---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17444 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 61G 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 693 11209 3 4086 14953 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:23:1c:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80544sec preferred_lft 80544sec inet6 fe80::f816:3eff:fe23:1c09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:24:90:b1:d5:f2 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::6024:90ff:feb1:d5f2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-17444) 05/21/26 _x86_64_ (4 CPU) 15:28:59 LINUX RESTART (4 CPU) 15:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 127.70 8.84 113.23 5.63 821.00 39107.56 11686.81 15:50:01 55.83 23.38 30.72 1.73 330.81 1708.52 1541.25 16:00:12 11.26 0.22 10.40 0.64 11.70 355.87 1476.77 16:10:01 10.80 0.05 10.22 0.53 1.85 597.16 143.37 16:20:01 16.08 0.02 15.35 0.70 0.67 512.28 737.92 16:30:12 7.52 0.01 7.22 0.29 0.80 221.85 111.79 16:40:01 5.72 0.21 5.31 0.21 7.34 162.34 114.46 16:50:01 21.03 0.06 5.40 15.57 1.28 162.75 210329.39 17:00:12 5.41 0.01 5.23 0.17 0.80 156.99 41.90 Average: 28.83 3.63 22.38 2.82 129.31 4710.03 25071.15 15:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 155076 9231644 6687908 40.85 259344 8579176 8506280 48.83 2123476 13294932 3840 15:50:01 8681008 11616368 4323132 26.40 264444 2709624 5533324 31.76 2006528 5185996 4224 16:00:12 2954992 5918552 10018540 61.19 265944 2736056 10875912 62.43 2018520 10877788 20 16:10:01 8476152 11558100 4383164 26.77 270504 2847792 5174852 29.70 2067704 5326620 272 16:20:01 8165724 11325324 4615768 28.19 273348 2922556 5339104 30.65 2075292 5632940 80 16:30:12 8297644 11490280 4450704 27.18 274384 2954544 5240308 30.08 2077740 5486176 60 16:40:01 6699968 9917364 6022860 36.79 275320 2978356 6807168 39.07 2081072 7084508 300 16:50:01 6776048 10022976 5917344 36.14 277816 3005380 6699932 38.46 2091548 6995404 276 17:00:12 8216968 11488256 4452884 27.20 278576 3028984 5215056 29.93 2094272 5553004 60 Average: 6491509 10285429 5652478 34.52 271076 3529163 6599104 37.88 2070684 7270819 1015 15:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 3.95 3.95 3.93 3.93 0.00 0.00 0.00 0.00 15:40:01 ens3 136.59 107.44 1975.23 11.82 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 31.35 31.35 21.99 21.99 0.00 0.00 0.00 0.00 15:50:01 ens3 1.96 1.69 0.51 1.27 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:12 lo 36.63 36.63 16.09 16.09 0.00 0.00 0.00 0.00 16:00:12 ens3 1.01 0.89 0.22 0.19 0.00 0.00 0.00 0.00 16:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 14.53 14.53 6.28 6.28 0.00 0.00 0.00 0.00 16:10:01 ens3 0.78 0.70 0.21 0.18 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 17.10 17.10 8.40 8.40 0.00 0.00 0.00 0.00 16:20:01 ens3 0.88 0.69 0.20 0.15 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:12 lo 18.37 18.37 9.18 9.18 0.00 0.00 0.00 0.00 16:30:12 ens3 0.71 0.57 0.17 0.14 0.00 0.00 0.00 0.00 16:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 27.40 27.40 11.17 11.17 0.00 0.00 0.00 0.00 16:40:01 ens3 0.64 0.47 0.17 0.11 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 19.59 19.59 10.60 10.60 0.00 0.00 0.00 0.00 16:50:01 ens3 0.63 0.74 0.14 0.12 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:12 lo 11.56 11.56 6.00 6.00 0.00 0.00 0.00 0.00 17:00:12 ens3 0.46 0.39 0.12 0.10 0.00 0.00 0.00 0.00 17:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.09 20.09 10.42 10.42 0.00 0.00 0.00 0.00 Average: ens3 15.73 12.44 216.33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-17444) 05/21/26 _x86_64_ (4 CPU) 15:28:59 LINUX RESTART (4 CPU) 15:30:10 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 50.28 0.00 2.65 0.50 0.09 46.47 15:40:01 0 51.85 0.00 2.61 0.34 0.08 45.12 15:40:01 1 46.79 0.00 2.71 0.83 0.09 49.58 15:40:01 2 48.59 0.00 2.45 0.39 0.09 48.49 15:40:01 3 53.91 0.00 2.85 0.45 0.09 42.70 15:50:01 all 52.11 0.00 1.95 0.23 0.11 45.60 15:50:01 0 52.70 0.00 1.70 0.14 0.10 45.36 15:50:01 1 53.12 0.00 2.02 0.20 0.11 44.55 15:50:01 2 52.55 0.00 1.97 0.31 0.11 45.05 15:50:01 3 50.08 0.00 2.11 0.28 0.10 47.43 16:00:12 all 31.00 0.00 1.15 0.36 0.10 67.39 16:00:12 0 31.20 0.00 1.23 0.03 0.10 67.44 16:00:12 1 30.77 0.00 1.19 0.68 0.10 67.26 16:00:12 2 31.12 0.00 1.17 0.70 0.10 66.91 16:00:12 3 30.93 0.00 1.02 0.01 0.10 67.94 16:10:01 all 18.47 0.00 0.81 0.04 0.08 80.61 16:10:01 0 18.90 0.00 0.69 0.02 0.07 80.31 16:10:01 1 17.81 0.00 0.83 0.03 0.08 81.26 16:10:01 2 18.18 0.00 0.72 0.03 0.08 80.99 16:10:01 3 18.98 0.00 0.99 0.07 0.08 79.88 16:20:01 all 26.55 0.00 0.85 0.04 0.08 72.48 16:20:01 0 26.03 0.00 0.82 0.03 0.08 73.05 16:20:01 1 26.53 0.00 0.89 0.07 0.09 72.43 16:20:01 2 27.05 0.00 0.86 0.06 0.08 71.95 16:20:01 3 26.59 0.00 0.83 0.02 0.08 72.49 16:30:12 all 13.90 0.00 0.50 0.03 0.08 85.50 16:30:12 0 14.22 0.00 0.53 0.01 0.07 85.17 16:30:12 1 13.76 0.00 0.48 0.03 0.08 85.65 16:30:12 2 14.00 0.00 0.53 0.05 0.08 85.34 16:30:12 3 13.63 0.00 0.45 0.03 0.07 85.82 16:40:01 all 10.76 0.00 0.51 0.03 0.08 88.62 16:40:01 0 10.81 0.00 0.46 0.04 0.07 88.62 16:40:01 1 10.72 0.00 0.57 0.05 0.08 88.58 16:40:01 2 11.00 0.00 0.56 0.01 0.08 88.35 16:40:01 3 10.50 0.00 0.46 0.04 0.07 88.93 16:50:01 all 10.30 0.00 0.53 0.04 0.09 89.05 16:50:01 0 9.79 0.00 0.43 0.04 0.09 89.66 16:50:01 1 10.74 0.00 0.55 0.02 0.09 88.59 16:50:01 2 10.49 0.00 0.60 0.01 0.10 88.81 16:50:01 3 10.16 0.00 0.53 0.08 0.07 89.16 17:00:12 all 7.19 0.00 0.42 0.02 0.09 92.28 17:00:12 0 6.86 0.00 0.41 0.00 0.09 92.63 17:00:12 1 7.21 0.00 0.38 0.02 0.09 92.30 17:00:12 2 7.31 0.00 0.51 0.04 0.09 92.05 17:00:12 3 7.38 0.00 0.39 0.02 0.10 92.12 Average: all 24.45 0.00 1.04 0.14 0.09 74.28 Average: 0 24.64 0.00 0.98 0.07 0.08 74.22 Average: 1 24.12 0.00 1.07 0.21 0.09 74.51 Average: 2 24.43 0.00 1.04 0.18 0.09 74.27 Average: 3 24.63 0.00 1.07 0.11 0.08 74.11