---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23302 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 610 8395 4 6983 15036 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:d0:2f:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80676sec preferred_lft 80676sec inet6 fe80::f816:3eff:fed0:2f4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:81:97:43:a3:0e 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23302) 01/09/26 _x86_64_ (4 CPU) 08:07:26 LINUX RESTART (4 CPU) 08:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:11 18.30 0.57 4.25 13.48 608.73 663.45 246987.47 08:30:01 1.25 0.01 1.24 0.00 0.30 14.42 0.00 08:40:11 1.22 0.00 1.22 0.00 0.00 14.10 0.00 08:50:09 1.11 0.00 1.11 0.00 0.00 12.73 0.00 09:00:01 1.30 0.00 1.30 0.00 0.00 14.24 0.00 09:10:11 1.26 0.00 1.26 0.00 0.00 14.10 0.00 09:20:11 1.35 0.00 1.35 0.00 0.00 15.19 0.00 09:30:01 7.15 1.94 5.16 0.05 125.29 996.79 268.49 09:40:11 18.85 0.96 17.19 0.70 39.70 13575.90 18530.62 Average: 5.78 0.39 3.81 1.58 85.84 1725.64 29565.69 08:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:11 13026888 15557824 426428 2.60 90560 2639032 978664 5.62 460712 2570148 16 08:30:01 13025152 15556588 427716 2.61 90852 2639244 978664 5.62 461008 2571412 140 08:40:11 13023388 15555120 429260 2.62 91136 2639256 978792 5.62 461292 2574256 20 08:50:09 13021880 15554008 430320 2.63 91396 2639396 978792 5.62 461552 2575368 216 09:00:01 13021376 15553820 430532 2.63 91696 2639400 979576 5.62 461852 2576672 208 09:10:11 13020368 15553272 431004 2.63 92016 2639540 978792 5.62 462176 2577396 40 09:20:11 13018352 15551660 432736 2.64 92412 2639548 978856 5.62 462568 2581164 44 09:30:01 11247348 14213232 1751272 10.70 111428 3033032 2493616 14.31 605408 4188216 125644 09:40:11 8656560 15437116 510312 3.12 138832 6682548 1050448 6.03 1248632 5973636 621416 Average: 12340146 15392516 585509 3.58 98925 3132333 1155133 6.63 565022 3132030 83083 08:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:11 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 08:20:11 ens3 22.03 13.31 186.49 0.91 0.00 0.00 0.00 0.00 08:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:30:01 ens3 0.38 0.14 0.11 0.07 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:11 ens3 0.59 0.18 0.17 0.10 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 08:50:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:09 ens3 0.62 0.10 0.09 0.04 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:01 ens3 0.29 0.08 0.05 0.02 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:11 ens3 0.38 0.10 0.08 0.04 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 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:11 ens3 0.65 0.23 0.21 0.14 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 09:30:01 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 09:30:01 ens3 35.73 29.66 371.78 5.76 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:11 lo 134.50 134.50 122.49 122.49 0.00 0.00 0.00 0.00 09:40:11 ens3 49.82 39.43 561.63 6.81 0.00 0.00 0.00 0.00 09:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.30 15.30 13.85 13.85 0.00 0.00 0.00 0.00 Average: ens3 12.30 9.27 124.87 1.54 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23302) 01/09/26 _x86_64_ (4 CPU) 08:07:26 LINUX RESTART (4 CPU) 08:10:11 CPU %user %nice %system %iowait %steal %idle 08:20:11 all 0.42 0.00 0.15 0.16 0.02 99.25 08:20:11 0 0.49 0.00 0.16 0.09 0.02 99.24 08:20:11 1 0.11 0.00 0.11 0.06 0.02 99.71 08:20:11 2 0.45 0.00 0.15 0.22 0.03 99.15 08:20:11 3 0.64 0.00 0.17 0.26 0.02 98.90 08:30:01 all 0.05 0.00 0.02 0.01 0.02 99.90 08:30:01 0 0.02 0.00 0.02 0.00 0.01 99.95 08:30:01 1 0.05 0.00 0.04 0.01 0.03 99.87 08:30:01 2 0.02 0.00 0.02 0.01 0.02 99.93 08:30:01 3 0.10 0.00 0.02 0.01 0.02 99.86 08:40:11 all 0.09 0.00 0.02 0.01 0.02 99.87 08:40:11 0 0.01 0.00 0.02 0.01 0.01 99.95 08:40:11 1 0.03 0.00 0.03 0.02 0.02 99.90 08:40:11 2 0.03 0.00 0.02 0.00 0.02 99.92 08:40:11 3 0.26 0.00 0.02 0.00 0.03 99.69 08:50:09 all 0.12 0.00 0.02 0.01 0.02 99.83 08:50:09 0 0.02 0.00 0.03 0.00 0.03 99.93 08:50:09 1 0.02 0.00 0.02 0.02 0.01 99.94 08:50:09 2 0.43 0.00 0.03 0.00 0.02 99.52 08:50:09 3 0.02 0.00 0.02 0.01 0.01 99.94 09:00:01 all 0.13 0.00 0.02 0.01 0.02 99.81 09:00:01 0 0.02 0.00 0.02 0.00 0.02 99.95 09:00:01 1 0.27 0.00 0.04 0.04 0.03 99.63 09:00:01 2 0.23 0.00 0.02 0.00 0.02 99.73 09:00:01 3 0.02 0.00 0.02 0.01 0.02 99.94 09:10:11 all 0.25 0.00 0.02 0.01 0.02 99.71 09:10:11 0 0.01 0.00 0.02 0.02 0.02 99.94 09:10:11 1 0.36 0.00 0.02 0.00 0.02 99.60 09:10:11 2 0.59 0.00 0.01 0.00 0.02 99.38 09:10:11 3 0.02 0.00 0.03 0.00 0.02 99.92 09:20:11 all 0.15 0.00 0.02 0.01 0.02 99.80 09:20:11 0 0.02 0.00 0.03 0.02 0.02 99.90 09:20:11 1 0.16 0.00 0.01 0.00 0.01 99.82 09:20:11 2 0.41 0.00 0.03 0.00 0.03 99.53 09:20:11 3 0.02 0.00 0.02 0.01 0.01 99.94 09:30:01 all 7.91 0.00 0.33 0.55 0.03 91.18 09:30:01 0 8.62 0.00 0.21 1.43 0.03 89.72 09:30:01 1 7.75 0.00 0.42 0.23 0.03 91.56 09:30:01 2 8.26 0.00 0.38 0.21 0.02 91.14 09:30:01 3 7.02 0.00 0.32 0.33 0.02 92.31 09:40:11 all 31.07 0.00 1.15 6.76 0.09 60.93 09:40:11 0 30.00 0.00 1.29 10.81 0.09 57.82 09:40:11 1 32.25 0.00 0.98 4.50 0.08 62.19 09:40:11 2 28.90 0.00 1.18 8.52 0.11 61.30 09:40:11 3 33.13 0.00 1.16 3.21 0.09 62.42 Average: all 4.49 0.00 0.20 0.84 0.03 94.44 Average: 0 4.38 0.00 0.20 1.39 0.03 94.00 Average: 1 4.59 0.00 0.18 0.55 0.03 94.65 Average: 2 4.39 0.00 0.21 1.01 0.03 94.37 Average: 3 4.62 0.00 0.20 0.43 0.03 94.73