---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12259 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 653 10607 4 4729 14993 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:82:0f:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83871sec preferred_lft 83871sec inet6 fe80::f816:3eff:fe82:fcb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:08:8d:fd:86:ab 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-12259) 05/09/26 _x86_64_ (4 CPU) 14:39:29 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 32.69 2.23 29.83 0.63 133.72 2459.40 1229.71 15:00:21 11.40 1.86 8.77 0.78 120.15 2638.26 1727.25 15:10:11 27.69 0.80 23.31 3.58 28.62 4237.48 11317.59 15:20:01 6.45 0.40 4.84 1.21 13.80 648.71 895.57 Average: 19.51 1.33 16.64 1.54 74.90 2496.78 3753.67 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 13161352 15545776 433152 2.65 97048 2480396 998500 5.73 335636 2565372 328 15:00:21 10907896 14143652 1816832 11.10 130344 3236836 2124988 12.20 550872 4537184 21648 15:10:11 8789208 13156024 2795820 17.08 165964 4248976 3576408 20.53 855668 6259032 22116 15:20:01 10899492 15382112 569564 3.48 174060 4347456 1112892 6.39 896672 4071596 76 Average: 10939487 14556891 1403842 8.57 141854 3578416 1953197 11.21 659712 4358296 11042 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 14:50:01 ens3 49.70 36.12 404.11 7.37 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:21 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 15:00:21 ens3 88.00 69.31 572.39 16.15 0.00 0.00 0.00 0.00 15:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:11 lo 1645.66 1645.66 1568.86 1568.86 0.00 0.00 0.00 0.00 15:10:11 ens3 97.94 74.11 436.25 19.55 0.00 0.00 0.00 0.00 15:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 121.90 121.90 103.68 103.68 0.00 0.00 0.00 0.00 15:20:01 ens3 47.58 53.06 21.85 144.72 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 434.55 434.55 410.88 410.88 0.00 0.00 0.00 0.00 Average: ens3 70.91 58.19 361.38 46.42 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-12259) 05/09/26 _x86_64_ (4 CPU) 14:39:29 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 2.76 0.00 0.35 0.24 0.03 96.62 14:50:01 0 1.48 0.00 0.27 0.08 0.03 98.14 14:50:01 1 5.75 0.00 0.57 0.63 0.03 93.03 14:50:01 2 1.28 0.00 0.30 0.09 0.02 98.31 14:50:01 3 2.52 0.00 0.26 0.18 0.02 97.02 15:00:21 all 53.75 0.00 1.92 0.04 0.08 44.22 15:00:21 0 52.65 0.00 1.73 0.03 0.08 45.51 15:00:21 1 55.00 0.00 1.93 0.03 0.08 42.97 15:00:21 2 53.20 0.00 2.17 0.04 0.08 44.52 15:00:21 3 54.13 0.00 1.85 0.06 0.08 43.89 15:10:11 all 68.78 0.00 2.86 0.06 0.09 28.21 15:10:11 0 70.21 0.00 2.93 0.04 0.09 26.73 15:10:11 1 70.88 0.00 2.90 0.06 0.09 26.08 15:10:11 2 67.59 0.00 2.81 0.11 0.09 29.41 15:10:11 3 66.44 0.00 2.81 0.05 0.09 30.62 15:20:01 all 13.87 0.00 0.49 0.03 0.04 85.57 15:20:01 0 11.55 0.00 0.41 0.02 0.03 87.99 15:20:01 1 13.04 0.00 0.42 0.08 0.04 86.42 15:20:01 2 16.61 0.00 0.57 0.02 0.04 82.76 15:20:01 3 14.27 0.00 0.58 0.01 0.04 85.09 Average: all 34.81 0.00 1.40 0.09 0.06 63.63 Average: 0 34.00 0.00 1.33 0.04 0.06 64.57 Average: 1 36.17 0.00 1.45 0.20 0.06 62.12 Average: 2 34.70 0.00 1.46 0.06 0.06 63.72 Average: 3 34.38 0.00 1.37 0.08 0.06 64.12