---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1550 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 7.8G 12G 41% / 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 448 5109 0 2418 7241 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:5c:03:1a brd ff:ff:ff:ff:ff:ff inet 10.32.7.247/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe5c:31a/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-1550) 05/23/26 _x86_64_ (4 CPU) 05:56:57 LINUX RESTART (4 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:01 162.01 79.11 82.91 4786.94 40737.10 05:59:01 60.87 5.57 55.30 175.87 9925.73 06:00:01 69.14 30.56 38.59 2063.71 9495.63 06:01:01 14.03 4.50 9.53 143.71 3088.69 06:02:01 34.33 4.18 30.15 184.01 7365.22 Average: 68.08 24.78 43.29 1470.89 14122.67 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 6011408 7439932 2156012 26.40 36920 1571520 685220 7.44 562632 1432888 87756 05:59:01 5769288 7493140 2398132 29.36 57044 1828888 604148 6.56 513496 1687964 155016 06:00:01 4848848 6831372 3318572 40.63 63744 2073396 1352692 14.68 1226424 1876468 87244 06:01:01 4819308 6902388 3348112 40.99 66396 2167972 1127260 12.23 1208896 1916316 92340 06:02:01 5255288 7434448 2912132 35.66 69968 2258924 670888 7.28 707108 1981892 8960 Average: 5340828 7220256 2826592 34.61 58814 1980140 888042 9.64 843711 1779106 86263 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 ens3 402.38 224.26 1519.87 65.22 0.00 0.00 0.00 0.00 05:58:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 05:59:01 ens3 62.02 47.88 551.37 8.71 0.00 0.00 0.00 0.00 05:59:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 06:00:01 ens3 223.14 205.86 2930.84 28.37 0.00 0.00 0.00 0.00 06:00:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 06:01:01 ens3 66.36 63.96 590.74 9.76 0.00 0.00 0.00 0.00 06:01:01 lo 120.95 120.95 36.34 36.34 0.00 0.00 0.00 0.00 06:02:01 ens3 67.31 61.19 475.27 14.48 0.00 0.00 0.00 0.00 06:02:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 164.24 120.63 1213.63 25.31 0.00 0.00 0.00 0.00 Average: lo 25.01 25.01 7.34 7.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1550) 05/23/26 _x86_64_ (4 CPU) 05:56:57 LINUX RESTART (4 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:01 all 19.87 0.00 2.69 5.59 2.76 69.10 05:58:01 0 17.95 0.00 1.50 4.16 2.29 74.10 05:58:01 1 17.94 0.00 4.44 7.82 2.59 67.20 05:58:01 2 7.47 0.00 1.92 4.54 2.93 83.15 05:58:01 3 36.24 0.00 2.89 5.83 3.22 51.82 05:59:01 all 20.54 0.00 1.29 2.39 2.05 73.73 05:59:01 0 19.38 0.00 1.17 0.10 1.59 77.76 05:59:01 1 29.09 0.00 1.49 7.94 1.94 59.55 05:59:01 2 4.18 0.00 0.54 1.02 2.78 91.48 05:59:01 3 29.78 0.00 1.97 0.51 1.89 65.85 06:00:01 all 27.29 0.00 1.44 1.92 5.17 64.18 06:00:01 0 22.50 0.00 2.10 1.71 5.68 68.00 06:00:01 1 28.53 0.00 1.71 3.39 4.82 61.54 06:00:01 2 32.09 0.00 0.65 0.47 5.26 61.52 06:00:01 3 26.02 0.00 1.30 2.10 4.95 65.63 06:01:01 all 38.93 0.00 1.38 0.41 6.72 52.57 06:01:01 0 31.01 0.00 1.89 1.09 6.43 59.59 06:01:01 1 39.61 0.00 1.11 0.15 6.62 52.51 06:01:01 2 42.40 0.00 1.31 0.20 6.81 49.28 06:01:01 3 42.76 0.00 1.20 0.20 7.01 48.83 06:02:01 all 21.84 0.00 1.29 1.51 2.09 73.27 06:02:01 0 19.19 0.00 1.18 4.42 1.87 73.33 06:02:01 1 10.69 0.00 0.55 0.08 2.05 86.63 06:02:01 2 23.71 0.00 1.65 0.30 1.87 72.47 06:02:01 3 33.75 0.00 1.78 1.24 2.56 60.67 Average: all 25.71 0.00 1.62 2.36 3.77 66.54 Average: 0 22.04 0.00 1.57 2.29 3.59 70.51 Average: 1 25.21 0.00 1.86 3.87 3.61 65.45 Average: 2 21.94 0.00 1.21 1.31 3.93 71.61 Average: 3 33.71 0.00 1.83 1.98 3.93 58.55