---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9251 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 7.7G 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 463 5163 0 2348 7228 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:4b:3b:67 brd ff:ff:ff:ff:ff:ff inet 10.32.7.36/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe4b:3b67/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9251) 11/15/25 _x86_64_ (4 CPU) 16:37:01 LINUX RESTART (4 CPU) 16:38:02 tps rtps wtps bread/s bwrtn/s 16:39:01 55.53 0.22 55.31 27.11 9047.82 16:40:01 64.51 30.16 34.34 1646.13 8475.92 16:41:01 20.23 10.21 10.01 776.54 3617.13 16:42:01 24.86 1.52 23.35 102.38 7199.87 Average: 41.22 10.57 30.65 640.60 7076.97 16:38:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:39:01 5803292 7427068 2364120 28.95 53696 1737224 696300 7.56 583536 1589908 127824 16:40:01 5463784 7250796 2703628 33.10 60908 1886636 833368 9.04 769388 1729784 7444 16:41:01 4338628 6245248 3828784 46.88 63192 2000316 2149276 23.32 1830104 1781724 1080 16:42:01 5276024 7385968 2891388 35.40 68456 2193972 703048 7.63 756380 1915624 25912 Average: 5220432 7077270 2946980 36.08 61563 1954537 1095498 11.89 984852 1754260 40565 16:38:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:39:01 ens3 51.33 37.15 680.70 5.05 0.00 0.00 0.00 0.00 16:39:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:40:01 ens3 129.55 106.60 1369.44 21.94 0.00 0.00 0.00 0.00 16:40:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 16:41:01 ens3 115.66 105.45 1442.90 12.28 0.00 0.00 0.00 0.00 16:41:01 lo 86.54 86.54 32.14 32.14 0.00 0.00 0.00 0.00 16:42:01 ens3 124.13 110.95 1255.94 19.86 0.00 0.00 0.00 0.00 16:42:01 lo 35.86 35.86 4.40 4.40 0.00 0.00 0.00 0.00 Average: ens3 105.39 90.26 1189.36 14.82 0.00 0.00 0.00 0.00 Average: lo 31.13 31.13 9.21 9.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9251) 11/15/25 _x86_64_ (4 CPU) 16:37:01 LINUX RESTART (4 CPU) 16:38:02 CPU %user %nice %system %iowait %steal %idle 16:39:01 all 19.07 0.00 1.13 2.71 1.84 75.25 16:39:01 0 0.93 0.00 0.10 0.00 0.42 98.55 16:39:01 1 35.05 0.00 1.84 0.72 2.71 59.69 16:39:01 2 11.85 0.00 1.20 9.50 1.96 75.49 16:39:01 3 28.28 0.00 1.36 0.59 2.25 67.52 16:40:01 all 15.42 0.00 0.92 2.02 3.03 78.61 16:40:01 0 10.24 0.00 0.70 3.76 2.40 82.91 16:40:01 1 15.18 0.00 1.38 3.03 2.97 77.43 16:40:01 2 20.60 0.00 0.67 0.67 3.21 74.84 16:40:01 3 15.60 0.00 0.95 0.66 3.56 79.24 16:41:01 all 47.58 0.00 1.51 0.73 7.15 43.03 16:41:01 0 48.02 0.00 1.44 0.44 6.86 43.25 16:41:01 1 48.58 0.00 1.79 1.38 7.69 40.55 16:41:01 2 48.66 0.00 1.30 0.43 6.75 42.87 16:41:01 3 45.08 0.00 1.48 0.70 7.28 45.45 16:42:01 all 24.18 0.00 1.23 1.13 3.02 70.44 16:42:01 0 13.19 0.00 0.66 0.07 2.42 83.66 16:42:01 1 24.50 0.00 1.49 0.25 2.67 71.09 16:42:01 2 20.43 0.00 1.13 3.79 3.09 71.55 16:42:01 3 38.57 0.00 1.63 0.41 3.90 55.49 Average: all 26.64 0.00 1.20 1.64 3.78 66.74 Average: 0 18.28 0.00 0.73 1.07 3.05 76.88 Average: 1 30.88 0.00 1.63 1.35 4.02 62.12 Average: 2 25.45 0.00 1.08 3.57 3.76 66.14 Average: 3 31.92 0.00 1.36 0.59 4.26 61.88