---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25637 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 906 24688 4 6497 30718 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:1e:8a:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83899sec preferred_lft 83899sec inet6 fe80::f816:3eff:fe1e:8a64/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:b6:cd:ea:c4:26 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-8c-8g-25637) 06/07/26 _x86_64_ (8 CPU) 12:59:22 LINUX RESTART (8 CPU) 13:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 37.74 3.86 30.94 2.94 401.41 6120.46 5853.74 13:20:12 41.38 0.15 23.28 17.96 5.75 2185.92 521763.20 13:30:12 32.63 0.00 28.57 4.06 0.07 3171.38 21107.46 13:40:08 26.25 0.30 22.82 3.13 11.77 6534.83 6187.06 Average: 34.53 1.07 26.37 7.09 103.25 4483.02 141170.05 13:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 26216568 29662468 2648712 8.06 149272 3541992 2817664 8.31 703052 5518784 20464 13:20:12 25710108 29562088 2744716 8.35 178848 3880132 2739192 8.08 817352 5866956 14844 13:30:12 24391292 28848320 3454032 10.51 216236 4393664 3512148 10.36 964504 6972980 10188 13:40:08 25394128 31554948 739444 2.25 233836 6017044 1329680 3.92 1585192 5278796 40 Average: 25428024 29906956 2396726 7.29 194548 4458208 2599671 7.67 1017525 5909379 11384 13:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 876.43 876.43 834.76 834.76 0.00 0.00 0.00 0.00 13:10:01 ens3 126.29 99.66 1103.62 21.56 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:12 lo 1429.81 1429.81 1361.05 1361.05 0.00 0.00 0.00 0.00 13:20:12 ens3 37.48 29.07 15.96 11.61 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:12 lo 1708.82 1708.82 1627.46 1627.46 0.00 0.00 0.00 0.00 13:30:12 ens3 47.14 34.91 17.02 14.41 0.00 0.00 0.00 0.00 13:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:08 lo 773.27 773.27 718.18 718.18 0.00 0.00 0.00 0.00 13:40:08 ens3 142.42 143.34 226.66 983.84 0.00 0.00 0.00 0.00 13:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1200.11 1200.11 1138.27 1138.27 0.00 0.00 0.00 0.00 Average: ens3 87.87 76.33 336.44 256.56 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-8c-8g-25637) 06/07/26 _x86_64_ (8 CPU) 12:59:22 LINUX RESTART (8 CPU) 13:00:11 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 28.54 0.00 1.44 0.15 0.06 69.80 13:10:01 0 25.13 0.00 1.35 0.18 0.06 73.28 13:10:01 1 29.20 0.00 1.50 0.39 0.06 68.86 13:10:01 2 28.01 0.00 1.80 0.03 0.08 70.08 13:10:01 3 27.07 0.00 1.26 0.06 0.05 71.55 13:10:01 4 31.67 0.00 1.44 0.08 0.06 66.74 13:10:01 5 28.04 0.00 1.37 0.05 0.06 70.48 13:10:01 6 31.24 0.00 1.55 0.07 0.06 67.09 13:10:01 7 28.01 0.00 1.29 0.32 0.06 70.33 13:20:12 all 35.95 0.00 1.65 0.08 0.07 62.26 13:20:12 0 31.92 0.00 1.72 0.05 0.06 66.25 13:20:12 1 38.62 0.00 2.00 0.04 0.07 59.28 13:20:12 2 37.83 0.00 1.92 0.05 0.07 60.13 13:20:12 3 34.99 0.00 1.74 0.24 0.06 62.97 13:20:12 4 38.81 0.00 1.67 0.12 0.07 59.33 13:20:12 5 35.24 0.00 1.47 0.05 0.07 63.18 13:20:12 6 35.75 0.00 1.45 0.02 0.08 62.71 13:20:12 7 34.47 0.00 1.22 0.03 0.06 64.22 13:30:12 all 41.15 0.00 1.99 0.07 0.07 56.72 13:30:12 0 40.09 0.00 1.84 0.05 0.07 57.95 13:30:12 1 42.97 0.00 2.10 0.04 0.08 54.81 13:30:12 2 37.59 0.00 2.13 0.07 0.07 60.14 13:30:12 3 39.79 0.00 1.94 0.22 0.07 57.98 13:30:12 4 42.36 0.00 2.07 0.07 0.07 55.44 13:30:12 5 44.22 0.00 2.14 0.05 0.06 53.53 13:30:12 6 38.64 0.00 1.84 0.05 0.07 59.39 13:30:12 7 43.55 0.00 1.84 0.02 0.07 54.52 13:40:08 all 24.40 0.00 1.25 0.09 0.07 74.19 13:40:08 0 22.16 0.00 1.35 0.06 0.07 76.37 13:40:08 1 27.97 0.00 1.52 0.05 0.06 70.40 13:40:08 2 28.25 0.00 1.26 0.07 0.06 70.36 13:40:08 3 27.01 0.00 1.41 0.21 0.08 71.29 13:40:08 4 21.73 0.00 1.18 0.03 0.07 76.99 13:40:08 5 25.21 0.00 1.13 0.04 0.06 73.55 13:40:08 6 23.93 0.00 1.06 0.02 0.06 74.93 13:40:08 7 18.94 0.00 1.08 0.25 0.06 79.67 Average: all 32.55 0.00 1.58 0.10 0.07 65.70 Average: 0 29.86 0.00 1.57 0.08 0.06 68.42 Average: 1 34.73 0.00 1.78 0.13 0.07 63.29 Average: 2 32.97 0.00 1.78 0.05 0.07 65.13 Average: 3 32.25 0.00 1.59 0.19 0.07 65.91 Average: 4 33.69 0.00 1.59 0.08 0.07 64.57 Average: 5 33.22 0.00 1.53 0.05 0.06 65.14 Average: 6 32.42 0.00 1.48 0.04 0.07 66.00 Average: 7 31.28 0.00 1.36 0.15 0.06 67.15