---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-11327 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): 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: 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: 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 18G 60G 23% / 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 703 11178 4 4108 14943 Swap: 1023 2 1021 ---> 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:7e:63:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79335sec preferred_lft 79335sec inet6 fe80::f816:3eff:fe7e:6358/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:73:20:11:7b:e9 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::f473:20ff:fe11:7be9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-11327) 05/06/26 _x86_64_ (4 CPU) 07:50:20 LINUX RESTART (4 CPU) 08:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 76.44 24.54 49.53 2.37 400.38 4612.90 2929.65 08:20:06 9.12 0.08 8.57 0.47 5.07 228.03 320.55 08:30:06 7.38 0.05 6.93 0.39 5.31 259.81 720.07 08:40:01 5.41 0.03 5.13 0.25 0.35 395.75 273.83 08:50:06 19.93 0.02 19.03 0.88 0.75 570.06 745.63 09:00:06 5.86 0.00 5.55 0.31 0.28 180.17 86.13 09:10:01 5.74 0.01 5.50 0.23 0.56 149.45 167.20 09:20:06 22.33 0.13 6.79 15.42 2.94 246.60 207707.25 09:30:06 5.70 0.00 5.53 0.17 0.28 94.28 78.20 09:40:01 9.92 0.02 9.38 0.52 0.91 645.17 363.33 Average: 16.77 2.47 12.18 2.11 41.44 735.48 21512.18 08:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 3192212 6079280 9854616 60.19 267156 2646444 10921468 62.69 2020520 10620772 2376 08:20:06 8243880 11153416 4783428 29.22 268768 2667152 5504276 31.59 2032296 5541256 5640 08:30:06 6848496 9775104 6163248 37.64 269680 2683324 6922104 39.73 2038228 6967120 468 08:40:01 11609348 14621796 1318504 8.05 273436 2765492 2095180 12.03 2053952 2198792 240 08:50:06 11432396 14538144 1402352 8.56 276400 2855860 2832276 16.26 2079428 2361516 12732 09:00:06 8205848 11327992 4611192 28.16 277524 2871132 5313808 30.50 2081052 5566236 380 09:10:01 8312304 11453572 4485604 27.40 278204 2889588 5198912 29.84 2082584 5461416 248 09:20:06 10829084 14014168 1926500 11.77 279304 2932292 2859964 16.42 2093184 2946452 796 09:30:06 11046760 14255240 1685796 10.30 279988 2955004 2741104 15.73 2095712 2729592 21336 09:40:01 7991368 11323244 4616176 28.19 284296 3074088 5301688 30.43 2110860 5758716 228 Average: 8771170 11854196 4084742 24.95 275476 2834038 4969078 28.52 2068782 5015187 4444 08:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 43.92 43.92 26.31 26.31 0.00 0.00 0.00 0.00 08:10:01 ens3 2.23 2.02 0.56 0.48 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:06 lo 31.08 31.08 11.74 11.74 0.00 0.00 0.00 0.00 08:20:06 ens3 2.72 1.35 0.68 1.42 0.00 0.00 0.00 0.00 08:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:06 lo 8.45 8.45 5.45 5.45 0.00 0.00 0.00 0.00 08:30:06 ens3 0.66 0.37 0.12 0.08 0.00 0.00 0.00 0.00 08:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 5.70 5.70 2.67 2.67 0.00 0.00 0.00 0.00 08:40:01 ens3 0.77 0.44 0.24 0.17 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:06 lo 12.82 12.82 7.18 7.18 0.00 0.00 0.00 0.00 08:50:06 ens3 1.11 0.78 0.24 0.19 0.00 0.00 0.00 0.00 08:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:06 lo 19.78 19.78 9.50 9.50 0.00 0.00 0.00 0.00 09:00:06 ens3 0.85 0.64 0.21 0.16 0.00 0.00 0.00 0.00 09:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 26.81 26.81 9.16 9.16 0.00 0.00 0.00 0.00 09:10:01 ens3 0.46 0.32 0.09 0.07 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:06 lo 16.72 16.72 8.47 8.47 0.00 0.00 0.00 0.00 09:20:06 ens3 0.91 0.57 0.24 0.17 0.00 0.00 0.00 0.00 09:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:06 lo 17.87 17.87 10.54 10.54 0.00 0.00 0.00 0.00 09:30:06 ens3 0.65 0.56 0.13 0.11 0.00 0.00 0.00 0.00 09:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 18.41 18.41 10.23 10.23 0.00 0.00 0.00 0.00 09:40:01 ens3 6.12 4.22 3.81 2.64 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.15 20.15 10.12 10.12 0.00 0.00 0.00 0.00 Average: ens3 1.65 1.12 0.63 0.55 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-4c-16g-11327) 05/06/26 _x86_64_ (4 CPU) 07:50:20 LINUX RESTART (4 CPU) 08:00:06 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 65.36 0.00 2.44 0.14 0.13 31.94 08:10:01 0 65.59 0.00 2.41 0.16 0.13 31.71 08:10:01 1 65.48 0.00 2.46 0.08 0.12 31.85 08:10:01 2 64.76 0.00 2.43 0.11 0.13 32.57 08:10:01 3 65.60 0.00 2.45 0.20 0.12 31.62 08:20:06 all 18.08 0.00 0.97 0.04 0.09 80.83 08:20:06 0 18.02 0.00 1.01 0.04 0.08 80.85 08:20:06 1 18.14 0.00 0.99 0.03 0.08 80.75 08:20:06 2 18.24 0.00 0.97 0.01 0.09 80.69 08:20:06 3 17.91 0.00 0.92 0.07 0.09 81.02 08:30:06 all 16.65 0.00 0.63 0.03 0.08 82.61 08:30:06 0 16.94 0.00 0.71 0.04 0.07 82.23 08:30:06 1 16.72 0.00 0.61 0.01 0.08 82.58 08:30:06 2 16.13 0.00 0.56 0.03 0.08 83.20 08:30:06 3 16.82 0.00 0.64 0.02 0.07 82.44 08:40:01 all 6.41 0.00 0.35 0.02 0.07 93.15 08:40:01 0 6.03 0.00 0.42 0.01 0.06 93.49 08:40:01 1 7.09 0.00 0.35 0.01 0.07 92.48 08:40:01 2 6.49 0.00 0.34 0.06 0.07 93.04 08:40:01 3 6.05 0.00 0.27 0.02 0.07 93.60 08:50:06 all 29.79 0.00 0.94 0.06 0.09 69.13 08:50:06 0 29.47 0.00 0.88 0.03 0.09 69.54 08:50:06 1 30.16 0.00 1.01 0.04 0.09 68.71 08:50:06 2 29.52 0.00 0.86 0.05 0.08 69.48 08:50:06 3 30.02 0.00 1.00 0.10 0.09 68.79 09:00:06 all 11.57 0.00 0.49 0.02 0.08 87.84 09:00:06 0 11.55 0.00 0.47 0.01 0.08 87.89 09:00:06 1 11.31 0.00 0.44 0.01 0.08 88.17 09:00:06 2 11.86 0.00 0.56 0.02 0.08 87.49 09:00:06 3 11.55 0.00 0.51 0.04 0.08 87.82 09:10:01 all 8.54 0.00 0.44 0.02 0.08 90.92 09:10:01 0 8.20 0.00 0.51 0.02 0.08 91.20 09:10:01 1 8.45 0.00 0.39 0.02 0.08 91.05 09:10:01 2 8.64 0.00 0.49 0.01 0.08 90.78 09:10:01 3 8.87 0.00 0.37 0.03 0.08 90.65 09:20:06 all 11.50 0.00 0.46 0.05 0.09 87.91 09:20:06 0 11.33 0.00 0.42 0.02 0.08 88.15 09:20:06 1 11.10 0.00 0.54 0.12 0.09 88.14 09:20:06 2 11.73 0.00 0.49 0.02 0.09 87.67 09:20:06 3 11.82 0.00 0.40 0.02 0.09 87.67 09:30:06 all 9.55 0.00 0.48 0.03 0.08 89.86 09:30:06 0 9.69 0.00 0.54 0.04 0.08 89.66 09:30:06 1 9.49 0.00 0.45 0.03 0.08 89.95 09:30:06 2 9.75 0.00 0.50 0.00 0.08 89.67 09:30:06 3 9.28 0.00 0.44 0.04 0.08 90.17 09:40:01 all 17.27 0.00 0.62 0.05 0.09 81.97 09:40:01 0 17.07 0.00 0.68 0.02 0.09 82.14 09:40:01 1 17.33 0.00 0.64 0.05 0.09 81.89 09:40:01 2 18.24 0.00 0.54 0.01 0.09 81.12 09:40:01 3 16.44 0.00 0.62 0.10 0.09 82.75 Average: all 19.45 0.00 0.78 0.04 0.09 79.64 Average: 0 19.37 0.00 0.80 0.04 0.08 79.71 Average: 1 19.51 0.00 0.79 0.04 0.09 79.57 Average: 2 19.51 0.00 0.77 0.03 0.09 79.59 Average: 3 19.42 0.00 0.76 0.06 0.08 79.67