---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1516 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 7.6G 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 471 5409 0 2094 7225 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:30:a2:00 brd ff:ff:ff:ff:ff:ff inet 10.32.7.9/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe30:a200/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1516) 12/23/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 141.50 56.95 84.56 3636.79 40552.50 19:15:01 69.68 12.79 56.89 308.56 9801.73 19:16:01 62.96 6.00 56.96 386.20 7519.81 19:17:01 21.04 1.20 19.84 67.31 4244.59 Average: 73.81 19.26 54.55 1103.09 15554.19 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5986624 7408316 2180788 26.70 37036 1564744 710324 7.71 594516 1424800 85472 19:15:01 5711600 7372592 2455812 30.07 57140 1767996 830676 9.01 652180 1610308 123124 19:16:01 5535140 7385688 2632272 32.23 62724 1947732 710532 7.71 714808 1714652 101064 19:17:01 5491328 7348832 2676084 32.77 64804 1951956 739288 8.02 758660 1713084 8868 Average: 5681173 7378857 2486239 30.44 55426 1808107 747705 8.11 680041 1615711 79632 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:14:02 ens3 427.04 215.93 1438.59 63.26 0.00 0.00 0.00 0.00 19:15:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 19:15:01 ens3 91.07 50.40 471.39 16.09 0.00 0.00 0.00 0.00 19:16:01 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 19:16:01 ens3 247.41 255.64 1235.35 44.35 0.00 0.00 0.00 0.00 19:17:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 19:17:01 ens3 46.93 57.05 26.20 535.58 0.00 0.00 0.00 0.00 Average: lo 0.96 0.96 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 203.58 145.15 794.22 165.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1516) 12/23/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 20.60 0.00 2.46 4.78 2.57 69.58 19:14:02 0 17.45 0.00 1.91 6.10 2.17 72.36 19:14:02 1 21.64 0.00 1.97 3.49 2.22 70.68 19:14:02 2 11.79 0.00 4.09 5.66 2.71 75.75 19:14:02 3 31.55 0.00 1.87 3.85 3.21 59.52 19:15:01 all 22.04 0.00 1.46 2.00 1.80 72.70 19:15:01 0 8.35 0.00 0.49 0.07 1.05 90.05 19:15:01 1 38.33 0.00 2.10 1.40 2.54 55.63 19:15:01 2 10.62 0.00 0.71 0.10 1.35 87.22 19:15:01 3 30.88 0.00 2.50 6.43 2.28 57.92 19:16:01 all 32.80 0.00 1.71 1.24 4.76 59.49 19:16:01 0 45.53 0.00 1.66 0.56 5.20 47.05 19:16:01 1 26.57 0.00 1.46 0.92 4.30 66.74 19:16:01 2 29.02 0.00 2.00 2.08 4.74 62.16 19:16:01 3 30.09 0.00 1.75 1.41 4.81 61.94 19:17:01 all 19.68 0.00 0.80 0.71 1.36 77.45 19:17:01 0 14.94 0.00 1.00 1.66 1.03 81.37 19:17:01 1 12.28 0.00 0.61 0.13 1.05 85.93 19:17:01 2 3.99 0.00 0.43 0.63 0.71 94.23 19:17:01 3 47.35 0.00 1.11 0.41 2.63 48.50 Average: all 23.81 0.00 1.61 2.18 2.63 69.76 Average: 0 21.69 0.00 1.27 2.10 2.38 72.56 Average: 1 24.65 0.00 1.53 1.49 2.53 69.80 Average: 2 13.91 0.00 1.82 2.13 2.39 79.75 Average: 3 34.98 0.00 1.80 3.00 3.24 56.98