/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7723) 10/30/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 106.58 53.91 52.67 3549.54 6305.77 07:07:01 78.94 30.47 48.47 1718.90 8483.44 07:08:01 62.60 8.80 53.80 495.97 6935.02 07:09:01 27.83 0.38 27.45 37.60 4902.27 Average: 68.95 23.36 45.59 1449.40 6649.07 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5941984 7383264 2225428 27.25 38668 1581312 730276 7.92 623176 1437252 68412 07:07:01 5612556 7314088 2554856 31.28 57152 1808276 830916 9.02 708244 1651924 104852 07:08:01 5550704 7461780 2616708 32.04 63180 2006480 633136 6.87 672912 1738668 130344 07:09:01 5458180 7381892 2709232 33.17 65264 2016800 705336 7.65 759944 1743120 17328 Average: 5640856 7385256 2526556 30.93 56066 1853217 724916 7.87 691069 1642741 80234 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 304.43 176.40 1452.14 61.23 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 83.88 49.60 438.49 16.94 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 272.24 301.02 1264.90 643.18 0.00 0.00 0.00 0.00 07:08:01 lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 12.88 13.53 9.87 15.48 0.00 0.00 0.00 0.00 07:09:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 168.72 135.51 792.88 184.94 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7723) 10/30/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.01 0.00 1.80 3.68 3.70 68.81 07:06:02 0 23.98 0.00 1.82 1.67 3.25 69.29 07:06:02 1 12.31 0.00 1.05 3.97 3.56 79.11 07:06:02 2 40.83 0.00 2.63 2.83 5.31 48.39 07:06:02 3 10.83 0.00 1.71 6.24 2.69 78.53 07:07:01 all 20.96 0.00 1.33 2.98 2.85 71.88 07:07:01 0 13.78 0.00 0.82 1.25 1.68 82.46 07:07:01 1 13.60 0.00 0.77 2.34 3.19 80.11 07:07:01 2 50.56 0.00 2.84 1.99 4.69 39.92 07:07:01 3 5.78 0.00 0.89 6.35 1.80 85.19 07:08:01 all 33.88 0.00 1.65 1.23 5.02 58.22 07:08:01 0 27.74 0.00 1.45 0.76 4.35 65.71 07:08:01 1 23.27 0.00 1.54 0.52 5.33 69.34 07:08:01 2 53.71 0.00 2.21 0.70 6.33 37.05 07:08:01 3 30.81 0.00 1.40 2.96 4.09 60.75 07:09:01 all 20.17 0.00 0.88 1.40 1.55 76.00 07:09:01 0 0.42 0.00 0.22 0.02 0.25 99.10 07:09:01 1 21.11 0.00 1.11 0.81 1.90 75.07 07:09:01 2 53.60 0.00 1.49 0.45 2.90 41.57 07:09:01 3 5.42 0.00 0.75 4.32 1.14 88.37 Average: all 24.28 0.00 1.42 2.32 3.29 68.69 Average: 0 16.53 0.00 1.08 0.92 2.39 79.07 Average: 1 17.59 0.00 1.12 1.91 3.50 75.88 Average: 2 49.66 0.00 2.29 1.49 4.82 41.74 Average: 3 13.26 0.00 1.19 4.96 2.43 78.15