---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10000 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 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 467 5357 0 2150 7229 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:dc:38:e0 brd ff:ff:ff:ff:ff:ff inet 10.32.6.9/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fedc:38e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10000) 11/23/25 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 117.31 53.77 63.54 3524.75 5912.21 07:07:01 83.27 30.06 53.22 1705.43 8960.08 07:08:01 60.96 8.87 52.09 500.32 6994.70 07:09:01 23.73 0.33 23.40 33.59 4740.81 Average: 71.32 23.26 48.06 1441.03 6652.05 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5961388 7391420 2206032 27.01 37728 1571708 724816 7.86 610824 1429952 74044 07:07:01 5597360 7301852 2570060 31.47 57576 1810448 837832 9.09 718496 1654408 104616 07:08:01 5529900 7442940 2637520 32.29 63220 2008336 636500 6.91 689720 1740280 128096 07:09:01 5555012 7471312 2612408 31.99 65208 2009524 611512 6.64 666940 1737592 12128 Average: 5660915 7401881 2506505 30.69 55933 1850004 702665 7.62 671495 1640558 79721 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 446.13 257.66 1463.84 68.13 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 92.69 61.33 443.88 17.65 0.00 0.00 0.00 0.00 07:08:01 lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 254.16 286.10 1249.61 637.48 0.00 0.00 0.00 0.00 07:09:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 07:09:01 ens3 10.53 11.40 8.35 5.57 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 200.87 154.12 791.40 182.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10000) 11/23/25 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.74 0.00 1.98 3.60 1.59 69.08 07:06:01 0 29.73 0.00 1.68 2.71 1.74 64.14 07:06:01 1 16.80 0.00 1.86 8.78 1.43 71.14 07:06:01 2 19.47 0.00 2.21 0.98 1.78 75.55 07:06:01 3 29.01 0.00 2.16 1.93 1.43 65.46 07:07:01 all 23.62 0.00 1.45 2.45 1.55 70.93 07:07:01 0 16.31 0.00 1.13 4.34 1.01 77.20 07:07:01 1 17.89 0.00 0.93 3.21 1.23 76.74 07:07:01 2 6.45 0.00 0.76 1.67 2.00 89.11 07:07:01 3 53.95 0.00 2.95 0.60 1.93 40.58 07:08:01 all 35.08 0.00 1.91 1.10 2.35 59.56 07:08:01 0 22.36 0.00 1.19 0.43 1.84 74.17 07:08:01 1 54.46 0.00 2.54 1.34 3.05 38.61 07:08:01 2 31.97 0.00 2.65 2.08 2.35 60.96 07:08:01 3 31.53 0.00 1.26 0.51 2.19 64.51 07:09:01 all 20.79 0.00 0.82 0.90 1.17 76.32 07:09:01 0 31.65 0.00 0.90 0.20 1.05 66.21 07:09:01 1 0.27 0.00 0.38 2.65 0.65 96.05 07:09:01 2 46.05 0.00 1.60 0.75 1.63 49.98 07:09:01 3 5.39 0.00 0.41 0.02 1.36 92.83 Average: all 25.81 0.00 1.54 2.01 1.67 68.97 Average: 0 25.01 0.00 1.23 1.92 1.41 70.43 Average: 1 22.36 0.00 1.43 4.00 1.59 70.63 Average: 2 25.96 0.00 1.80 1.37 1.94 68.93 Average: 3 29.93 0.00 1.69 0.76 1.73 65.89