---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1440 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: 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 23G 133G 15% / 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 854 14501 4 16735 30769 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:4f:eb:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.233/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84313sec preferred_lft 84313sec inet6 fe80::f816:3eff:fe4f:eb4b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:59:58:0a:ba:d8 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::ac59:58ff:fe0a:bad8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1440) 03/04/26 _x86_64_ (8 CPU) 10:56:02 LINUX RESTART (8 CPU) 11:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:05 84.17 1.23 80.15 2.79 60.36 40150.04 36803.10 11:20:01 173.82 0.13 151.12 22.57 1.65 17315.18 487946.52 11:30:05 227.26 0.13 224.79 2.35 2.04 15757.72 84801.24 Average: 161.94 0.49 152.25 9.20 21.31 24389.52 202453.66 11:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:05 20067900 29974388 2307064 7.02 204132 9702592 2638496 7.78 3469352 8565544 189580 11:20:01 14879764 28727860 3509756 10.68 405396 12950912 2791764 8.23 4640316 12057372 155136 11:30:05 14804288 31462284 745092 2.27 575732 15291000 1418044 4.18 5808196 10647040 28076 Average: 16583984 30054844 2187304 6.66 395087 12648168 2282768 6.73 4639288 10423319 124264 11:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:05 lo 0.42 0.42 0.08 0.08 0.00 0.00 0.00 0.00 11:10:05 ens3 111.29 86.38 1449.38 774.85 0.00 0.00 0.00 0.00 11:10:05 docker0 8.21 11.63 0.72 198.68 0.00 0.00 0.00 0.00 11:10:05 veth30466f7 2.31 3.51 0.16 39.96 0.00 0.00 0.00 0.00 11:20:01 lo 1.08 1.08 0.18 0.18 0.00 0.00 0.00 0.00 11:20:01 ens3 109.83 83.14 1398.46 411.09 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 0.19 0.19 0.03 0.03 0.00 0.00 0.00 0.00 11:30:05 ens3 50.51 38.70 341.38 395.92 0.00 0.00 0.00 0.00 11:30:05 docker0 15.39 20.06 2.42 138.81 0.00 0.00 0.00 0.00 Average: lo 0.56 0.56 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 90.39 69.29 1060.39 527.02 0.00 0.00 0.00 0.00 Average: docker0 7.90 10.61 1.05 112.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1440) 03/04/26 _x86_64_ (8 CPU) 10:56:02 LINUX RESTART (8 CPU) 11:00:06 CPU %user %nice %system %iowait %steal %idle 11:10:05 all 11.59 0.00 1.73 6.94 0.06 79.67 11:10:05 0 17.05 0.02 2.34 9.55 0.07 70.96 11:10:05 1 14.81 0.00 1.90 4.45 0.07 78.78 11:10:05 2 10.87 0.00 1.89 9.52 0.06 77.66 11:10:05 3 10.64 0.00 1.85 9.97 0.07 77.47 11:10:05 4 12.39 0.00 1.72 3.58 0.06 82.26 11:10:05 5 8.01 0.00 1.26 10.90 0.06 79.77 11:10:05 6 9.98 0.00 1.45 3.28 0.05 85.24 11:10:05 7 8.95 0.00 1.44 4.31 0.07 85.23 11:20:01 all 9.76 0.00 1.52 7.88 0.06 80.77 11:20:01 0 12.26 0.00 1.30 3.78 0.08 82.59 11:20:01 1 13.25 0.00 1.66 5.46 0.07 79.57 11:20:01 2 11.05 0.00 1.55 7.14 0.07 80.18 11:20:01 3 7.82 0.00 1.46 2.59 0.07 88.06 11:20:01 4 8.45 0.00 2.22 6.78 0.06 82.50 11:20:01 5 13.46 0.00 1.60 5.95 0.06 78.93 11:20:01 6 5.55 0.00 1.08 19.22 0.05 74.10 11:20:01 7 6.27 0.00 1.31 12.13 0.06 80.24 11:30:05 all 4.81 0.00 1.67 6.93 0.05 86.54 11:30:05 0 6.53 0.00 1.67 4.44 0.06 87.30 11:30:05 1 3.68 0.00 1.91 6.56 0.05 87.79 11:30:05 2 4.20 0.00 1.90 19.12 0.05 74.73 11:30:05 3 4.72 0.00 1.32 4.51 0.04 89.41 11:30:05 4 5.84 0.00 1.71 6.72 0.05 85.68 11:30:05 5 3.54 0.00 1.54 4.57 0.04 90.31 11:30:05 6 5.36 0.00 1.71 7.68 0.06 85.20 11:30:05 7 4.64 0.00 1.57 1.85 0.05 91.88 Average: all 8.71 0.00 1.64 7.25 0.06 82.34 Average: 0 11.93 0.01 1.77 5.92 0.07 80.31 Average: 1 10.56 0.00 1.82 5.49 0.06 82.07 Average: 2 8.69 0.00 1.78 11.95 0.06 77.51 Average: 3 7.72 0.00 1.54 5.69 0.06 84.99 Average: 4 8.88 0.00 1.88 5.69 0.06 83.49 Average: 5 8.31 0.00 1.47 7.13 0.05 83.03 Average: 6 6.96 0.00 1.41 10.05 0.05 81.53 Average: 7 6.61 0.00 1.44 6.08 0.06 85.81