---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1652 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 408 1386 0 2148 3272 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:0d:53:ac brd ff:ff:ff:ff:ff:ff inet 10.32.7.86/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe0d:53ac/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-1652) 07/30/25 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 119.96 54.24 65.72 3575.54 14599.97 07:07:01 81.86 30.44 51.41 1709.37 9091.92 07:08:01 63.47 8.57 54.91 492.45 7368.24 07:09:01 22.46 0.33 22.13 33.59 4715.76 Average: 71.90 23.37 48.53 1451.63 8943.19 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 1868428 3328364 2170224 53.74 38472 1583852 643244 12.64 571840 1439864 99012 07:07:01 1573704 3292004 2464948 61.03 57256 1808532 698164 13.72 621216 1652064 107584 07:08:01 1481784 3408940 2556868 63.31 62968 2006656 530456 10.43 617584 1738528 127948 07:09:01 1419888 3349824 2618764 64.84 65004 2007508 595016 11.70 684192 1735716 10864 Average: 1585951 3344783 2452701 60.73 55925 1851637 616720 12.12 623708 1641543 86352 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 384.52 227.73 1452.98 66.86 0.00 0.00 0.00 0.00 07:06:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 74.81 46.40 435.94 13.98 0.00 0.00 0.00 0.00 07:07:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 261.32 296.33 1260.92 637.13 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 10.43 11.33 8.34 5.53 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 183.21 145.85 790.96 181.55 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 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-1652) 07/30/25 _x86_64_ (4 CPU) 07:04:51 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 23.22 0.00 1.69 3.56 1.85 69.69 07:06:02 0 23.06 0.00 2.00 2.86 2.32 69.75 07:06:02 1 14.40 0.00 1.59 5.61 1.39 77.01 07:06:02 2 16.82 0.00 1.44 2.55 1.69 77.50 07:06:02 3 38.67 0.00 1.72 3.23 2.00 54.39 07:07:01 all 22.80 0.00 1.40 2.40 1.70 71.70 07:07:01 0 16.78 0.00 0.87 0.55 2.35 79.44 07:07:01 1 7.57 0.00 0.59 1.01 0.86 89.97 07:07:01 2 26.61 0.00 1.91 4.81 1.77 64.91 07:07:01 3 40.42 0.00 2.21 3.24 1.81 52.32 07:08:01 all 35.91 0.00 1.88 1.00 2.90 58.32 07:08:01 0 31.69 0.00 1.67 0.54 2.87 63.22 07:08:01 1 28.53 0.00 1.93 1.62 2.89 65.03 07:08:01 2 31.11 0.00 1.81 0.23 2.70 64.14 07:08:01 3 52.24 0.00 2.11 1.60 3.14 40.91 07:09:01 all 19.38 0.00 0.74 0.72 1.15 78.00 07:09:01 0 5.47 0.00 0.55 0.02 0.43 93.53 07:09:01 1 7.00 0.00 0.56 0.63 0.91 90.89 07:09:01 2 54.67 0.00 1.41 1.53 2.31 40.09 07:09:01 3 10.37 0.00 0.46 0.73 0.94 87.49 Average: all 25.35 0.00 1.43 1.92 1.90 69.41 Average: 0 19.28 0.00 1.27 1.00 2.00 76.45 Average: 1 14.41 0.00 1.17 2.22 1.52 80.68 Average: 2 32.32 0.00 1.64 2.27 2.12 61.65 Average: 3 35.42 0.00 1.62 2.19 1.97 58.79