---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23658 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 11G 67G 14% / 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 691 10366 4 4931 14955 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:25:71:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80589sec preferred_lft 80589sec inet6 fe80::f816:3eff:fe25:71f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:38:0a:31:fe:20 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-23658) 06/04/26 _x86_64_ (4 CPU) 08:09:11 LINUX RESTART (4 CPU) 08:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:13 3.36 0.25 2.97 0.13 204.59 317.23 451.51 08:30:03 1.24 0.01 1.24 0.00 0.04 13.91 0.00 08:40:33 1.21 0.00 1.21 0.00 0.00 13.56 0.00 08:50:13 1.32 0.00 1.32 0.00 0.00 14.73 0.00 09:00:42 1.18 0.00 1.18 0.00 0.01 13.14 0.00 09:10:21 10.70 1.33 9.36 0.01 96.66 420.01 509.07 09:20:03 28.57 0.97 13.39 14.20 41.90 2235.50 248591.64 09:30:03 14.50 2.03 11.51 0.96 130.49 2983.56 2613.62 09:40:03 28.50 0.68 24.51 3.31 21.58 3951.16 3051.41 Average: 9.94 0.58 7.34 2.02 54.92 1098.36 27524.48 08:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:13 13620264 15498908 517848 3.16 55512 2048872 1140928 6.55 257256 2237640 36 08:30:03 13619512 15498592 518392 3.17 55908 2048884 1140992 6.55 257664 2238868 188 08:40:33 13619036 15498516 518468 3.17 56300 2048892 1149248 6.60 258048 2247588 8 08:50:13 13617528 15497568 519360 3.17 56700 2049036 1149248 6.60 258460 2247568 136 09:00:42 13617024 15497488 519424 3.17 57108 2049044 1149248 6.60 258856 2247568 8 09:10:21 13323008 15392364 612560 3.74 71068 2213920 1210112 6.95 351800 2418540 63292 09:20:03 12905732 15500512 473224 2.89 102100 2681552 997832 5.73 406352 2729264 136 09:30:03 10053444 13599212 2359344 14.41 142244 3517612 2723776 15.63 646392 5276304 34264 09:40:03 8302488 12882764 3068220 18.74 169736 4450912 3559800 20.43 927688 6659584 12316 Average: 12519782 14985103 1011871 6.18 85186 2567636 1580132 9.07 402502 3144769 12265 08:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:13 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 08:20:13 ens3 3.61 1.72 58.11 0.18 0.00 0.00 0.00 0.00 08:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:30:03 ens3 0.35 0.13 0.09 0.05 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:33 ens3 0.57 0.62 0.08 0.52 0.00 0.00 0.00 0.00 08:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:13 ens3 0.27 0.11 0.07 0.04 0.00 0.00 0.00 0.00 08:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:42 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:42 ens3 0.19 0.09 0.05 0.03 0.00 0.00 0.00 0.00 09:00:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:21 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 09:10:21 ens3 32.07 21.64 136.66 4.41 0.00 0.00 0.00 0.00 09:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 09:20:03 ens3 27.77 23.30 344.20 3.92 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 09:30:03 ens3 98.83 76.60 585.88 18.87 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 1623.01 1623.01 1547.63 1547.63 0.00 0.00 0.00 0.00 09:40:03 ens3 93.27 67.67 428.81 22.24 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 180.51 180.51 171.92 171.92 0.00 0.00 0.00 0.00 Average: ens3 28.33 21.16 171.06 5.56 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-4g-23658) 06/04/26 _x86_64_ (4 CPU) 08:09:11 LINUX RESTART (4 CPU) 08:10:02 CPU %user %nice %system %iowait %steal %idle 08:20:13 all 0.18 0.00 0.05 0.04 0.01 99.72 08:20:13 0 0.29 0.00 0.02 0.01 0.01 99.66 08:20:13 1 0.18 0.00 0.06 0.06 0.01 99.69 08:20:13 2 0.18 0.00 0.07 0.01 0.01 99.74 08:20:13 3 0.05 0.00 0.06 0.09 0.01 99.79 08:30:03 all 0.30 0.00 0.03 0.01 0.01 99.66 08:30:03 0 0.04 0.00 0.03 0.00 0.02 99.91 08:30:03 1 0.98 0.00 0.04 0.00 0.01 98.97 08:30:03 2 0.16 0.00 0.02 0.00 0.01 99.81 08:30:03 3 0.01 0.00 0.02 0.03 0.01 99.93 08:40:33 all 0.07 0.00 0.02 0.01 0.01 99.89 08:40:33 0 0.08 0.00 0.01 0.00 0.01 99.90 08:40:33 1 0.17 0.00 0.03 0.00 0.02 99.78 08:40:33 2 0.02 0.00 0.02 0.00 0.01 99.96 08:40:33 3 0.03 0.00 0.02 0.03 0.01 99.91 08:50:13 all 0.08 0.00 0.02 0.01 0.01 99.88 08:50:13 0 0.03 0.00 0.02 0.01 0.01 99.94 08:50:13 1 0.02 0.00 0.02 0.00 0.01 99.94 08:50:13 2 0.03 0.00 0.03 0.00 0.01 99.92 08:50:13 3 0.23 0.00 0.02 0.02 0.02 99.71 09:00:42 all 0.23 0.00 0.02 0.01 0.01 99.74 09:00:42 0 0.03 0.00 0.02 0.03 0.01 99.91 09:00:42 1 0.64 0.00 0.02 0.00 0.01 99.32 09:00:42 2 0.01 0.00 0.02 0.00 0.01 99.95 09:00:42 3 0.21 0.00 0.02 0.00 0.01 99.76 09:10:21 all 0.72 0.00 0.13 0.96 0.01 98.19 09:10:21 0 0.58 0.00 0.08 3.16 0.01 96.17 09:10:21 1 1.17 0.00 0.15 0.06 0.02 98.60 09:10:21 2 0.69 0.00 0.17 0.51 0.01 98.62 09:10:21 3 0.43 0.00 0.11 0.10 0.01 99.35 09:20:03 all 2.19 0.00 0.25 0.25 0.02 97.29 09:20:03 0 3.96 0.00 0.30 0.45 0.01 95.28 09:20:03 1 2.75 0.00 0.27 0.11 0.02 96.84 09:20:03 2 1.10 0.00 0.23 0.35 0.02 98.31 09:20:03 3 0.94 0.00 0.21 0.10 0.02 98.73 09:30:03 all 67.01 0.00 2.25 0.05 0.12 30.58 09:30:03 0 68.14 0.00 2.13 0.04 0.12 29.57 09:30:03 1 68.67 0.00 2.54 0.04 0.12 28.64 09:30:03 2 66.40 0.00 2.33 0.06 0.12 31.09 09:30:03 3 64.81 0.00 2.02 0.05 0.12 33.00 09:40:03 all 59.56 0.00 2.49 5.24 0.12 32.60 09:40:03 0 58.46 0.00 2.37 0.14 0.12 38.91 09:40:03 1 60.07 0.00 2.50 7.69 0.12 29.62 09:40:03 2 60.01 0.00 2.49 0.04 0.12 37.35 09:40:03 3 59.69 0.00 2.59 13.12 0.12 24.49 Average: all 14.44 0.00 0.58 0.73 0.03 84.22 Average: 0 14.58 0.00 0.55 0.41 0.03 84.42 Average: 1 14.91 0.00 0.62 0.88 0.04 83.55 Average: 2 14.25 0.00 0.59 0.11 0.03 85.01 Average: 3 14.02 0.00 0.56 1.50 0.04 83.89