---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20433 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 12G 67G 15% / 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 755 9422 4 5811 14891 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:b8:ab:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84058sec preferred_lft 84058sec inet6 fe80::f816:3eff:feb8:ab1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:d6:49:5c:8c:43 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-20433) 05/26/26 _x86_64_ (4 CPU) 20:25:02 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 15.43 2.36 11.97 1.09 138.31 3841.31 1982.64 20:50:03 58.00 0.33 46.93 10.74 9.80 4226.77 8862.18 21:00:03 34.20 0.30 28.11 5.80 11.79 4966.27 9297.72 Average: 35.93 0.99 29.05 5.89 53.14 4345.26 6722.67 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9893324 13525200 2432000 14.85 161104 3563640 2746228 15.76 631072 5430968 81632 20:50:03 8750916 13246972 2702808 16.51 204608 4317316 2987224 17.15 824460 6311384 107588 21:00:03 9787796 15371524 573560 3.50 241724 5305900 1107648 6.36 1205736 4810340 172 Average: 9477345 14047899 1902789 11.62 202479 4395619 2280367 13.09 887089 5517564 63131 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:40:01 ens3 92.95 76.39 510.59 21.59 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5555.61 5555.61 5297.48 5297.48 0.00 0.00 0.00 0.00 20:50:03 ens3 84.95 66.97 319.71 20.27 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 2742.74 2742.74 2605.00 2605.00 0.00 0.00 0.00 0.00 21:00:03 ens3 92.61 83.25 110.06 122.83 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2773.41 2773.41 2640.74 2640.74 0.00 0.00 0.00 0.00 Average: ens3 90.16 75.52 313.22 54.89 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-20433) 05/26/26 _x86_64_ (4 CPU) 20:25:02 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 69.72 0.00 2.44 0.06 0.09 27.70 20:40:01 0 67.77 0.00 2.21 0.07 0.09 29.86 20:40:01 1 70.55 0.00 2.73 0.06 0.08 26.57 20:40:01 2 69.05 0.00 2.52 0.07 0.09 28.27 20:40:01 3 71.51 0.00 2.30 0.03 0.09 26.08 20:50:03 all 62.22 0.00 4.25 0.12 0.09 33.32 20:50:03 0 60.80 0.00 4.07 0.11 0.09 34.92 20:50:03 1 62.55 0.00 4.46 0.09 0.09 32.81 20:50:03 2 62.81 0.00 4.39 0.09 0.09 32.63 20:50:03 3 62.72 0.00 4.07 0.19 0.09 32.93 21:00:03 all 51.67 0.00 2.94 0.15 0.08 45.17 21:00:03 0 49.86 0.00 3.15 0.10 0.08 46.81 21:00:03 1 51.59 0.00 2.84 0.17 0.08 45.32 21:00:03 2 53.62 0.00 2.89 0.13 0.09 43.27 21:00:03 3 51.59 0.00 2.87 0.19 0.09 45.27 Average: all 61.19 0.00 3.21 0.11 0.09 35.41 Average: 0 59.47 0.00 3.14 0.09 0.09 37.21 Average: 1 61.55 0.00 3.34 0.11 0.08 34.91 Average: 2 61.82 0.00 3.27 0.09 0.09 34.73 Average: 3 61.92 0.00 3.08 0.13 0.09 34.78