---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25811 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: 5599.94 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 24% / 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 696 12470 3 2821 14950 Swap: 1023 31 992 ---> 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:84:3d:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79769sec preferred_lft 79769sec inet6 fe80::f816:3eff:fe84:3d77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:08:33:97:db:b4 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::d408:33ff:fe97:dbb4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25811) 06/08/26 _x86_64_ (4 CPU) 06:35:31 LINUX RESTART (4 CPU) 06:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:21 88.33 4.96 79.02 4.34 366.63 28829.95 17723.96 07:00:21 49.13 20.74 26.75 1.63 1057.87 1715.56 874.68 07:10:01 7.67 0.37 6.91 0.39 21.28 307.56 255.29 07:20:22 15.03 0.24 14.08 0.70 10.43 689.38 321.07 07:30:22 15.79 0.11 15.00 0.68 4.31 464.15 285.00 07:40:01 5.65 0.20 5.24 0.21 7.45 149.37 90.84 07:50:22 20.25 0.41 4.70 15.13 12.10 149.65 201627.86 08:00:22 5.54 0.34 5.01 0.19 13.56 152.47 74.44 08:10:01 10.84 0.43 9.96 0.44 15.34 621.45 127.36 08:20:22 4.89 0.10 4.63 0.15 2.91 157.74 62.70 Average: 22.58 2.80 17.34 2.45 151.85 3407.65 22845.79 06:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:21 216968 1223612 14706496 89.82 233160 937728 15903984 91.29 831984 14900888 960 07:00:21 5833728 7310180 8636044 52.75 186600 1472596 9549880 54.82 988740 9166876 2960 07:10:01 8192568 9697636 6251584 38.18 187524 1500316 7031436 40.36 1000252 6809308 344 07:20:22 11965028 13608172 2343344 14.31 193556 1629324 3120024 17.91 1054832 2999424 92 07:30:22 9674640 11387868 4562504 27.87 196648 1696224 5288540 30.36 1061664 5289368 60 07:40:01 9582128 11314952 4635388 28.31 197368 1715124 5368288 30.81 1065040 5358876 588 07:50:22 8110608 9873104 6076416 37.11 200348 1741820 6793520 38.99 1077040 6832296 280 08:00:22 8122812 9908136 6041348 36.90 201028 1763928 6837868 39.25 1084740 6812028 32 08:10:01 9447324 11374044 4576372 27.95 205496 1894544 5348144 30.70 1096104 5473452 372 08:20:22 9300092 11254404 4695892 28.68 206320 1921288 5306900 30.46 1104772 5602608 104 Average: 8044590 9695211 6252539 38.19 200805 1627289 7054858 40.49 1036517 6924512 579 06:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:21 lo 16.97 16.97 15.85 15.85 0.00 0.00 0.00 0.00 06:50:21 ens3 41.48 27.91 768.94 3.71 0.00 0.00 0.00 0.00 06:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:21 lo 50.83 50.83 23.29 23.29 0.00 0.00 0.00 0.00 07:00:21 ens3 2.28 2.34 0.51 0.78 0.00 0.00 0.00 0.00 07:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 22.35 22.35 10.31 10.31 0.00 0.00 0.00 0.00 07:10:01 ens3 0.81 0.53 0.16 0.12 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:22 lo 10.98 10.98 5.33 5.33 0.00 0.00 0.00 0.00 07:20:22 ens3 0.93 0.79 0.25 0.21 0.00 0.00 0.00 0.00 07:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:22 lo 19.87 19.87 10.44 10.44 0.00 0.00 0.00 0.00 07:30:22 ens3 0.81 0.68 0.16 0.13 0.00 0.00 0.00 0.00 07:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 23.06 23.06 9.10 9.10 0.00 0.00 0.00 0.00 07:40:01 ens3 0.74 0.55 0.17 0.13 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:22 lo 25.36 25.36 11.08 11.08 0.00 0.00 0.00 0.00 07:50:22 ens3 0.66 0.47 0.15 0.11 0.00 0.00 0.00 0.00 07:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:22 lo 12.52 12.52 7.73 7.73 0.00 0.00 0.00 0.00 08:00:22 ens3 0.86 0.53 0.26 0.18 0.00 0.00 0.00 0.00 08:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 16.91 16.91 9.97 9.97 0.00 0.00 0.00 0.00 08:10:01 ens3 1.11 0.79 0.35 0.26 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 08:20:22 lo 17.57 17.57 7.05 7.05 0.00 0.00 0.00 0.00 08:20:22 ens3 0.71 0.48 0.15 0.11 0.00 0.00 0.00 0.00 08:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.60 21.60 11.01 11.01 0.00 0.00 0.00 0.00 Average: ens3 5.16 3.59 79.39 0.58 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-25811) 06/08/26 _x86_64_ (4 CPU) 06:35:31 LINUX RESTART (4 CPU) 06:40:01 CPU %user %nice %system %iowait %steal %idle 06:50:21 all 59.38 0.00 2.63 0.44 0.11 37.43 06:50:21 0 58.91 0.00 2.91 0.69 0.11 37.38 06:50:21 1 58.89 0.00 2.50 0.29 0.11 38.20 06:50:21 2 61.45 0.00 2.50 0.30 0.12 35.63 06:50:21 3 58.28 0.00 2.61 0.49 0.12 38.50 07:00:21 all 51.17 0.00 1.93 0.18 0.13 46.60 07:00:21 0 50.93 0.00 1.93 0.22 0.13 46.79 07:00:21 1 51.58 0.00 1.87 0.14 0.13 46.28 07:00:21 2 51.59 0.00 1.99 0.17 0.13 46.12 07:00:21 3 50.59 0.00 1.91 0.17 0.13 47.20 07:10:01 all 19.41 0.00 0.87 0.17 0.08 79.47 07:10:01 0 19.42 0.00 0.92 0.08 0.08 79.50 07:10:01 1 19.59 0.00 0.92 0.52 0.09 78.88 07:10:01 2 19.17 0.00 0.77 0.04 0.08 79.93 07:10:01 3 19.44 0.00 0.89 0.02 0.08 79.57 07:20:22 all 22.62 0.00 0.83 0.10 0.08 76.36 07:20:22 0 22.02 0.00 0.86 0.17 0.09 76.87 07:20:22 1 22.94 0.00 0.74 0.05 0.09 76.18 07:20:22 2 22.18 0.00 0.93 0.15 0.08 76.66 07:20:22 3 23.34 0.00 0.78 0.05 0.08 75.75 07:30:22 all 26.54 0.00 0.86 0.06 0.09 72.44 07:30:22 0 26.97 0.00 0.95 0.05 0.09 71.94 07:30:22 1 26.94 0.00 0.90 0.05 0.09 72.02 07:30:22 2 26.06 0.00 0.81 0.12 0.09 72.92 07:30:22 3 26.20 0.00 0.79 0.05 0.09 72.88 07:40:01 all 9.01 0.00 0.50 0.02 0.07 90.40 07:40:01 0 9.06 0.00 0.48 0.03 0.07 90.36 07:40:01 1 9.34 0.00 0.59 0.02 0.07 89.98 07:40:01 2 9.27 0.00 0.51 0.03 0.06 90.13 07:40:01 3 8.36 0.00 0.43 0.02 0.07 91.13 07:50:22 all 10.55 0.00 0.46 0.09 0.07 88.83 07:50:22 0 10.61 0.00 0.47 0.14 0.07 88.71 07:50:22 1 10.75 0.00 0.43 0.01 0.08 88.73 07:50:22 2 10.72 0.00 0.52 0.18 0.08 88.51 07:50:22 3 10.13 0.00 0.42 0.02 0.08 89.36 08:00:22 all 9.33 0.00 0.45 0.03 0.07 90.12 08:00:22 0 9.21 0.00 0.46 0.04 0.07 90.22 08:00:22 1 9.65 0.00 0.46 0.01 0.08 89.80 08:00:22 2 9.48 0.00 0.42 0.07 0.07 89.97 08:00:22 3 8.96 0.00 0.46 0.02 0.07 90.49 08:10:01 all 14.31 0.00 0.61 0.05 0.08 84.95 08:10:01 0 14.17 0.00 0.60 0.03 0.08 85.13 08:10:01 1 14.31 0.00 0.61 0.09 0.08 84.91 08:10:01 2 14.40 0.00 0.62 0.04 0.08 84.86 08:10:01 3 14.35 0.00 0.62 0.06 0.08 84.89 08:20:22 all 8.12 0.00 0.41 0.02 0.07 91.38 08:20:22 0 8.11 0.00 0.35 0.01 0.07 91.46 08:20:22 1 8.30 0.00 0.39 0.02 0.07 91.21 08:20:22 2 7.81 0.00 0.44 0.04 0.07 91.64 08:20:22 3 8.28 0.00 0.45 0.02 0.06 91.19 Average: all 23.16 0.00 0.96 0.12 0.09 75.67 Average: 0 23.06 0.00 1.00 0.15 0.09 75.71 Average: 1 23.34 0.00 0.94 0.12 0.09 75.50 Average: 2 23.33 0.00 0.96 0.11 0.09 75.51 Average: 3 22.92 0.00 0.94 0.09 0.08 75.97