---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29176 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 12G 67G 15% / 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 749 9262 4 5977 14897 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:36:bc:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80663sec preferred_lft 80663sec inet6 fe80::f816:3eff:fe36:bc09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:8a:9b:ff:02:a3 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-29176) 06/21/26 _x86_64_ (4 CPU) 11:28:21 LINUX RESTART (4 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:21 3.53 0.40 2.92 0.21 388.99 382.24 4948.54 11:50:21 13.48 11.89 1.57 0.01 132.37 30.00 0.11 12:00:01 1.21 0.00 1.21 0.00 0.00 13.16 0.00 12:10:11 1.32 0.00 1.32 0.00 0.00 14.26 0.00 12:20:11 1.27 0.00 1.26 0.00 0.01 14.16 0.00 12:30:21 1.23 0.00 1.23 0.00 0.00 13.78 0.00 12:40:05 44.11 4.80 38.52 0.80 279.94 4353.91 719.70 12:50:21 30.56 0.15 27.29 3.11 6.02 3880.01 23840.23 13:00:21 39.05 0.04 22.00 17.00 1.65 6033.05 245717.68 Average: 15.00 1.90 10.75 2.35 90.15 1631.11 30557.03 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:21 13559432 15531656 484452 2.96 56968 2140352 1149688 6.60 331876 2225432 164 11:50:21 13499148 15520920 487720 2.98 59988 2179912 1149688 6.60 369808 2230284 4 12:00:01 13498656 15520916 487708 2.98 60348 2180040 1157880 6.65 370140 2231696 208 12:10:11 13493368 15516096 492540 3.01 60788 2180048 1157880 6.65 370588 2235128 16 12:20:11 13493116 15516192 492492 3.01 61136 2180060 1157880 6.65 370924 2236020 16 12:30:21 13491884 15515428 493156 3.01 61552 2180080 1157944 6.65 371368 2240260 172 12:40:05 10466180 13890556 2069964 12.64 131472 3421108 2389812 13.72 659804 4848204 180772 12:50:21 8323968 12615636 3337608 20.38 169120 4177004 3526592 20.24 941428 6649920 174644 13:00:21 7627720 12970312 2977192 18.18 198760 5143860 3120992 17.91 1076328 7155804 39264 Average: 11939275 14733079 1258092 7.68 95570 2864718 1774262 10.18 540252 3561416 43918 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:21 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:40:21 ens3 9.87 3.38 125.27 0.30 0.00 0.00 0.00 0.00 11:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:21 ens3 0.21 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:00:01 ens3 0.24 0.12 0.07 0.04 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 12:10:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:11 ens3 0.19 0.07 0.04 0.02 0.00 0.00 0.00 0.00 12:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:11 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:21 ens3 0.47 0.41 0.06 0.50 0.00 0.00 0.00 0.00 12:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 121.52 121.52 115.51 115.51 0.00 0.00 0.00 0.00 12:40:05 ens3 108.74 80.05 1017.19 15.14 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:21 lo 1503.03 1503.03 1432.98 1432.98 0.00 0.00 0.00 0.00 12:50:21 ens3 50.05 40.27 95.58 12.94 0.00 0.00 0.00 0.00 12:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:21 lo 593.14 593.14 564.40 564.40 0.00 0.00 0.00 0.00 13:00:21 ens3 59.32 47.82 234.95 13.75 0.00 0.00 0.00 0.00 13:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 249.80 249.80 237.93 237.93 0.00 0.00 0.00 0.00 Average: ens3 25.24 18.96 160.74 4.72 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-29176) 06/21/26 _x86_64_ (4 CPU) 11:28:21 LINUX RESTART (4 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:21 all 0.39 0.00 0.09 0.05 0.02 99.45 11:40:21 0 0.79 0.00 0.08 0.01 0.02 99.11 11:40:21 1 0.26 0.00 0.11 0.15 0.01 99.47 11:40:21 2 0.36 0.00 0.09 0.04 0.03 99.48 11:40:21 3 0.13 0.00 0.08 0.01 0.02 99.75 11:50:21 all 0.10 0.07 0.04 0.06 0.02 99.71 11:50:21 0 0.28 0.00 0.02 0.00 0.01 99.68 11:50:21 1 0.02 0.00 0.02 0.05 0.01 99.91 11:50:21 2 0.07 0.01 0.05 0.01 0.04 99.83 11:50:21 3 0.02 0.28 0.07 0.20 0.01 99.42 12:00:01 all 0.12 0.00 0.03 0.01 0.02 99.82 12:00:01 0 0.02 0.00 0.01 0.00 0.01 99.96 12:00:01 1 0.42 0.00 0.04 0.02 0.02 99.50 12:00:01 2 0.03 0.00 0.03 0.01 0.02 99.91 12:00:01 3 0.02 0.00 0.03 0.00 0.03 99.92 12:10:11 all 0.13 0.00 0.02 0.03 0.02 99.80 12:10:11 0 0.01 0.00 0.01 0.01 0.01 99.96 12:10:11 1 0.43 0.00 0.02 0.00 0.02 99.52 12:10:11 2 0.08 0.00 0.03 0.05 0.03 99.80 12:10:11 3 0.01 0.00 0.01 0.06 0.01 99.91 12:20:11 all 0.22 0.00 0.02 0.01 0.02 99.72 12:20:11 0 0.02 0.00 0.02 0.02 0.01 99.93 12:20:11 1 0.84 0.00 0.02 0.00 0.02 99.12 12:20:11 2 0.03 0.00 0.04 0.01 0.04 99.89 12:20:11 3 0.01 0.00 0.02 0.01 0.01 99.95 12:30:21 all 0.08 0.00 0.03 0.01 0.02 99.86 12:30:21 0 0.02 0.00 0.02 0.01 0.01 99.94 12:30:21 1 0.26 0.00 0.02 0.03 0.02 99.67 12:30:21 2 0.02 0.00 0.03 0.00 0.03 99.91 12:30:21 3 0.03 0.00 0.03 0.00 0.02 99.92 12:40:05 all 17.93 0.00 0.83 0.27 0.04 80.92 12:40:05 0 18.40 0.00 0.74 0.10 0.04 80.72 12:40:05 1 18.12 0.00 0.96 0.10 0.05 80.77 12:40:05 2 18.89 0.00 0.76 0.14 0.04 80.16 12:40:05 3 16.30 0.00 0.88 0.75 0.04 82.04 12:50:21 all 64.83 0.00 2.43 0.06 0.09 32.59 12:50:21 0 63.54 0.00 2.48 0.06 0.09 33.82 12:50:21 1 66.13 0.00 2.53 0.04 0.09 31.21 12:50:21 2 63.77 0.00 2.47 0.06 0.09 33.61 12:50:21 3 65.87 0.00 2.24 0.08 0.09 31.73 13:00:21 all 59.34 0.00 2.11 0.08 0.08 38.39 13:00:21 0 57.35 0.00 2.02 0.03 0.08 40.52 13:00:21 1 56.33 0.00 2.00 0.12 0.08 41.47 13:00:21 2 62.00 0.00 2.22 0.12 0.09 35.58 13:00:21 3 61.67 0.00 2.19 0.04 0.09 36.01 Average: all 15.96 0.01 0.62 0.06 0.04 83.31 Average: 0 15.65 0.00 0.60 0.03 0.03 83.69 Average: 1 15.92 0.00 0.64 0.06 0.04 83.35 Average: 2 16.19 0.00 0.64 0.05 0.05 83.08 Average: 3 16.07 0.03 0.62 0.13 0.03 83.13