---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32656 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 13G 65G 17% / 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 646 7769 4 7573 15000 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:03:ef:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82161sec preferred_lft 82161sec inet6 fe80::f816:3eff:fe03:ef07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:5c:0d:7b:3b:b1 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-32656) 07/03/26 _x86_64_ (4 CPU) 12:42:11 LINUX RESTART (4 CPU) 12:50:52 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:15 1.30 0.01 1.29 0.00 0.04 15.11 0.14 13:10:00 1.22 0.00 1.22 0.00 0.00 13.86 0.00 13:20:21 13.62 0.02 1.29 12.31 1.74 14.97 234551.39 13:30:16 1.26 0.00 1.26 0.00 0.15 14.19 0.00 13:40:22 1.33 0.00 1.33 0.00 0.13 14.86 0.00 13:50:02 81.59 2.50 68.17 10.93 127.60 30797.27 319994.65 Average: 16.57 0.41 12.21 3.94 21.22 5046.50 93371.12 12:50:52 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:15 13786936 15536728 482384 2.95 54152 1922592 1148952 6.59 194448 2149856 168 13:10:00 13784936 15535168 483804 2.95 54536 1922608 1148904 6.59 194844 2150128 140 13:20:21 13786280 15542464 476416 2.91 55192 1927864 1149096 6.60 200436 2154276 268 13:30:16 13785760 15542404 476476 2.91 55584 1927920 1149096 6.60 200828 2155196 4 13:40:22 13784808 15542016 476816 2.91 55992 1928096 1149160 6.60 201228 2154636 192 13:50:02 8406624 14332860 1619772 9.89 173216 5832488 1942152 11.15 1208932 6329748 1014484 Average: 12889224 15338607 669278 4.09 74779 2576928 1281227 7.35 366786 2848973 169209 12:50:52 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:15 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:00:15 ens3 0.45 0.15 0.12 0.06 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:10:00 ens3 0.36 0.10 0.08 0.05 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:21 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:20:21 ens3 0.44 0.25 0.10 0.46 0.00 0.00 0.00 0.00 13:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:16 ens3 0.23 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:22 ens3 0.30 0.12 0.08 0.04 0.00 0.00 0.00 0.00 13:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 13:50:02 ens3 227.02 177.15 1170.25 41.76 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 37.41 29.07 191.37 6.93 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-32656) 07/03/26 _x86_64_ (4 CPU) 12:42:11 LINUX RESTART (4 CPU) 12:50:52 CPU %user %nice %system %iowait %steal %idle 13:00:15 all 0.20 0.00 0.02 0.01 0.02 99.75 13:00:15 0 0.01 0.00 0.02 0.03 0.01 99.93 13:00:15 1 0.68 0.00 0.02 0.00 0.02 99.27 13:00:15 2 0.07 0.00 0.02 0.00 0.01 99.90 13:00:15 3 0.03 0.00 0.03 0.00 0.02 99.91 13:10:00 all 0.24 0.00 0.02 0.04 0.02 99.68 13:10:00 0 0.02 0.00 0.02 0.00 0.01 99.96 13:10:00 1 0.90 0.00 0.03 0.01 0.03 99.03 13:10:00 2 0.04 0.00 0.01 0.00 0.01 99.93 13:10:00 3 0.02 0.00 0.02 0.15 0.02 99.79 13:20:21 all 0.18 0.00 0.03 0.16 0.01 99.61 13:20:21 0 0.02 0.00 0.04 0.13 0.00 99.81 13:20:21 1 0.13 0.00 0.03 0.05 0.02 99.77 13:20:21 2 0.02 0.00 0.02 0.03 0.01 99.93 13:20:21 3 0.54 0.00 0.05 0.44 0.03 98.94 13:30:16 all 0.08 0.00 0.02 0.01 0.01 99.88 13:30:16 0 0.02 0.00 0.02 0.01 0.01 99.94 13:30:16 1 0.02 0.00 0.03 0.00 0.02 99.92 13:30:16 2 0.01 0.00 0.01 0.00 0.01 99.97 13:30:16 3 0.28 0.00 0.02 0.01 0.02 99.68 13:40:22 all 0.11 0.00 0.02 0.01 0.02 99.83 13:40:22 0 0.00 0.00 0.01 0.00 0.00 99.97 13:40:22 1 0.41 0.00 0.02 0.01 0.02 99.54 13:40:22 2 0.01 0.00 0.02 0.01 0.01 99.94 13:40:22 3 0.03 0.00 0.04 0.02 0.02 99.89 13:50:02 all 26.74 0.00 1.87 0.71 0.07 70.61 13:50:02 0 28.68 0.00 1.62 0.32 0.06 69.33 13:50:02 1 25.34 0.00 2.47 1.01 0.07 71.10 13:50:02 2 28.41 0.00 2.14 0.72 0.07 68.68 13:50:02 3 24.54 0.00 1.24 0.81 0.06 73.35 Average: all 4.50 0.00 0.32 0.16 0.02 94.99 Average: 0 4.70 0.00 0.28 0.08 0.02 94.92 Average: 1 4.49 0.00 0.43 0.18 0.03 94.87 Average: 2 4.66 0.00 0.36 0.13 0.02 94.83 Average: 3 4.16 0.00 0.23 0.24 0.03 95.34