---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1508 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 403 1395 0 2144 3277 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:3e:21:da brd ff:ff:ff:ff:ff:ff inet 10.32.7.88/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fe3e:21da/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-1508) 07/28/25 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 99.23 33.06 66.17 1104.48 5640.39 07:07:01 82.42 29.91 52.51 1681.19 8958.11 07:08:01 56.14 8.48 47.66 487.65 6654.89 07:09:01 24.90 0.40 24.50 38.26 4812.13 Average: 65.67 17.96 47.71 827.90 6516.38 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1867904 3336632 2170740 53.75 38636 1592620 649780 12.77 570936 1441888 88548 07:07:01 1587688 3301776 2450956 60.69 57176 1804628 693644 13.64 614200 1648596 95764 07:08:01 1502608 3424664 2536036 62.79 62904 2001980 527380 10.37 603080 1735296 129968 07:09:01 1494480 3421060 2544164 63.00 64972 2003860 527964 10.38 612324 1732460 12144 Average: 1613170 3371033 2425474 60.06 55922 1850772 599692 11.79 600135 1639560 81606 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 364.87 222.51 1426.23 66.09 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 74.74 48.33 429.35 14.17 0.00 0.00 0.00 0.00 07:07:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 267.87 300.97 1259.57 643.09 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 13.25 13.76 10.42 6.76 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 180.18 146.39 781.39 182.53 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 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-1508) 07/28/25 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.56 0.00 1.52 3.34 2.31 70.26 07:06:01 0 32.81 0.00 1.82 0.94 2.10 62.31 07:06:01 1 7.29 0.00 1.05 2.88 1.83 86.94 07:06:01 2 31.41 0.00 1.88 2.94 2.51 61.26 07:06:01 3 18.86 0.00 1.33 6.55 2.81 70.45 07:07:01 all 21.68 0.00 1.48 2.31 1.93 72.60 07:07:01 0 6.81 0.00 0.53 0.53 0.91 91.21 07:07:01 1 22.77 0.00 1.42 0.71 1.98 73.12 07:07:01 2 35.78 0.00 2.52 1.49 3.19 57.02 07:07:01 3 21.16 0.00 1.45 6.57 1.63 69.20 07:08:01 all 35.44 0.00 1.71 1.01 3.18 58.66 07:08:01 0 28.55 0.00 1.45 0.39 3.09 66.51 07:08:01 1 50.24 0.00 1.86 1.08 3.28 43.54 07:08:01 2 33.63 0.00 1.44 0.94 3.14 60.85 07:08:01 3 29.42 0.00 2.06 1.64 3.19 63.69 07:09:01 all 20.86 0.00 0.93 1.04 1.47 75.70 07:09:01 0 46.53 0.00 1.03 0.32 2.04 50.08 07:09:01 1 10.61 0.00 0.95 0.88 0.86 86.71 07:09:01 2 21.46 0.00 0.98 0.22 1.29 76.06 07:09:01 3 5.06 0.00 0.74 2.73 1.68 89.79 Average: all 25.14 0.00 1.41 1.93 2.22 69.30 Average: 0 28.67 0.00 1.21 0.55 2.04 67.54 Average: 1 22.70 0.00 1.32 1.39 1.99 72.60 Average: 2 30.58 0.00 1.71 1.40 2.53 63.78 Average: 3 18.61 0.00 1.39 4.37 2.33 73.30