---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25866 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 912 25036 4 6143 30712 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:3b:53:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83745sec preferred_lft 83745sec inet6 fe80::f816:3eff:fe3b:537b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:55:62:bb:b6:dc 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-25866) 03/03/26 _x86_64_ (8 CPU) 01:39:45 LINUX RESTART (8 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:26 78.88 11.04 51.44 16.40 1450.04 16586.52 496034.24 02:00:17 25.91 0.16 22.40 3.34 6.09 2370.59 10212.81 02:10:26 37.93 0.01 33.01 4.91 0.09 3319.26 13239.70 02:20:21 29.31 0.12 25.49 3.69 6.43 6563.85 4252.19 Average: 43.46 2.93 33.33 7.20 377.76 7313.99 135035.82 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:26 26515796 29575460 2737484 8.33 144784 3179952 2903388 8.56 626384 5305000 24768 02:00:17 25884168 29404152 2905184 8.84 174252 3566760 2960664 8.73 743256 5777632 12812 02:10:26 25184988 29323520 2980116 9.07 214160 4089836 2991528 8.82 897736 6257672 23316 02:20:21 25839684 31635448 661492 2.01 235244 5661612 1231144 3.63 1490200 4908564 40 Average: 25856159 29984645 2321069 7.06 192110 4124540 2521681 7.44 939394 5562217 15234 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:26 lo 840.74 840.74 801.02 801.02 0.00 0.00 0.00 0.00 01:50:26 ens3 145.04 111.90 1097.00 24.94 0.00 0.00 0.00 0.00 01:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:17 lo 1247.30 1247.30 1187.02 1187.02 0.00 0.00 0.00 0.00 02:00:17 ens3 57.85 39.03 22.79 14.85 0.00 0.00 0.00 0.00 02:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:26 lo 1862.50 1862.50 1773.87 1773.87 0.00 0.00 0.00 0.00 02:10:26 ens3 65.79 43.31 19.34 16.18 0.00 0.00 0.00 0.00 02:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:21 lo 990.07 990.07 933.06 933.06 0.00 0.00 0.00 0.00 02:20:21 ens3 97.08 83.59 191.18 208.47 0.00 0.00 0.00 0.00 02:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1233.67 1233.67 1172.38 1172.38 0.00 0.00 0.00 0.00 Average: ens3 92.03 69.90 340.91 65.43 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-25866) 03/03/26 _x86_64_ (8 CPU) 01:39:45 LINUX RESTART (8 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:26 all 23.02 0.00 1.30 0.28 0.05 75.35 01:50:26 0 24.52 0.00 1.33 0.06 0.05 74.03 01:50:26 1 19.99 0.00 1.22 0.74 0.05 78.01 01:50:26 2 21.97 0.00 1.25 0.21 0.05 76.53 01:50:26 3 26.37 0.00 1.50 0.13 0.06 71.93 01:50:26 4 24.08 0.00 1.54 0.43 0.05 73.89 01:50:26 5 23.51 0.00 1.26 0.08 0.05 75.09 01:50:26 6 20.01 0.00 1.04 0.51 0.05 78.39 01:50:26 7 23.68 0.00 1.25 0.09 0.05 74.94 02:00:17 all 33.09 0.00 1.47 0.05 0.07 65.32 02:00:17 0 33.79 0.00 1.19 0.03 0.07 64.92 02:00:17 1 36.17 0.00 1.79 0.05 0.07 61.92 02:00:17 2 33.29 0.00 1.34 0.01 0.07 65.29 02:00:17 3 34.01 0.00 1.70 0.08 0.07 64.14 02:00:17 4 32.96 0.00 1.29 0.01 0.07 65.68 02:00:17 5 31.85 0.00 1.50 0.17 0.07 66.41 02:00:17 6 28.35 0.00 1.40 0.03 0.07 70.15 02:00:17 7 34.32 0.00 1.52 0.05 0.06 64.05 02:10:26 all 39.15 0.00 1.96 0.06 0.08 58.75 02:10:26 0 33.67 0.00 1.88 0.06 0.07 64.31 02:10:26 1 41.10 0.00 2.13 0.06 0.08 56.63 02:10:26 2 43.03 0.00 1.81 0.07 0.08 55.02 02:10:26 3 41.32 0.00 1.92 0.06 0.08 56.62 02:10:26 4 39.73 0.00 1.89 0.04 0.07 58.27 02:10:26 5 37.94 0.00 2.21 0.11 0.07 59.67 02:10:26 6 39.47 0.00 1.95 0.02 0.07 58.48 02:10:26 7 36.92 0.00 1.91 0.08 0.08 61.02 02:20:21 all 25.17 0.00 1.23 0.82 0.06 72.71 02:20:21 0 28.16 0.00 1.30 0.03 0.06 70.45 02:20:21 1 22.94 0.00 1.40 0.05 0.06 75.55 02:20:21 2 23.90 0.00 1.24 3.24 0.06 71.56 02:20:21 3 25.60 0.00 1.11 0.17 0.07 73.05 02:20:21 4 25.90 0.00 1.16 1.89 0.06 70.99 02:20:21 5 22.45 0.00 1.08 0.23 0.07 76.17 02:20:21 6 30.13 0.00 1.33 0.82 0.07 67.65 02:20:21 7 22.25 0.00 1.24 0.18 0.05 76.28 Average: all 30.06 0.00 1.49 0.30 0.06 68.08 Average: 0 29.98 0.00 1.43 0.04 0.06 68.48 Average: 1 29.97 0.00 1.63 0.23 0.07 68.10 Average: 2 30.50 0.00 1.41 0.87 0.06 67.15 Average: 3 31.81 0.00 1.56 0.11 0.07 66.46 Average: 4 30.63 0.00 1.47 0.59 0.06 67.25 Average: 5 28.91 0.00 1.51 0.15 0.06 69.36 Average: 6 29.42 0.00 1.43 0.35 0.06 68.74 Average: 7 29.25 0.00 1.48 0.10 0.06 69.11