---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25377 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 67G 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 683 10156 4 5148 14963 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:ce:81:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83276sec preferred_lft 83276sec inet6 fe80::f816:3eff:fece:81d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:33:0b:25:4a:c3 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-25377) 06/06/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 23.67 13.17 10.02 0.48 570.37 1880.48 5894.00 15:00:01 1.53 0.00 1.53 0.00 0.03 27.63 0.00 15:10:01 7.80 1.93 5.64 0.22 125.02 1497.77 667.16 15:20:02 12.20 0.48 10.64 1.08 17.46 2626.77 2892.00 15:30:01 26.89 0.73 22.09 4.07 26.20 3577.63 3145.62 Average: 14.42 3.26 9.98 1.17 147.93 1921.72 2520.31 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 12751236 15488264 477288 2.92 102140 2815456 1009064 5.79 509564 2752448 184 15:00:01 12746480 15484968 480588 2.94 103236 2815608 1009720 5.80 510656 2758496 276 15:10:01 10979768 14246888 1714888 10.47 122556 3283952 2081324 11.95 656388 4371740 47488 15:20:02 9514640 13534056 2420620 14.78 157392 3928112 2649696 15.21 847112 5559608 24416 15:30:01 10442988 15358232 590664 3.61 180000 4743612 1109344 6.37 1092732 4313008 14472 Average: 11287022 14822482 1136810 6.94 133065 3517348 1571830 9.02 723290 3951060 17367 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 14:50:02 ens3 18.62 11.89 274.66 2.41 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 4.61 3.89 88.16 0.52 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 51.98 42.65 573.69 8.05 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 15:20:02 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 15:20:02 ens3 72.58 57.13 144.27 19.13 0.00 0.00 0.00 0.00 15:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 1476.32 1476.32 1394.86 1394.86 0.00 0.00 0.00 0.00 15:30:01 ens3 117.73 105.23 418.45 196.94 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 295.25 295.25 278.60 278.60 0.00 0.00 0.00 0.00 Average: ens3 53.08 44.14 299.82 45.35 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-25377) 06/06/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 1.12 0.08 0.19 0.14 0.02 98.44 14:50:02 0 0.71 0.00 0.19 0.04 0.02 99.04 14:50:02 1 0.78 0.00 0.13 0.11 0.02 98.95 14:50:02 2 2.58 0.31 0.27 0.36 0.03 96.45 14:50:02 3 0.43 0.01 0.18 0.07 0.02 99.30 15:00:01 all 0.26 0.00 0.03 0.01 0.02 99.67 15:00:01 0 0.76 0.00 0.01 0.00 0.02 99.20 15:00:01 1 0.05 0.00 0.03 0.02 0.02 99.87 15:00:01 2 0.03 0.00 0.04 0.02 0.04 99.88 15:00:01 3 0.20 0.00 0.05 0.00 0.01 99.73 15:10:01 all 17.24 0.00 0.58 0.03 0.04 82.11 15:10:01 0 17.67 0.00 0.61 0.03 0.04 81.65 15:10:01 1 16.95 0.00 0.64 0.07 0.03 82.31 15:10:01 2 17.47 0.00 0.50 0.02 0.04 81.97 15:10:01 3 16.87 0.00 0.56 0.01 0.04 82.51 15:20:02 all 73.23 0.00 2.23 0.04 0.08 24.42 15:20:02 0 70.91 0.00 2.30 0.06 0.08 26.65 15:20:02 1 73.99 0.00 1.96 0.04 0.08 23.93 15:20:02 2 73.93 0.00 2.27 0.04 0.08 23.68 15:20:02 3 74.10 0.00 2.38 0.04 0.08 23.41 15:30:01 all 38.07 0.00 1.92 0.09 0.07 59.85 15:30:01 0 35.51 0.00 2.25 0.23 0.07 61.95 15:30:01 1 39.43 0.00 2.02 0.04 0.07 58.45 15:30:01 2 41.81 0.00 1.84 0.07 0.06 56.22 15:30:01 3 35.54 0.00 1.57 0.04 0.07 62.78 Average: all 25.95 0.02 0.99 0.07 0.05 72.94 Average: 0 25.06 0.00 1.07 0.07 0.05 73.75 Average: 1 26.20 0.00 0.96 0.06 0.04 72.75 Average: 2 27.13 0.06 0.98 0.10 0.05 71.67 Average: 3 25.40 0.00 0.95 0.03 0.04 73.58