---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8838 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: 2800.000 BogoMIPS: 5600.00 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 7.7G 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 478 5265 0 2231 7216 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:cb:91:23 brd ff:ff:ff:ff:ff:ff inet 10.32.7.248/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fecb:9123/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8838) 08/21/26 _x86_64_ (4 CPU) 19:12:50 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 114.66 54.01 60.66 3548.74 5455.11 19:15:01 58.20 5.73 52.47 200.07 9961.08 19:16:01 77.24 12.90 64.34 505.92 10484.39 19:17:01 24.39 1.53 22.86 101.57 4491.44 Average: 68.62 18.54 50.08 1088.99 7597.97 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5960228 7407752 2207192 27.02 38516 1588112 708428 7.69 598236 1445484 101372 19:15:01 5688676 7480412 2478744 30.35 57168 1895484 616932 6.69 522540 1755156 212404 19:16:01 5372952 7367424 2794468 34.21 64036 2086244 715672 7.77 730808 1852184 110696 19:17:01 5414384 7412116 2753036 33.71 66184 2087128 651124 7.07 700784 1839864 10744 Average: 5609060 7416926 2558360 31.32 56476 1914242 673039 7.30 638092 1723172 108804 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 427.06 247.06 1509.19 67.35 0.00 0.00 0.00 0.00 19:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 76.59 68.54 891.24 11.75 0.00 0.00 0.00 0.00 19:15:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:16:01 ens3 250.91 229.58 1221.34 52.62 0.00 0.00 0.00 0.00 19:16:01 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 19:17:01 ens3 56.53 57.11 37.54 531.06 0.00 0.00 0.00 0.00 19:17:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 202.76 150.57 914.79 165.71 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8838) 08/21/26 _x86_64_ (4 CPU) 19:12:50 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 23.15 0.00 1.79 3.52 1.49 70.04 19:14:01 0 31.22 0.00 2.18 2.24 1.46 62.89 19:14:01 1 10.45 0.00 1.15 2.66 1.19 84.55 19:14:01 2 31.35 0.00 2.56 5.13 1.91 59.05 19:14:01 3 19.56 0.00 1.31 4.09 1.41 73.63 19:15:01 all 20.91 0.00 1.43 1.63 1.24 74.79 19:15:01 0 13.92 0.00 0.83 0.10 0.58 84.57 19:15:01 1 11.60 0.00 1.25 1.63 1.70 83.82 19:15:01 2 43.67 0.00 2.50 0.25 1.60 51.98 19:15:01 3 14.58 0.00 1.14 4.51 1.10 78.66 19:16:01 all 39.81 0.00 2.11 1.29 3.33 53.47 19:16:01 0 42.31 0.00 2.30 1.16 3.31 50.91 19:16:01 1 30.98 0.00 2.11 2.01 3.05 61.84 19:16:01 2 50.15 0.00 2.29 0.78 3.63 43.15 19:16:01 3 35.85 0.00 1.72 1.16 3.33 57.94 19:17:01 all 19.80 0.00 1.00 1.03 1.03 77.13 19:17:01 0 13.14 0.00 0.85 1.03 0.98 84.01 19:17:01 1 43.53 0.00 1.21 0.80 1.45 53.02 19:17:01 2 10.45 0.00 0.78 0.30 0.78 87.69 19:17:01 3 12.11 0.00 1.20 2.03 0.91 83.75 Average: all 25.93 0.00 1.58 1.87 1.78 68.85 Average: 0 25.16 0.00 1.54 1.13 1.59 70.58 Average: 1 24.13 0.00 1.43 1.78 1.85 70.82 Average: 2 33.90 0.00 2.03 1.62 1.98 60.47 Average: 3 20.54 0.00 1.34 2.95 1.69 73.48