---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-535 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.8G 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 12808 0 2618 15105 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:fa:81:b7 brd ff:ff:ff:ff:ff:ff inet 10.30.106.172/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fefa:81b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-535) 12/21/25 _x86_64_ (4 CPU) 05:08:43 LINUX RESTART (4 CPU) 05:09:01 tps rtps wtps bread/s bwrtn/s 05:10:01 166.01 32.41 133.59 1696.78 59651.92 05:11:01 133.06 11.41 121.65 810.13 18386.00 05:12:01 21.23 4.48 16.75 120.25 1725.85 Average: 106.77 16.10 90.66 875.72 26587.92 05:09:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:01 13695140 15404000 2729828 16.62 70280 1833040 979716 5.61 823360 1677744 209628 05:11:01 12192688 14199924 4232280 25.77 79704 2111168 2249196 12.87 2120832 1860364 11672 05:12:01 13184592 15523920 3240376 19.73 81100 2436812 808368 4.63 945720 2037688 291676 Average: 13024140 15042615 3400828 20.71 77028 2127007 1345760 7.70 1296637 1858599 170992 05:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:01 ens3 124.05 85.80 1372.90 21.58 0.00 0.00 0.00 0.00 05:10:01 lo 1.40 1.40 0.17 0.17 0.00 0.00 0.00 0.00 05:11:01 ens3 449.16 327.90 3301.54 74.85 0.00 0.00 0.00 0.00 05:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:12:01 ens3 466.41 254.51 609.04 82.94 0.00 0.00 0.00 0.00 05:12:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 346.54 222.74 1761.16 59.79 0.00 0.00 0.00 0.00 Average: lo 0.58 0.58 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-535) 12/21/25 _x86_64_ (4 CPU) 05:08:43 LINUX RESTART (4 CPU) 05:09:01 CPU %user %nice %system %iowait %steal %idle 05:10:01 all 21.97 0.00 1.47 4.32 0.07 72.17 05:10:01 0 22.17 0.00 1.86 1.88 0.07 74.02 05:10:01 1 37.67 0.00 2.32 10.47 0.08 49.46 05:10:01 2 10.81 0.00 0.60 3.00 0.07 85.53 05:10:01 3 17.32 0.00 1.13 2.00 0.07 79.47 05:11:01 all 56.85 0.00 2.35 0.54 0.10 40.16 05:11:01 0 55.31 0.00 2.32 0.35 0.08 41.93 05:11:01 1 54.67 0.00 2.32 1.12 0.10 41.79 05:11:01 2 56.95 0.00 2.80 0.42 0.08 39.76 05:11:01 3 60.54 0.00 1.92 0.23 0.10 37.21 05:12:01 all 69.32 0.00 2.34 0.04 0.11 28.19 05:12:01 0 69.44 0.00 2.26 0.03 0.12 28.15 05:12:01 1 68.22 0.00 1.86 0.05 0.12 29.75 05:12:01 2 67.82 0.00 3.38 0.03 0.13 28.64 05:12:01 3 71.77 0.00 1.86 0.05 0.12 26.20 Average: all 49.34 0.00 2.05 1.64 0.09 46.88 Average: 0 48.93 0.00 2.15 0.76 0.09 48.07 Average: 1 53.51 0.00 2.17 3.88 0.10 40.34 Average: 2 45.08 0.00 2.25 1.16 0.09 51.42 Average: 3 49.84 0.00 1.64 0.76 0.09 47.66