---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23955 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: 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 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 563 13082 4 2342 15090 Swap: 1023 180 843 ---> 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:0e:2e:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79498sec preferred_lft 79498sec inet6 fe80::f816:3eff:fe0e:2e37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:0f:25:f3:92:56 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::bc0f:25ff:fef3:9256/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23955) 06/05/26 _x86_64_ (4 CPU) 10:11:52 LINUX RESTART (4 CPU) 10:20:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:06 87.80 32.05 52.53 3.22 1393.20 6409.38 3082.06 10:40:07 26.63 11.96 13.91 0.76 239.43 389.84 537.22 10:50:07 8.86 1.52 6.95 0.39 58.47 246.15 422.08 11:00:07 15.71 0.79 14.24 0.68 31.52 698.80 664.97 11:10:07 28.19 0.34 11.56 16.28 16.62 359.53 211240.47 11:20:07 9.13 1.69 7.19 0.24 51.79 187.60 89.39 11:30:00 6.61 0.34 5.97 0.29 14.45 209.05 92.95 11:40:01 6.22 0.44 5.58 0.20 18.89 167.86 83.53 11:50:01 9.58 0.54 8.59 0.44 22.55 578.04 113.48 12:00:01 8.61 0.63 7.66 0.32 24.70 302.10 552.29 Average: 20.53 4.95 13.30 2.28 183.48 937.96 21763.55 10:20:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:06 8889168 9808228 6182112 37.76 70944 1062640 7340472 42.13 547144 6642028 2764 10:40:07 6436728 7442900 8547564 52.21 78004 1141496 9464776 54.33 675432 8945892 384 10:50:07 8874316 9911944 6081004 37.14 79868 1170780 7064280 40.55 697764 6485500 424 11:00:07 12755744 13930492 2060360 12.58 86816 1296632 3027520 17.38 762688 2556024 364 11:10:07 10499644 11734656 4254168 25.98 91860 1350992 5214276 29.93 778588 4797156 212 11:20:07 11774324 13041244 2948120 18.01 93112 1381316 4578532 26.28 796068 3523088 10520 11:30:00 8965000 10255372 5732016 35.01 94340 1403272 6675472 38.32 802796 6309160 284 11:40:01 8806936 10121332 5865684 35.83 95488 1425820 6822196 39.16 812324 6455088 216 11:50:01 10222220 11675972 4307312 26.31 100800 1555060 5294340 30.39 826608 5016924 1580 12:00:01 9378292 10885424 5096664 31.13 102392 1606108 6078852 34.89 852992 5835968 376 Average: 9660237 10880756 5107500 31.19 89362 1339412 6156072 35.34 755240 5656683 1712 10:20:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:06 lo 28.48 28.48 21.63 21.63 0.00 0.00 0.00 0.00 10:30:06 ens3 2.39 2.04 0.74 0.61 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 46.39 46.39 18.54 18.54 0.00 0.00 0.00 0.00 10:40:07 ens3 1.61 1.21 0.39 0.30 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:07 lo 13.21 13.21 7.71 7.71 0.00 0.00 0.00 0.00 10:50:07 ens3 1.23 0.71 0.36 0.26 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 12.47 12.47 6.17 6.17 0.00 0.00 0.00 0.00 11:00:07 ens3 1.88 0.95 0.58 0.40 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 11.89 11.89 6.28 6.28 0.00 0.00 0.00 0.00 11:10:07 ens3 0.83 0.52 0.16 0.12 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:07 lo 17.74 17.74 8.56 8.56 0.00 0.00 0.00 0.00 11:20:07 ens3 2.95 0.92 0.79 0.46 0.00 0.00 0.00 0.00 11:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 29.92 29.92 11.87 11.87 0.00 0.00 0.00 0.00 11:30:00 ens3 1.23 0.50 0.24 0.15 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 19.75 19.75 10.46 10.46 0.00 0.00 0.00 0.00 11:40:01 ens3 1.24 0.65 0.30 0.21 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 16.85 16.85 10.07 10.07 0.00 0.00 0.00 0.00 11:50:01 ens3 1.03 0.64 0.23 0.17 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 24.05 24.05 10.46 10.46 0.00 0.00 0.00 0.00 12:00:01 ens3 1.27 0.83 0.32 0.24 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 Average: lo 22.05 22.05 11.14 11.14 0.00 0.00 0.00 0.00 Average: ens3 1.56 0.89 0.41 0.29 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-23955) 06/05/26 _x86_64_ (4 CPU) 10:11:52 LINUX RESTART (4 CPU) 10:20:25 CPU %user %nice %system %iowait %steal %idle 10:30:06 all 63.77 0.00 2.36 0.29 0.12 33.46 10:30:06 0 63.99 0.00 2.39 0.15 0.11 33.35 10:30:06 1 64.29 0.00 2.28 0.30 0.11 33.02 10:30:06 2 63.53 0.00 2.49 0.50 0.12 33.36 10:30:06 3 63.26 0.00 2.29 0.21 0.12 34.12 10:40:07 all 32.12 0.00 1.34 0.11 0.10 66.33 10:40:07 0 32.26 0.00 1.29 0.14 0.10 66.20 10:40:07 1 32.27 0.00 1.43 0.13 0.10 66.07 10:40:07 2 32.30 0.00 1.32 0.07 0.11 66.21 10:40:07 3 31.65 0.00 1.32 0.12 0.10 66.82 10:50:07 all 16.60 0.00 0.63 0.04 0.09 82.64 10:50:07 0 16.83 0.00 0.58 0.03 0.09 82.48 10:50:07 1 16.47 0.00 0.65 0.02 0.09 82.76 10:50:07 2 16.72 0.00 0.62 0.03 0.09 82.53 10:50:07 3 16.37 0.00 0.67 0.09 0.10 82.77 11:00:07 all 21.88 0.00 0.82 0.07 0.09 77.14 11:00:07 0 20.78 0.00 0.83 0.10 0.09 78.21 11:00:07 1 22.49 0.00 0.97 0.05 0.09 76.40 11:00:07 2 21.43 0.00 0.71 0.04 0.10 77.72 11:00:07 3 22.81 0.00 0.77 0.09 0.09 76.23 11:10:07 all 18.89 0.00 0.72 0.09 0.09 80.22 11:10:07 0 18.58 0.00 0.72 0.04 0.09 80.57 11:10:07 1 19.39 0.00 0.77 0.12 0.09 79.63 11:10:07 2 18.84 0.00 0.64 0.13 0.09 80.30 11:10:07 3 18.73 0.00 0.73 0.09 0.08 80.37 11:20:07 all 11.06 0.00 0.42 0.05 0.09 88.39 11:20:07 0 10.83 0.00 0.49 0.10 0.09 88.49 11:20:07 1 11.28 0.00 0.36 0.03 0.09 88.25 11:20:07 2 10.86 0.00 0.45 0.04 0.09 88.56 11:20:07 3 11.26 0.00 0.37 0.04 0.09 88.24 11:30:00 all 13.27 0.00 0.48 0.07 0.09 86.09 11:30:00 0 13.07 0.00 0.48 0.08 0.08 86.29 11:30:00 1 13.28 0.00 0.46 0.03 0.09 86.13 11:30:00 2 13.66 0.00 0.46 0.07 0.09 85.72 11:30:00 3 13.08 0.00 0.52 0.09 0.09 86.22 11:40:01 all 10.70 0.00 0.41 0.05 0.09 88.75 11:40:01 0 10.67 0.00 0.36 0.03 0.08 88.87 11:40:01 1 10.80 0.00 0.45 0.09 0.09 88.57 11:40:01 2 10.98 0.00 0.43 0.04 0.09 88.45 11:40:01 3 10.36 0.00 0.40 0.04 0.08 89.12 11:50:01 all 13.41 0.00 0.51 0.04 0.09 85.96 11:50:01 0 13.77 0.00 0.50 0.04 0.08 85.61 11:50:01 1 13.00 0.00 0.52 0.08 0.09 86.32 11:50:01 2 13.75 0.00 0.51 0.03 0.09 85.63 11:50:01 3 13.12 0.00 0.51 0.03 0.08 86.26 12:00:01 all 15.04 0.00 0.55 0.04 0.09 84.29 12:00:01 0 15.61 0.00 0.58 0.06 0.10 83.66 12:00:01 1 14.93 0.00 0.56 0.06 0.10 84.36 12:00:01 2 14.86 0.00 0.63 0.04 0.09 84.38 12:00:01 3 14.74 0.00 0.42 0.01 0.08 84.75 Average: all 21.55 0.00 0.82 0.09 0.09 77.45 Average: 0 21.52 0.00 0.82 0.08 0.09 77.50 Average: 1 21.70 0.00 0.84 0.09 0.09 77.28 Average: 2 21.57 0.00 0.82 0.10 0.10 77.42 Average: 3 21.41 0.00 0.80 0.08 0.09 77.62