---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-53334 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 746 25294 4 6051 30878 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:c4:73:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82065sec preferred_lft 82065sec inet6 fe80::f816:3eff:fec4:73a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:26:43:1b:5b:9e 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-53334) 03/27/26 _x86_64_ (8 CPU) 02:49:35 LINUX RESTART (8 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 11.48 5.87 5.54 0.07 1120.64 3984.45 668.11 03:10:20 15.06 0.01 1.67 13.39 0.52 18.55 498489.68 03:20:20 1.59 0.00 1.59 0.00 0.01 17.75 0.00 03:30:20 1.60 0.00 1.60 0.00 0.00 17.53 0.00 03:40:20 1.63 0.00 1.63 0.00 0.00 17.79 0.00 03:50:20 22.63 1.07 21.55 0.01 36.88 314.47 34.21 04:00:01 32.31 3.83 27.72 0.76 124.72 12648.41 7213.27 Average: 12.25 1.52 8.64 2.09 183.05 2375.24 74488.44 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 30252988 31889796 496872 1.51 60068 1914740 1501896 4.43 198408 2121188 8 03:10:20 30243208 31891148 495572 1.51 60968 1924912 1501912 4.43 209252 2122300 8 03:20:20 30243212 31891768 494640 1.51 61588 1924928 1501976 4.43 209828 2123184 16 03:30:20 30241964 31891204 495544 1.51 62188 1924932 1501976 4.43 210476 2124856 12 03:40:20 30234228 31884088 502644 1.53 62764 1924948 1501976 4.43 211056 2131780 180 03:50:20 30156180 31863096 522204 1.59 64080 1979576 1105080 3.26 221936 2206512 12260 04:00:01 26494256 31703328 604504 1.84 130528 5315472 1127328 3.32 1302836 4581136 396 Average: 29695148 31859204 515997 1.57 71741 2415644 1391735 4.10 366256 2487279 1840 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 03:00:01 ens3 14.24 9.29 35.50 2.09 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:10:20 ens3 0.26 0.09 0.05 0.02 0.00 0.00 0.00 0.00 03:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:20:20 ens3 0.22 0.08 0.05 0.02 0.00 0.00 0.00 0.00 03:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:30:20 ens3 0.38 0.14 0.10 0.06 0.00 0.00 0.00 0.00 03:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:40:20 ens3 0.33 0.11 0.08 0.05 0.00 0.00 0.00 0.00 03:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:20 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 03:50:20 ens3 19.76 11.22 74.80 5.14 0.00 0.00 0.00 0.00 03:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:01 lo 155.56 155.56 192.87 192.87 0.00 0.00 0.00 0.00 04:00:01 ens3 535.32 328.11 1678.30 1189.10 0.00 0.00 0.00 0.00 04:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.61 21.61 26.68 26.68 0.00 0.00 0.00 0.00 Average: ens3 79.08 48.38 247.95 165.53 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-53334) 03/27/26 _x86_64_ (8 CPU) 02:49:35 LINUX RESTART (8 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 0.22 0.00 0.06 0.66 0.01 99.05 03:00:01 0 0.54 0.00 0.08 0.62 0.01 98.75 03:00:01 1 0.13 0.00 0.09 1.67 0.01 98.10 03:00:01 2 0.13 0.00 0.07 0.41 0.02 99.36 03:00:01 3 0.09 0.00 0.04 0.50 0.00 99.36 03:00:01 4 0.20 0.00 0.03 0.81 0.00 98.95 03:00:01 5 0.27 0.00 0.04 0.08 0.00 99.60 03:00:01 6 0.28 0.00 0.03 1.18 0.00 98.50 03:00:01 7 0.12 0.00 0.07 0.04 0.01 99.76 03:10:20 all 0.06 0.00 0.02 0.03 0.01 99.89 03:10:20 0 0.21 0.00 0.01 0.00 0.00 99.78 03:10:20 1 0.01 0.00 0.01 0.00 0.01 99.96 03:10:20 2 0.02 0.00 0.02 0.03 0.00 99.93 03:10:20 3 0.03 0.00 0.01 0.00 0.01 99.95 03:10:20 4 0.02 0.00 0.03 0.17 0.00 99.77 03:10:20 5 0.15 0.00 0.02 0.00 0.01 99.81 03:10:20 6 0.01 0.00 0.02 0.01 0.01 99.95 03:10:20 7 0.00 0.00 0.00 0.00 0.01 99.98 03:20:20 all 0.06 0.00 0.01 0.01 0.01 99.91 03:20:20 0 0.00 0.00 0.01 0.00 0.00 99.99 03:20:20 1 0.36 0.00 0.01 0.01 0.01 99.60 03:20:20 2 0.06 0.00 0.02 0.03 0.01 99.88 03:20:20 3 0.02 0.00 0.01 0.00 0.00 99.97 03:20:20 4 0.01 0.00 0.01 0.00 0.00 99.98 03:20:20 5 0.01 0.00 0.02 0.00 0.01 99.96 03:20:20 6 0.01 0.00 0.01 0.01 0.00 99.97 03:20:20 7 0.01 0.00 0.02 0.01 0.02 99.94 03:30:20 all 0.05 0.00 0.01 0.01 0.01 99.92 03:30:20 0 0.00 0.00 0.00 0.00 0.00 100.00 03:30:20 1 0.01 0.00 0.01 0.00 0.01 99.96 03:30:20 2 0.35 0.00 0.03 0.00 0.01 99.61 03:30:20 3 0.02 0.00 0.02 0.00 0.00 99.96 03:30:20 4 0.01 0.00 0.00 0.00 0.00 99.99 03:30:20 5 0.01 0.00 0.01 0.00 0.00 99.98 03:30:20 6 0.01 0.00 0.01 0.03 0.00 99.95 03:30:20 7 0.03 0.00 0.03 0.00 0.02 99.92 03:40:20 all 0.02 0.00 0.01 0.00 0.01 99.96 03:40:20 0 0.00 0.00 0.01 0.00 0.00 99.99 03:40:20 1 0.01 0.00 0.01 0.00 0.01 99.96 03:40:20 2 0.01 0.00 0.02 0.00 0.01 99.96 03:40:20 3 0.01 0.00 0.01 0.00 0.00 99.97 03:40:20 4 0.01 0.00 0.01 0.00 0.00 99.98 03:40:20 5 0.06 0.00 0.01 0.00 0.00 99.93 03:40:20 6 0.02 0.00 0.02 0.03 0.01 99.93 03:40:20 7 0.02 0.00 0.02 0.00 0.03 99.92 03:50:20 all 0.24 0.00 0.05 0.05 0.01 99.65 03:50:20 0 0.23 0.00 0.07 0.02 0.00 99.67 03:50:20 1 0.13 0.00 0.04 0.01 0.01 99.81 03:50:20 2 0.23 0.00 0.04 0.01 0.02 99.71 03:50:20 3 0.22 0.00 0.04 0.01 0.01 99.73 03:50:20 4 0.11 0.00 0.04 0.00 0.01 99.85 03:50:20 5 0.42 0.00 0.12 0.34 0.00 99.11 03:50:20 6 0.32 0.00 0.02 0.04 0.00 99.62 03:50:20 7 0.25 0.00 0.04 0.00 0.02 99.70 04:00:01 all 12.24 0.00 1.05 0.12 0.04 86.55 04:00:01 0 10.81 0.00 0.74 0.09 0.04 88.32 04:00:01 1 10.87 0.00 0.94 0.12 0.04 88.02 04:00:01 2 16.53 0.00 1.35 0.17 0.05 81.91 04:00:01 3 11.78 0.00 1.16 0.02 0.04 87.00 04:00:01 4 14.72 0.00 1.14 0.08 0.04 84.01 04:00:01 5 10.68 0.00 0.94 0.26 0.05 88.08 04:00:01 6 11.31 0.00 1.14 0.07 0.04 87.44 04:00:01 7 11.19 0.00 1.03 0.12 0.05 87.61 Average: all 1.78 0.00 0.17 0.12 0.01 97.91 Average: 0 1.63 0.00 0.13 0.10 0.01 98.13 Average: 1 1.59 0.00 0.16 0.26 0.02 97.98 Average: 2 2.40 0.00 0.22 0.09 0.02 97.28 Average: 3 1.68 0.00 0.18 0.08 0.01 98.06 Average: 4 2.08 0.00 0.18 0.15 0.01 97.58 Average: 5 1.60 0.00 0.16 0.10 0.01 98.13 Average: 6 1.65 0.00 0.17 0.19 0.01 97.97 Average: 7 1.61 0.00 0.17 0.02 0.02 98.18