---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-21161 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: 5600.00 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 904 24777 4 6411 30720 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:c3:14:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82507sec preferred_lft 82507sec inet6 fe80::f816:3eff:fec3:146f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:95:03:60:c0:a5 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-21161) 05/29/26 _x86_64_ (8 CPU) 08:23:42 LINUX RESTART (8 CPU) 08:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:11 1.40 0.01 1.39 0.01 0.04 16.49 0.56 08:50:11 1.21 0.00 1.21 0.00 0.00 13.60 0.00 09:00:11 46.81 4.66 40.06 2.09 267.96 5094.53 5930.29 09:10:11 23.28 0.16 20.40 2.72 5.88 2625.23 5792.19 09:20:11 50.51 0.01 31.20 19.30 0.25 3008.72 518319.24 Average: 24.64 0.97 18.85 4.82 54.83 2151.71 106008.46 08:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:11 30107192 31849016 534212 1.63 62760 2015956 1507592 4.45 230744 2204160 12 08:50:11 30107744 31850068 533348 1.62 63112 2016100 1507592 4.45 231112 2205172 176 09:00:11 27160664 30299616 2012236 6.12 137336 3276088 2217132 6.54 601456 4679116 10436 09:10:11 25341308 29057800 3249876 9.89 168644 3765504 3272520 9.65 745480 6311452 228 09:20:11 24842288 29143592 3158812 9.61 210144 4255680 3618844 10.67 899792 6603100 39916 Average: 27511839 30440018 1897697 5.77 128399 3065866 2424736 7.15 541717 4400600 10154 08:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:11 ens3 1.62 0.11 0.22 0.05 0.00 0.00 0.00 0.00 08:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:11 ens3 0.28 0.08 0.05 0.02 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:11 lo 651.42 651.42 620.41 620.41 0.00 0.00 0.00 0.00 09:00:11 ens3 112.66 82.13 1074.07 15.24 0.00 0.00 0.00 0.00 09:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 1008.26 1008.26 959.16 959.16 0.00 0.00 0.00 0.00 09:10:11 ens3 21.70 18.60 12.23 6.55 0.00 0.00 0.00 0.00 09:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:11 lo 2035.28 2035.28 1939.05 1939.05 0.00 0.00 0.00 0.00 09:20:11 ens3 23.47 19.92 7.53 6.69 0.00 0.00 0.00 0.00 09:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 739.03 739.03 703.73 703.73 0.00 0.00 0.00 0.00 Average: ens3 31.94 24.17 218.82 5.71 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-21161) 05/29/26 _x86_64_ (8 CPU) 08:23:42 LINUX RESTART (8 CPU) 08:30:11 CPU %user %nice %system %iowait %steal %idle 08:40:11 all 0.11 0.00 0.02 0.01 0.03 99.84 08:40:11 0 0.00 0.00 0.00 0.00 0.00 100.00 08:40:11 1 0.01 0.00 0.01 0.00 0.01 99.98 08:40:11 2 0.01 0.00 0.02 0.03 0.04 99.90 08:40:11 3 0.74 0.00 0.03 0.00 0.07 99.16 08:40:11 4 0.01 0.00 0.00 0.00 0.00 99.98 08:40:11 5 0.04 0.00 0.04 0.06 0.05 99.82 08:40:11 6 0.02 0.00 0.02 0.01 0.04 99.91 08:40:11 7 0.01 0.00 0.02 0.00 0.02 99.95 08:50:11 all 0.08 0.00 0.02 0.07 0.03 99.81 08:50:11 0 0.01 0.00 0.00 0.00 0.00 99.99 08:50:11 1 0.20 0.00 0.03 0.01 0.10 99.66 08:50:11 2 0.02 0.00 0.02 0.01 0.02 99.94 08:50:11 3 0.01 0.00 0.00 0.47 0.01 99.51 08:50:11 4 0.00 0.00 0.01 0.00 0.00 99.99 08:50:11 5 0.34 0.00 0.03 0.02 0.01 99.59 08:50:11 6 0.01 0.00 0.01 0.03 0.01 99.94 08:50:11 7 0.01 0.00 0.02 0.00 0.08 99.88 09:00:11 all 18.40 0.00 0.92 0.25 0.05 80.38 09:00:11 0 20.44 0.00 0.69 0.04 0.05 78.79 09:00:11 1 20.33 0.00 1.27 0.11 0.06 78.23 09:00:11 2 21.14 0.00 1.11 0.10 0.06 77.59 09:00:11 3 18.57 0.00 0.97 1.09 0.05 79.32 09:00:11 4 18.04 0.00 1.03 0.08 0.05 80.80 09:00:11 5 15.59 0.00 0.68 0.03 0.05 83.64 09:00:11 6 17.14 0.00 0.72 0.10 0.05 81.99 09:00:11 7 15.93 0.00 0.89 0.42 0.05 82.72 09:10:11 all 36.34 0.00 1.44 0.11 0.09 62.02 09:10:11 0 35.54 0.00 1.31 0.02 0.09 63.03 09:10:11 1 35.21 0.00 1.66 0.07 0.09 62.98 09:10:11 2 39.32 0.00 1.63 0.26 0.09 58.69 09:10:11 3 40.25 0.00 1.44 0.04 0.09 58.18 09:10:11 4 39.18 0.00 1.39 0.02 0.09 59.32 09:10:11 5 35.01 0.00 1.29 0.03 0.09 63.59 09:10:11 6 31.40 0.00 1.45 0.33 0.08 66.73 09:10:11 7 34.77 0.00 1.38 0.10 0.09 63.67 09:20:11 all 37.86 0.00 1.87 0.11 0.09 60.07 09:20:11 0 37.95 0.00 1.78 0.24 0.09 59.95 09:20:11 1 39.39 0.00 2.11 0.03 0.09 58.37 09:20:11 2 38.74 0.00 1.75 0.12 0.09 59.29 09:20:11 3 40.91 0.00 1.90 0.07 0.09 57.02 09:20:11 4 36.96 0.00 1.74 0.10 0.08 61.12 09:20:11 5 32.65 0.00 1.92 0.18 0.08 65.17 09:20:11 6 38.50 0.00 1.83 0.03 0.09 59.54 09:20:11 7 37.77 0.00 1.93 0.12 0.08 60.10 Average: all 18.52 0.00 0.85 0.11 0.06 80.46 Average: 0 18.77 0.00 0.76 0.06 0.05 80.37 Average: 1 18.99 0.00 1.01 0.05 0.07 79.88 Average: 2 19.82 0.00 0.90 0.10 0.06 79.11 Average: 3 20.05 0.00 0.87 0.33 0.06 78.69 Average: 4 18.81 0.00 0.83 0.04 0.04 80.28 Average: 5 16.70 0.00 0.79 0.06 0.05 82.40 Average: 6 17.39 0.00 0.81 0.10 0.05 81.65 Average: 7 17.66 0.00 0.84 0.13 0.06 81.30