---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1649 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 464 5064 0 2447 7224 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:85:a7:52 brd ff:ff:ff:ff:ff:ff inet 10.32.6.179/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe85:a752/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1649) 05/23/26 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 155.27 74.75 80.52 4548.18 40163.86 23:20:01 53.90 0.19 53.71 22.37 9305.86 23:21:01 76.66 33.42 43.24 2136.49 10488.50 23:22:01 16.29 7.08 9.21 286.84 3425.39 23:23:01 29.81 1.45 28.36 103.18 7666.72 Average: 66.43 23.46 42.97 1424.02 14225.82 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 6013720 7430820 2153692 26.37 36356 1560832 693468 7.52 567568 1424544 92228 23:20:01 5685484 7394048 2481928 30.39 57040 1813424 709200 7.70 606072 1676856 174668 23:21:01 5136252 7120988 3031160 37.11 63688 2075788 980576 10.64 929872 1887424 92008 23:22:01 4786324 6793156 3381088 41.40 65572 2094724 1212748 13.16 1290160 1870736 4056 23:23:01 5213964 7422108 2953448 36.16 69948 2287432 665952 7.23 722772 2005856 26020 Average: 5367149 7232224 2800263 34.29 58521 1966440 852389 9.25 823289 1773083 77796 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 23:19:02 ens3 338.68 189.32 1432.59 62.89 0.00 0.00 0.00 0.00 23:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:20:01 ens3 51.76 40.95 485.68 4.81 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:21:01 ens3 233.07 211.23 3182.80 32.65 0.00 0.00 0.00 0.00 23:22:01 lo 119.96 119.96 36.40 36.40 0.00 0.00 0.00 0.00 23:22:01 ens3 29.41 27.04 121.22 5.16 0.00 0.00 0.00 0.00 23:23:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:23:01 ens3 113.81 99.58 1231.13 18.94 0.00 0.00 0.00 0.00 Average: lo 24.85 24.85 7.38 7.38 0.00 0.00 0.00 0.00 Average: ens3 153.68 113.87 1293.37 24.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1649) 05/23/26 _x86_64_ (4 CPU) 23:17:56 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 19.73 0.00 2.65 5.86 3.20 68.56 23:19:02 0 18.76 0.00 4.12 3.77 2.50 70.85 23:19:02 1 10.60 0.00 1.88 11.24 3.13 73.17 23:19:02 2 24.95 0.00 2.49 6.66 3.94 61.96 23:19:02 3 24.63 0.00 2.13 1.75 3.23 68.26 23:20:01 all 19.49 0.00 1.21 2.32 1.37 75.61 23:20:01 0 0.22 0.00 0.10 0.24 0.24 99.21 23:20:01 1 5.65 0.00 0.57 4.31 0.86 88.61 23:20:01 2 32.61 0.00 2.27 2.99 2.40 59.72 23:20:01 3 39.39 0.00 1.90 1.73 1.99 54.99 23:21:01 all 20.93 0.00 1.36 1.95 4.83 70.93 23:21:01 0 19.45 0.00 0.86 0.18 4.27 75.23 23:21:01 1 20.43 0.00 1.51 3.33 4.99 69.74 23:21:01 2 24.88 0.00 1.37 2.00 5.05 66.70 23:21:01 3 18.98 0.00 1.65 2.28 5.00 72.09 23:22:01 all 43.36 0.00 1.63 0.57 6.83 47.61 23:22:01 0 36.91 0.00 1.74 0.68 6.49 54.17 23:22:01 1 44.19 0.00 1.99 0.83 7.03 45.96 23:22:01 2 46.82 0.00 1.52 0.43 6.87 44.36 23:22:01 3 45.51 0.00 1.29 0.34 6.91 45.95 23:23:01 all 25.65 0.00 1.45 1.09 2.83 68.98 23:23:01 0 8.10 0.00 0.96 0.66 1.88 88.40 23:23:01 1 43.97 0.00 1.90 0.66 3.22 50.25 23:23:01 2 29.08 0.00 1.64 1.91 3.72 63.65 23:23:01 3 21.46 0.00 1.27 1.13 2.53 73.61 Average: all 25.88 0.00 1.66 2.35 3.83 66.28 Average: 0 16.82 0.00 1.56 1.11 3.10 77.41 Average: 1 25.05 0.00 1.57 4.07 3.87 65.45 Average: 2 31.66 0.00 1.85 2.79 4.41 59.28 Average: 3 29.96 0.00 1.65 1.45 3.95 63.00