---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-15327 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 575 12642 0 2822 15134 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:1d:b9:28 brd ff:ff:ff:ff:ff:ff inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe1d:b928/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-15327) 11/26/25 _x86_64_ (4 CPU) 08:35:21 LINUX RESTART (4 CPU) 08:36:01 tps rtps wtps bread/s bwrtn/s 08:37:01 134.93 15.76 119.16 1220.86 35853.89 08:38:01 357.96 24.43 333.54 1265.44 13688.10 08:39:01 101.70 5.95 95.75 255.73 15293.33 08:40:01 39.83 0.90 38.93 62.52 2956.17 Average: 158.62 11.76 146.85 701.18 16947.81 08:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:37:01 13908612 15606252 2516348 15.32 70804 1821572 711412 4.07 620380 1670836 95960 08:38:01 12041640 14126024 4383320 26.69 92416 2168892 2148144 12.29 2177268 1939448 115424 08:39:01 11114324 13555484 5310636 32.33 99412 2506124 2577612 14.75 2998872 2025472 22116 08:40:01 12938352 15465104 3486608 21.23 102840 2585460 824836 4.72 1153584 2047592 59016 Average: 12500732 14688216 3924228 23.89 91368 2270512 1565501 8.96 1737526 1920837 73129 08:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:37:01 ens3 143.04 104.33 1190.77 21.37 0.00 0.00 0.00 0.00 08:37:01 lo 0.60 0.60 0.07 0.07 0.00 0.00 0.00 0.00 08:38:01 ens3 324.81 297.50 3151.35 52.80 0.00 0.00 0.00 0.00 08:38:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 08:39:01 ens3 608.48 484.88 4601.13 134.95 0.00 0.00 0.00 0.00 08:39:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 08:40:01 ens3 519.43 425.65 288.96 180.21 0.00 0.00 0.00 0.00 08:40:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 398.93 328.08 2307.99 97.33 0.00 0.00 0.00 0.00 Average: lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-15327) 11/26/25 _x86_64_ (4 CPU) 08:35:21 LINUX RESTART (4 CPU) 08:36:01 CPU %user %nice %system %iowait %steal %idle 08:37:01 all 13.35 0.00 1.01 2.07 0.05 83.52 08:37:01 0 13.11 0.00 0.82 0.43 0.05 85.58 08:37:01 1 30.25 0.00 2.06 4.31 0.05 63.33 08:37:01 2 8.40 0.00 0.78 1.14 0.03 89.65 08:37:01 3 1.67 0.00 0.38 2.42 0.05 95.47 08:38:01 all 51.48 0.00 2.27 0.92 0.09 45.23 08:38:01 0 51.08 0.00 2.75 0.54 0.08 45.55 08:38:01 1 55.67 0.00 2.29 2.07 0.08 39.88 08:38:01 2 45.58 0.00 2.43 0.37 0.08 51.53 08:38:01 3 53.60 0.00 1.65 0.70 0.10 43.94 08:39:01 all 61.72 0.00 2.02 0.22 0.08 35.96 08:39:01 0 63.68 0.00 2.23 0.05 0.07 33.98 08:39:01 1 51.60 0.00 1.99 0.43 0.08 45.90 08:39:01 2 71.03 0.00 1.40 0.00 0.08 27.49 08:39:01 3 60.60 0.00 2.49 0.38 0.07 36.45 08:40:01 all 55.21 0.00 2.75 0.10 0.08 41.85 08:40:01 0 56.99 0.00 3.63 0.02 0.08 39.27 08:40:01 1 47.72 0.00 2.64 0.25 0.08 49.30 08:40:01 2 58.36 0.00 2.67 0.03 0.08 38.85 08:40:01 3 57.74 0.00 2.06 0.10 0.08 40.02 Average: all 45.42 0.00 2.01 0.83 0.07 51.67 Average: 0 46.21 0.00 2.36 0.26 0.07 51.10 Average: 1 46.31 0.00 2.24 1.77 0.08 49.60 Average: 2 45.75 0.00 1.82 0.39 0.07 51.97 Average: 3 43.40 0.00 1.65 0.90 0.08 53.98