---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25851 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 685 12292 3 3011 14961 Swap: 1023 46 977 ---> 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:00:3c:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79290sec preferred_lft 79290sec inet6 fe80::f816:3eff:fe00:3cea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:56:df:65:8a:9d 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::cc56:dfff:fe65:8a9d/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-25851) 06/08/26 _x86_64_ (4 CPU) 10:31:30 LINUX RESTART (4 CPU) 10:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:05 80.23 26.75 50.54 2.94 1205.98 5798.02 2933.31 11:00:01 18.38 5.07 12.60 0.71 107.05 355.93 520.67 11:10:05 8.35 0.59 7.38 0.38 18.99 260.01 241.87 11:20:05 11.16 0.31 10.34 0.52 7.36 556.63 839.12 11:30:01 34.35 0.42 17.53 16.39 8.97 532.30 209716.30 11:40:05 7.54 0.41 6.84 0.29 13.88 184.32 154.24 11:50:05 7.62 0.19 7.13 0.29 7.95 232.95 156.55 12:00:01 6.04 0.32 5.52 0.20 9.08 169.57 156.76 12:10:05 5.43 0.24 5.02 0.18 4.13 159.23 231.81 12:20:05 9.90 0.75 8.74 0.42 25.51 601.60 104.13 Average: 18.72 3.44 13.06 2.22 138.07 871.97 21410.81 10:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:05 7519112 9187788 6752292 41.24 258220 1541620 7649456 43.91 1027472 7408420 3008 11:00:01 5352052 7064508 8876500 54.21 260672 1582596 9557692 54.86 1090308 9500800 400 11:10:05 8120652 9857612 6086176 37.17 262180 1605644 7048276 40.46 1100992 6738684 736 11:20:05 9879052 11728528 4216520 25.75 266860 1709808 5266932 30.23 1152624 4933032 444 11:30:01 9529896 11462796 4482016 27.37 271672 1788348 5339676 30.65 1167788 5253552 288 11:40:05 11571132 13536528 2409504 14.72 272372 1820108 3619404 20.78 1174092 3221872 11288 11:50:05 7998776 9988216 5955768 36.38 273544 1842976 6792028 38.99 1179024 6771276 300 12:00:01 7907788 9920796 6023100 36.79 274244 1865852 6835288 39.23 1185132 6866944 104 12:10:05 9456548 11493892 4450996 27.18 275084 1889320 5281048 30.31 1188852 5316504 244 12:20:05 9082348 11263228 4681328 28.59 278944 2022748 5303916 30.44 1208604 5643396 464 Average: 8641736 10550389 5393420 32.94 269379 1766902 6269372 35.99 1147489 6165448 1728 10:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:05 lo 29.07 29.07 21.73 21.73 0.00 0.00 0.00 0.00 10:50:05 ens3 2.51 2.51 0.65 1.27 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 49.95 49.95 20.68 20.68 0.00 0.00 0.00 0.00 11:00:01 ens3 1.56 1.37 0.35 0.41 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 10.10 10.10 5.76 5.76 0.00 0.00 0.00 0.00 11:10:05 ens3 0.64 0.39 0.16 0.11 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:05 lo 8.05 8.05 3.65 3.65 0.00 0.00 0.00 0.00 11:20:05 ens3 0.82 0.59 0.26 0.19 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 15.37 15.37 8.29 8.29 0.00 0.00 0.00 0.00 11:30:01 ens3 0.91 0.74 0.20 0.16 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:05 lo 17.76 17.76 8.52 8.52 0.00 0.00 0.00 0.00 11:40:05 ens3 0.83 0.59 0.20 0.15 0.00 0.00 0.00 0.00 11:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:05 lo 29.63 29.63 11.74 11.74 0.00 0.00 0.00 0.00 11:50:05 ens3 0.56 0.44 0.11 0.09 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 19.48 19.48 10.40 10.40 0.00 0.00 0.00 0.00 12:00:01 ens3 0.68 0.57 0.17 0.13 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 11.78 11.78 6.75 6.75 0.00 0.00 0.00 0.00 12:10:05 ens3 0.48 0.36 0.10 0.07 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 20.36 20.36 9.86 9.86 0.00 0.00 0.00 0.00 12:20:05 ens3 0.96 0.83 0.25 0.21 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.11 21.11 10.70 10.70 0.00 0.00 0.00 0.00 Average: ens3 0.99 0.83 0.24 0.28 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-25851) 06/08/26 _x86_64_ (4 CPU) 10:31:30 LINUX RESTART (4 CPU) 10:40:20 CPU %user %nice %system %iowait %steal %idle 10:50:05 all 64.86 0.00 2.42 0.40 0.12 32.20 10:50:05 0 65.46 0.00 2.39 0.38 0.12 31.65 10:50:05 1 63.43 0.00 2.60 0.40 0.12 33.46 10:50:05 2 65.55 0.00 2.30 0.44 0.12 31.59 10:50:05 3 64.99 0.00 2.40 0.38 0.12 32.11 11:00:01 all 31.90 0.00 1.31 0.07 0.10 66.62 11:00:01 0 31.90 0.00 1.41 0.05 0.10 66.53 11:00:01 1 32.17 0.00 1.23 0.11 0.10 66.39 11:00:01 2 32.29 0.00 1.33 0.03 0.10 66.25 11:00:01 3 31.24 0.00 1.25 0.08 0.10 67.32 11:10:05 all 16.67 0.00 0.70 0.40 0.08 82.16 11:10:05 0 16.64 0.00 0.63 0.01 0.07 82.64 11:10:05 1 17.07 0.00 0.69 0.53 0.08 81.64 11:10:05 2 15.95 0.00 0.69 0.55 0.08 82.73 11:10:05 3 17.00 0.00 0.78 0.51 0.08 81.64 11:20:05 all 15.52 0.00 0.66 0.04 0.07 83.70 11:20:05 0 16.21 0.00 0.65 0.09 0.07 82.99 11:20:05 1 15.26 0.00 0.65 0.04 0.08 83.97 11:20:05 2 16.29 0.00 0.73 0.02 0.07 82.88 11:20:05 3 14.33 0.00 0.61 0.03 0.08 84.95 11:30:01 all 26.45 0.00 0.90 0.07 0.08 72.50 11:30:01 0 26.19 0.00 0.89 0.08 0.08 72.75 11:30:01 1 26.87 0.00 0.87 0.11 0.08 72.07 11:30:01 2 26.17 0.00 0.86 0.05 0.08 72.83 11:30:01 3 26.58 0.00 0.95 0.03 0.08 72.36 11:40:05 all 11.30 0.00 0.47 0.02 0.07 88.14 11:40:05 0 11.57 0.00 0.42 0.03 0.06 87.91 11:40:05 1 11.00 0.00 0.49 0.04 0.07 88.40 11:40:05 2 11.18 0.00 0.51 0.02 0.06 88.22 11:40:05 3 11.44 0.00 0.44 0.01 0.07 88.03 11:50:05 all 13.51 0.00 0.55 0.03 0.07 85.84 11:50:05 0 13.73 0.00 0.56 0.04 0.07 85.60 11:50:05 1 13.37 0.00 0.59 0.02 0.08 85.94 11:50:05 2 13.67 0.00 0.49 0.02 0.07 85.74 11:50:05 3 13.27 0.00 0.55 0.05 0.07 86.06 12:00:01 all 10.94 0.00 0.51 0.02 0.07 88.46 12:00:01 0 11.17 0.00 0.56 0.04 0.06 88.17 12:00:01 1 11.23 0.00 0.51 0.03 0.07 88.16 12:00:01 2 10.60 0.00 0.51 0.01 0.07 88.82 12:00:01 3 10.76 0.00 0.46 0.02 0.06 88.70 12:10:05 all 7.49 0.00 0.52 0.03 0.06 91.90 12:10:05 0 7.39 0.00 0.51 0.01 0.06 92.03 12:10:05 1 7.56 0.00 0.52 0.03 0.07 91.82 12:10:05 2 7.82 0.00 0.54 0.03 0.07 91.54 12:10:05 3 7.19 0.00 0.51 0.04 0.06 92.20 12:20:05 all 14.60 0.00 0.58 0.05 0.07 84.70 12:20:05 0 14.53 0.00 0.59 0.05 0.07 84.76 12:20:05 1 16.02 0.00 0.57 0.04 0.08 83.29 12:20:05 2 13.86 0.00 0.61 0.07 0.08 85.39 12:20:05 3 13.99 0.00 0.56 0.04 0.07 85.34 Average: all 21.18 0.00 0.86 0.11 0.08 77.78 Average: 0 21.33 0.00 0.86 0.08 0.08 77.66 Average: 1 21.25 0.00 0.87 0.13 0.08 77.66 Average: 2 21.18 0.00 0.85 0.12 0.08 77.77 Average: 3 20.94 0.00 0.85 0.12 0.08 78.02