---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1126 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 707 10454 4 4827 14939 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:c1:3f:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83406sec preferred_lft 83406sec inet6 fe80::f816:3eff:fec1:3f98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:e0:ae:dd:bc:5a 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-1126) 08/01/26 _x86_64_ (4 CPU) 06:49:53 LINUX RESTART (4 CPU) 06:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:08 45.78 9.10 35.99 0.68 1383.93 10927.14 1125.29 07:10:08 1.46 0.01 1.46 0.00 0.04 27.13 0.01 07:20:08 8.71 1.92 6.44 0.35 124.04 1907.96 811.81 07:30:08 11.06 0.73 9.20 1.14 26.89 2209.57 2539.61 Average: 16.84 2.96 13.34 0.54 386.80 3789.99 1119.20 06:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:08 13039636 15511712 462768 2.83 97608 2563656 1007836 5.78 337920 2667936 240 07:10:08 13039332 15512852 461516 2.82 98744 2563832 1008624 5.79 339056 2673232 108 07:20:08 10806692 13941128 2020716 12.34 121412 3156080 2428544 13.94 512792 4685664 62416 07:30:08 8980692 13185040 2768120 16.91 160432 4095884 3003228 17.24 724476 6183536 464076 Average: 11466588 14537683 1428280 8.72 119549 3094863 1862058 10.69 478561 4052592 131710 06:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:08 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 07:00:08 ens3 63.71 46.32 456.42 9.42 0.00 0.00 0.00 0.00 07:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:10:08 ens3 6.66 5.68 105.86 0.66 0.00 0.00 0.00 0.00 07:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:08 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 07:20:08 ens3 70.38 55.86 635.30 10.29 0.00 0.00 0.00 0.00 07:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:08 lo 75.13 75.13 70.50 70.50 0.00 0.00 0.00 0.00 07:30:08 ens3 88.00 66.29 330.57 18.91 0.00 0.00 0.00 0.00 07:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.99 18.99 17.59 17.59 0.00 0.00 0.00 0.00 Average: ens3 57.21 43.55 382.26 9.82 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-1126) 08/01/26 _x86_64_ (4 CPU) 06:49:53 LINUX RESTART (4 CPU) 06:50:00 CPU %user %nice %system %iowait %steal %idle 07:00:08 all 3.19 0.00 0.48 0.34 0.03 95.95 07:00:08 0 3.73 0.00 0.65 0.28 0.03 95.32 07:00:08 1 5.13 0.00 0.55 0.43 0.02 93.87 07:00:08 2 2.53 0.00 0.41 0.48 0.04 96.53 07:00:08 3 1.38 0.00 0.32 0.19 0.02 98.09 07:10:08 all 0.26 0.00 0.03 0.01 0.02 99.68 07:10:08 0 0.01 0.00 0.02 0.01 0.02 99.95 07:10:08 1 0.56 0.00 0.02 0.00 0.03 99.38 07:10:08 2 0.41 0.00 0.05 0.03 0.03 99.47 07:10:08 3 0.03 0.00 0.02 0.00 0.02 99.92 07:20:08 all 28.45 0.00 0.83 0.03 0.05 70.64 07:20:08 0 29.51 0.00 0.72 0.02 0.05 69.70 07:20:08 1 28.27 0.00 1.01 0.01 0.04 70.67 07:20:08 2 27.20 0.00 0.81 0.06 0.06 71.87 07:20:08 3 28.80 0.00 0.80 0.02 0.05 70.33 07:30:08 all 71.23 0.00 2.26 0.03 0.11 26.37 07:30:08 0 71.45 0.00 2.46 0.02 0.10 25.97 07:30:08 1 71.25 0.00 2.30 0.03 0.11 26.31 07:30:08 2 71.13 0.00 2.19 0.03 0.10 26.55 07:30:08 3 71.11 0.00 2.08 0.04 0.10 26.67 Average: all 25.68 0.00 0.90 0.10 0.05 73.26 Average: 0 26.07 0.00 0.96 0.08 0.05 72.83 Average: 1 26.20 0.00 0.97 0.12 0.05 72.67 Average: 2 25.23 0.00 0.86 0.15 0.06 73.70 Average: 3 25.23 0.00 0.80 0.06 0.05 73.85