---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39397 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 671 10485 4 4832 14975 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:0d:92:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84367sec preferred_lft 84367sec inet6 fe80::f816:3eff:fe0d:920a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:27:44:ce:21:17 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39397) 07/27/26 _x86_64_ (4 CPU) 15:29:01 LINUX RESTART (4 CPU) 15:30:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:21 14.33 2.88 11.02 0.43 164.29 3006.51 603.22 15:50:01 10.72 0.42 9.23 1.07 15.62 2219.82 2385.24 16:00:19 27.87 0.62 23.02 4.23 24.36 3941.45 9815.58 Average: 17.84 1.30 14.59 1.95 67.76 3074.69 4364.47 15:30:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:21 11524968 14448836 1515108 9.25 114588 2972256 2237496 12.84 465528 4050176 30076 15:50:01 9864368 13413876 2543876 15.54 143268 3506288 2835204 16.27 624124 5479664 23336 16:00:19 10789800 15378732 571712 3.49 173988 4445324 1097084 6.30 898904 4171404 4 Average: 10726379 14413815 1543565 9.43 143948 3641289 2056595 11.80 662852 4567081 17805 15:30:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:21 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 15:40:21 ens3 69.81 55.00 736.02 9.60 0.00 0.00 0.00 0.00 15:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 15:50:01 ens3 64.03 51.28 96.82 16.68 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:19 lo 1636.99 1636.99 1553.85 1553.85 0.00 0.00 0.00 0.00 16:00:19 ens3 99.56 80.32 402.22 86.02 0.00 0.00 0.00 0.00 16:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 566.31 566.31 537.06 537.06 0.00 0.00 0.00 0.00 Average: ens3 78.22 62.55 413.52 38.30 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39397) 07/27/26 _x86_64_ (4 CPU) 15:29:01 LINUX RESTART (4 CPU) 15:30:30 CPU %user %nice %system %iowait %steal %idle 15:40:21 all 12.06 0.00 0.57 0.08 0.04 87.25 15:40:21 0 11.89 0.00 0.54 0.15 0.04 87.39 15:40:21 1 11.47 0.00 0.58 0.04 0.04 87.86 15:40:21 2 11.20 0.00 0.49 0.08 0.04 88.19 15:40:21 3 13.66 0.00 0.66 0.07 0.04 85.57 15:50:01 all 73.05 0.00 2.24 0.03 0.15 24.54 15:50:01 0 73.19 0.00 2.02 0.02 0.15 24.62 15:50:01 1 73.01 0.00 2.24 0.02 0.15 24.58 15:50:01 2 73.50 0.00 2.43 0.04 0.15 23.88 15:50:01 3 72.50 0.00 2.28 0.02 0.14 25.06 16:00:19 all 57.01 0.00 2.50 0.06 0.11 40.32 16:00:19 0 57.60 0.00 2.76 0.07 0.11 39.46 16:00:19 1 56.30 0.00 2.36 0.04 0.11 41.19 16:00:19 2 59.19 0.00 2.53 0.05 0.11 38.12 16:00:19 3 54.94 0.00 2.34 0.09 0.11 42.52 Average: all 47.34 0.00 1.78 0.06 0.10 50.72 Average: 0 47.55 0.00 1.78 0.08 0.10 50.49 Average: 1 46.90 0.00 1.73 0.04 0.10 51.24 Average: 2 47.95 0.00 1.82 0.06 0.10 50.07 Average: 3 46.98 0.00 1.76 0.06 0.10 51.10