---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-34768 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 765 25136 4 6190 30859 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:e2:b2:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82034sec preferred_lft 82034sec inet6 fe80::f816:3eff:fee2:b2f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:0a:e6:0d:93:0b 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-34768) 07/11/26 _x86_64_ (8 CPU) 07:12:08 LINUX RESTART (8 CPU) 07:20:51 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:13 1.57 0.01 1.57 0.00 0.04 17.68 0.14 07:40:19 1.49 0.00 1.49 0.00 0.00 16.75 0.01 07:50:19 1.49 0.00 1.49 0.00 0.00 16.24 0.00 08:00:14 1.46 0.00 1.46 0.00 0.00 16.30 0.00 08:10:55 1.51 0.00 1.51 0.00 0.00 16.85 0.00 08:20:00 47.98 4.00 43.23 0.75 137.09 10373.89 3148.77 Average: 8.64 0.61 7.91 0.11 21.04 1606.14 483.23 07:20:51 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:13 30240776 31884768 502340 1.53 60148 1921804 1511680 4.46 199460 2135540 36 07:40:19 30237760 31882368 504740 1.54 60752 1921804 1511680 4.46 200068 2135392 40 07:50:19 30235744 31880976 505876 1.54 61336 1921824 1511680 4.46 200664 2136064 176 08:00:14 30239904 31885848 500712 1.52 61928 1921956 1511744 4.46 201240 2136116 32 08:10:55 30235664 31882232 504220 1.53 62552 1921972 1511744 4.46 201840 2137500 4 08:20:00 25973592 30278292 2037852 6.20 104880 4480744 2260404 6.67 1180352 5280848 100 Average: 29527240 31615747 759290 2.31 68599 2348351 1636489 4.83 363937 2660243 65 07:20:51 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:13 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:30:13 ens3 0.36 0.15 0.21 0.04 0.00 0.00 0.00 0.00 07:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:19 ens3 0.25 0.11 0.06 0.04 0.00 0.00 0.00 0.00 07:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:19 ens3 0.16 0.09 0.05 0.02 0.00 0.00 0.00 0.00 07:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:14 ens3 0.32 0.17 0.11 0.08 0.00 0.00 0.00 0.00 08:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:55 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 08:10:55 ens3 0.37 0.16 0.12 0.08 0.00 0.00 0.00 0.00 08:10:55 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 177.61 177.61 217.20 217.20 0.00 0.00 0.00 0.00 08:20:00 ens3 618.99 376.99 1378.68 1133.42 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 27.34 27.34 33.34 33.34 0.00 0.00 0.00 0.00 Average: ens3 95.23 57.97 211.66 173.98 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-34768) 07/11/26 _x86_64_ (8 CPU) 07:12:08 LINUX RESTART (8 CPU) 07:20:51 CPU %user %nice %system %iowait %steal %idle 07:30:13 all 0.05 0.00 0.02 0.01 0.01 99.91 07:30:13 0 0.02 0.00 0.01 0.00 0.01 99.96 07:30:13 1 0.01 0.00 0.01 0.00 0.00 99.98 07:30:13 2 0.01 0.00 0.01 0.00 0.01 99.97 07:30:13 3 0.02 0.00 0.01 0.00 0.01 99.96 07:30:13 4 0.02 0.00 0.02 0.03 0.02 99.90 07:30:13 5 0.31 0.00 0.04 0.00 0.01 99.64 07:30:13 6 0.02 0.00 0.03 0.00 0.01 99.94 07:30:13 7 0.01 0.00 0.02 0.00 0.01 99.96 07:40:19 all 0.14 0.00 0.01 0.01 0.01 99.83 07:40:19 0 0.02 0.00 0.01 0.00 0.01 99.96 07:40:19 1 0.97 0.00 0.03 0.00 0.01 98.99 07:40:19 2 0.02 0.00 0.01 0.02 0.01 99.94 07:40:19 3 0.01 0.00 0.01 0.00 0.00 99.98 07:40:19 4 0.02 0.00 0.02 0.02 0.02 99.92 07:40:19 5 0.06 0.00 0.01 0.00 0.00 99.93 07:40:19 6 0.01 0.00 0.01 0.00 0.01 99.97 07:40:19 7 0.01 0.00 0.01 0.00 0.00 99.97 07:50:19 all 0.07 0.00 0.01 0.01 0.01 99.90 07:50:19 0 0.01 0.00 0.01 0.00 0.00 99.98 07:50:19 1 0.03 0.00 0.01 0.00 0.01 99.95 07:50:19 2 0.44 0.00 0.01 0.03 0.01 99.52 07:50:19 3 0.03 0.00 0.03 0.01 0.02 99.92 07:50:19 4 0.01 0.00 0.02 0.00 0.01 99.96 07:50:19 5 0.00 0.00 0.01 0.00 0.00 99.99 07:50:19 6 0.02 0.00 0.01 0.00 0.01 99.96 07:50:19 7 0.02 0.00 0.02 0.00 0.01 99.95 08:00:14 all 0.04 0.00 0.01 0.00 0.01 99.93 08:00:14 0 0.01 0.00 0.01 0.00 0.01 99.97 08:00:14 1 0.02 0.00 0.01 0.00 0.01 99.96 08:00:14 2 0.16 0.00 0.01 0.03 0.01 99.79 08:00:14 3 0.02 0.00 0.02 0.00 0.01 99.96 08:00:14 4 0.07 0.00 0.01 0.00 0.01 99.91 08:00:14 5 0.01 0.00 0.01 0.00 0.01 99.98 08:00:14 6 0.01 0.00 0.02 0.00 0.01 99.96 08:00:14 7 0.03 0.00 0.02 0.00 0.02 99.93 08:10:55 all 0.17 0.00 0.01 0.17 0.01 99.64 08:10:55 0 0.51 0.00 0.00 0.00 0.01 99.48 08:10:55 1 0.20 0.00 0.02 0.01 0.01 99.76 08:10:55 2 0.01 0.00 0.01 1.36 0.00 98.62 08:10:55 3 0.02 0.00 0.02 0.00 0.01 99.94 08:10:55 4 0.58 0.00 0.02 0.00 0.01 99.38 08:10:55 5 0.01 0.00 0.01 0.00 0.00 99.98 08:10:55 6 0.02 0.00 0.01 0.00 0.01 99.97 08:10:55 7 0.01 0.00 0.02 0.00 0.00 99.96 08:20:00 all 13.40 0.00 0.92 0.21 0.04 85.42 08:20:00 0 16.74 0.00 0.91 0.02 0.04 82.29 08:20:00 1 13.13 0.00 1.12 0.38 0.04 85.33 08:20:00 2 16.88 0.00 1.07 0.28 0.05 81.71 08:20:00 3 11.70 0.00 0.92 0.04 0.04 87.30 08:20:00 4 12.25 0.00 0.95 0.39 0.04 86.37 08:20:00 5 11.36 0.00 0.79 0.42 0.04 87.38 08:20:00 6 13.75 0.00 0.98 0.09 0.04 85.13 08:20:00 7 11.42 0.00 0.64 0.03 0.04 87.86 Average: all 2.13 0.00 0.15 0.07 0.01 97.63 Average: 0 2.66 0.00 0.15 0.00 0.01 97.18 Average: 1 2.22 0.00 0.18 0.06 0.01 97.52 Average: 2 2.69 0.00 0.17 0.30 0.01 96.82 Average: 3 1.81 0.00 0.16 0.01 0.02 98.02 Average: 4 2.00 0.00 0.16 0.07 0.02 97.75 Average: 5 1.80 0.00 0.13 0.06 0.01 97.99 Average: 6 2.12 0.00 0.16 0.01 0.01 97.69 Average: 7 1.76 0.00 0.11 0.01 0.01 98.11