---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-16400 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 613 12677 0 2748 15102 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:01:a3:a9 brd ff:ff:ff:ff:ff:ff inet 10.30.106.151/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe01:a3a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-16400) 11/29/25 _x86_64_ (4 CPU) 20:39:21 LINUX RESTART (4 CPU) 20:40:01 tps rtps wtps bread/s bwrtn/s 20:41:01 186.94 28.51 158.42 1657.86 45968.87 20:42:01 75.64 13.25 62.39 867.72 9887.29 20:43:01 18.01 2.68 15.33 185.44 4906.92 20:44:01 246.61 3.25 243.36 175.17 12029.73 Average: 131.80 11.92 119.88 721.55 18198.20 20:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:41:01 13513660 15352560 2911300 17.72 75676 1953036 962048 5.51 883648 1790860 108604 20:42:01 12233620 14280636 4191340 25.52 79484 2150780 1948568 11.15 2052144 1887760 5012 20:43:01 12705752 15157784 3719208 22.64 80880 2548444 1094096 6.26 1330240 2127116 258692 20:44:01 12995012 15475448 3429948 20.88 84144 2573440 832088 4.76 1059924 2110084 25248 Average: 12862011 15066607 3562949 21.69 80046 2306425 1209200 6.92 1331489 1978955 99389 20:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:41:01 ens3 327.75 255.64 3001.43 40.08 0.00 0.00 0.00 0.00 20:41:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 20:42:01 ens3 311.66 204.73 1450.26 61.12 0.00 0.00 0.00 0.00 20:42:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:43:01 ens3 525.41 375.50 2949.56 75.43 0.00 0.00 0.00 0.00 20:43:01 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 20:44:01 ens3 317.30 176.75 258.90 63.53 0.00 0.00 0.00 0.00 20:44:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 370.53 253.16 1915.03 60.04 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-16400) 11/29/25 _x86_64_ (4 CPU) 20:39:21 LINUX RESTART (4 CPU) 20:40:01 CPU %user %nice %system %iowait %steal %idle 20:41:01 all 23.06 0.00 1.52 2.67 0.06 72.69 20:41:01 0 14.92 0.00 0.85 3.51 0.03 80.68 20:41:01 1 29.86 0.00 1.79 1.34 0.08 66.93 20:41:01 2 14.91 0.00 1.10 0.80 0.07 83.12 20:41:01 3 32.48 0.00 2.35 5.01 0.07 60.09 20:42:01 all 68.78 0.00 2.03 0.37 0.08 28.74 20:42:01 0 64.65 0.00 2.11 0.27 0.08 32.89 20:42:01 1 72.63 0.00 1.87 0.10 0.08 25.32 20:42:01 2 78.05 0.00 2.16 0.33 0.07 19.39 20:42:01 3 59.79 0.00 2.00 0.78 0.08 37.34 20:43:01 all 53.98 0.00 2.15 0.07 0.08 43.72 20:43:01 0 53.80 0.00 1.89 0.17 0.08 44.06 20:43:01 1 52.64 0.00 2.06 0.03 0.07 45.20 20:43:01 2 59.07 0.00 2.04 0.00 0.07 38.82 20:43:01 3 50.48 0.00 2.57 0.07 0.08 46.80 20:44:01 all 31.65 0.00 1.63 1.11 0.06 65.55 20:44:01 0 40.95 0.00 2.36 0.12 0.07 56.51 20:44:01 1 42.32 0.00 2.43 2.86 0.08 52.31 20:44:01 2 21.67 0.00 0.88 0.47 0.05 76.93 20:44:01 3 21.66 0.00 0.87 1.02 0.05 76.41 Average: all 44.37 0.00 1.83 1.06 0.07 52.68 Average: 0 43.58 0.00 1.80 1.02 0.07 53.54 Average: 1 49.36 0.00 2.04 1.08 0.08 47.44 Average: 2 43.42 0.00 1.55 0.40 0.06 54.57 Average: 3 41.11 0.00 1.95 1.72 0.07 55.15