---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12052 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: 5600.00 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 9.6G 68G 13% / 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 625 11443 4 3921 15021 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:2a:60:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82315sec preferred_lft 82315sec inet6 fe80::f816:3eff:fe2a:60eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:1f:ac:7a:99:82 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-12052) 05/08/26 _x86_64_ (4 CPU) 14:08:36 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:05 1.48 0.05 1.43 0.01 2.22 18.31 220.21 14:30:05 13.96 0.01 1.20 12.75 0.19 14.25 242964.05 14:40:01 1.24 0.00 1.24 0.00 0.62 13.84 0.00 14:50:05 1.15 0.00 1.15 0.00 0.00 13.01 0.00 15:00:05 1.26 0.00 1.26 0.00 0.00 14.36 0.00 15:10:01 32.12 2.27 29.25 0.60 131.38 1494.83 676.02 Average: 8.50 0.39 5.89 2.22 22.25 259.66 40636.56 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:05 13795336 15544028 475048 2.90 53844 1921692 1143824 6.57 192548 2140056 176 14:30:05 13788280 15542268 476608 2.91 54460 1926340 1143824 6.57 197892 2140876 172 14:40:01 13786772 15541360 477508 2.92 54876 1926532 1143824 6.57 198292 2142328 200 14:50:05 13786280 15541380 477492 2.92 55204 1926672 1152016 6.61 198636 2143184 176 15:00:05 13785468 15541020 477880 2.92 55660 1926680 1152016 6.61 199084 2144512 208 15:10:01 12864912 15277796 702776 4.29 96208 2510396 1285040 7.38 300440 2898032 287180 Average: 13634508 15497975 514552 3.14 61709 2023052 1170091 6.72 214482 2268165 48019 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:20:05 ens3 0.40 0.11 0.09 0.03 0.00 0.00 0.00 0.00 14:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:05 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 14:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:40:01 ens3 0.29 0.12 0.07 0.04 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:05 ens3 0.22 0.09 0.05 0.02 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:05 ens3 0.22 0.10 0.07 0.04 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 44.83 32.63 385.31 7.82 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 7.64 5.48 63.81 1.32 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-12052) 05/08/26 _x86_64_ (4 CPU) 14:08:36 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:05 all 0.16 0.00 0.03 0.02 0.02 99.77 14:20:05 0 0.55 0.00 0.04 0.01 0.02 99.38 14:20:05 1 0.03 0.00 0.03 0.03 0.01 99.89 14:20:05 2 0.02 0.00 0.02 0.06 0.03 99.87 14:20:05 3 0.04 0.00 0.03 0.00 0.01 99.93 14:30:05 all 0.06 0.00 0.04 0.03 0.02 99.85 14:30:05 0 0.17 0.00 0.06 0.00 0.04 99.73 14:30:05 1 0.02 0.00 0.02 0.06 0.01 99.89 14:30:05 2 0.02 0.00 0.02 0.00 0.02 99.94 14:30:05 3 0.03 0.00 0.04 0.08 0.01 99.84 14:40:01 all 0.19 0.00 0.02 0.03 0.01 99.75 14:40:01 0 0.68 0.00 0.04 0.00 0.02 99.26 14:40:01 1 0.02 0.00 0.02 0.02 0.01 99.94 14:40:01 2 0.03 0.00 0.02 0.08 0.02 99.85 14:40:01 3 0.02 0.00 0.02 0.00 0.01 99.94 14:50:05 all 0.07 0.00 0.03 0.01 0.01 99.88 14:50:05 0 0.03 0.00 0.03 0.01 0.01 99.92 14:50:05 1 0.03 0.00 0.03 0.00 0.01 99.92 14:50:05 2 0.02 0.00 0.03 0.03 0.02 99.90 14:50:05 3 0.19 0.00 0.04 0.00 0.01 99.76 15:00:05 all 0.08 0.00 0.02 0.01 0.01 99.88 15:00:05 0 0.04 0.00 0.04 0.00 0.02 99.89 15:00:05 1 0.01 0.00 0.02 0.00 0.01 99.97 15:00:05 2 0.02 0.00 0.02 0.02 0.01 99.92 15:00:05 3 0.25 0.00 0.02 0.00 0.01 99.72 15:10:01 all 3.92 0.00 0.37 0.24 0.02 95.45 15:10:01 0 5.87 0.00 0.48 0.08 0.02 93.54 15:10:01 1 2.93 0.00 0.28 0.04 0.03 96.72 15:10:01 2 3.41 0.00 0.42 0.68 0.02 95.47 15:10:01 3 3.45 0.00 0.29 0.17 0.02 96.07 Average: all 0.74 0.00 0.09 0.06 0.02 99.10 Average: 0 1.21 0.00 0.12 0.02 0.02 98.63 Average: 1 0.50 0.00 0.07 0.02 0.01 99.39 Average: 2 0.58 0.00 0.09 0.14 0.02 99.16 Average: 3 0.66 0.00 0.07 0.04 0.01 99.22