---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-31270 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 18G 138G 12% / 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 763 18671 4 12657 30860 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:2a:f5:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84081sec preferred_lft 84081sec inet6 fe80::f816:3eff:fe2a:f538/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:e3:23:4c:b1:ba 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 inet6 fe80::84e3:23ff:fe4c:b1ba/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-31270) 06/28/26 _x86_64_ (8 CPU) 00:25:51 LINUX RESTART (8 CPU) 00:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:15 80.38 5.12 59.73 15.53 888.15 8551.09 532328.46 00:50:15 12.51 0.05 12.05 0.40 1.89 5208.93 887.23 01:00:15 53.55 2.19 50.29 1.07 320.01 21073.76 2857.48 Average: 48.81 2.45 40.69 5.67 403.35 11611.26 178691.05 00:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:15 25064452 29370488 2939184 8.94 137640 4408084 4150224 12.24 916388 6454332 10268 00:50:15 20993288 28606716 3689304 11.23 174328 7545852 3972740 11.72 2078672 9200100 1712444 01:00:15 19394256 31661676 611436 1.86 232076 11944412 1454084 4.29 3309580 9337652 64 Average: 21817332 29879627 2413308 7.34 181348 7966116 3192349 9.41 2101547 8330695 574259 00:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:15 lo 4.85 4.85 0.47 0.47 0.00 0.00 0.00 0.00 00:40:15 ens3 136.76 104.65 1332.44 19.25 0.00 0.00 0.00 0.00 00:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:15 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 00:50:15 ens3 59.44 50.74 257.41 12.83 0.00 0.00 0.00 0.00 00:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:15 lo 234.61 234.61 229.35 229.35 0.00 0.00 0.00 0.00 01:00:15 ens3 133.16 122.30 341.24 1413.35 0.00 0.00 0.00 0.00 01:00:15 docker0 93.28 92.31 1403.93 10.94 0.00 0.00 0.00 0.00 01:00:15 veth553dc9a 93.28 92.32 1405.21 10.94 0.00 0.00 0.00 0.12 Average: lo 80.34 80.34 76.65 76.65 0.00 0.00 0.00 0.00 Average: ens3 109.78 92.56 643.70 481.81 0.00 0.00 0.00 0.00 Average: docker0 31.09 30.77 467.98 3.65 0.00 0.00 0.00 0.00 Average: veth553dc9a 31.09 30.77 468.40 3.65 0.00 0.00 0.00 0.04 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-31270) 06/28/26 _x86_64_ (8 CPU) 00:25:51 LINUX RESTART (8 CPU) 00:30:15 CPU %user %nice %system %iowait %steal %idle 00:40:15 all 19.18 0.00 1.16 0.22 0.05 79.39 00:40:15 0 18.81 0.00 1.02 0.13 0.05 79.99 00:40:15 1 16.77 0.00 1.17 0.54 0.06 81.47 00:40:15 2 18.69 0.00 1.09 0.15 0.05 80.02 00:40:15 3 20.96 0.00 1.43 0.07 0.05 77.49 00:40:15 4 18.75 0.00 1.05 0.09 0.05 80.07 00:40:15 5 18.35 0.00 1.05 0.52 0.05 80.03 00:40:15 6 18.49 0.00 1.17 0.15 0.05 80.14 00:40:15 7 22.64 0.00 1.28 0.14 0.05 75.90 00:50:15 all 32.48 0.00 1.31 0.04 0.07 66.10 00:50:15 0 30.31 0.00 1.10 0.06 0.07 68.47 00:50:15 1 29.63 0.00 1.67 0.07 0.07 68.57 00:50:15 2 33.94 0.00 1.20 0.02 0.07 64.77 00:50:15 3 33.36 0.00 1.42 0.06 0.07 65.10 00:50:15 4 34.17 0.00 1.36 0.01 0.07 64.40 00:50:15 5 37.21 0.00 1.36 0.04 0.07 61.33 00:50:15 6 30.03 0.00 1.03 0.03 0.07 68.85 00:50:15 7 31.18 0.00 1.38 0.01 0.07 67.36 01:00:15 all 13.68 0.00 1.18 0.17 0.05 84.92 01:00:15 0 10.48 0.00 0.78 0.13 0.04 88.57 01:00:15 1 9.86 0.00 0.75 0.36 0.05 88.98 01:00:15 2 16.90 0.00 1.70 0.06 0.05 81.30 01:00:15 3 17.15 0.00 1.59 0.17 0.06 81.03 01:00:15 4 14.79 0.00 1.52 0.12 0.06 83.51 01:00:15 5 13.44 0.00 1.22 0.05 0.05 85.23 01:00:15 6 12.30 0.00 0.80 0.28 0.05 86.57 01:00:15 7 14.55 0.00 1.06 0.15 0.05 84.19 Average: all 21.77 0.00 1.22 0.14 0.06 76.81 Average: 0 19.86 0.00 0.97 0.10 0.05 79.02 Average: 1 18.74 0.00 1.19 0.33 0.06 79.68 Average: 2 23.17 0.00 1.33 0.08 0.06 75.37 Average: 3 23.81 0.00 1.48 0.10 0.06 74.55 Average: 4 22.56 0.00 1.31 0.07 0.06 76.00 Average: 5 23.00 0.00 1.21 0.20 0.06 75.54 Average: 6 20.27 0.00 1.00 0.15 0.05 78.53 Average: 7 22.79 0.00 1.24 0.10 0.06 75.82