---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17442 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 68G 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 669 10517 4 4802 14977 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:6e:a4:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83182sec preferred_lft 83182sec inet6 fe80::f816:3eff:fe6e:a4f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:52:cd:f2:1e:c3 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-17442) 05/21/26 _x86_64_ (4 CPU) 14:58:42 LINUX RESTART (4 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:15 1.77 0.02 1.74 0.01 1.30 52.05 0.44 15:20:01 1.23 0.01 1.22 0.00 0.05 13.79 0.01 15:30:15 38.73 4.05 33.96 0.72 251.95 3952.46 2162.74 15:40:10 11.80 0.41 10.30 1.10 15.98 2254.74 2089.48 15:50:15 29.69 0.76 24.74 4.18 25.93 3882.51 3043.02 Average: 16.77 1.06 14.50 1.20 59.88 2041.44 1463.16 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:15 13789924 15538456 480536 2.93 53728 1921952 1138068 6.53 193088 2146324 8 15:20:01 13789676 15538664 480420 2.93 54140 1921964 1138132 6.53 193520 2147292 200 15:30:15 11532848 14448236 1515808 9.26 114580 2965200 2074408 11.91 466368 4036052 30920 15:40:10 10060692 13630304 2327328 14.21 144772 3524368 2498296 14.34 631892 5272428 24908 15:50:15 10791736 15349128 601456 3.67 172756 4418620 1097656 6.30 895916 4177396 8 Average: 11992975 14900958 1081110 6.60 107995 2950421 1589312 9.12 476157 3555898 11209 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:15 ens3 0.29 0.19 0.06 0.03 0.00 0.00 0.00 0.00 15:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:01 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:15 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 15:30:15 ens3 95.28 76.05 874.21 14.35 0.00 0.00 0.00 0.00 15:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:10 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:40:10 ens3 61.61 50.72 99.87 17.46 0.00 0.00 0.00 0.00 15:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:15 lo 1768.01 1768.01 1676.90 1676.90 0.00 0.00 0.00 0.00 15:50:15 ens3 100.22 84.84 402.62 105.85 0.00 0.00 0.00 0.00 15:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 355.11 355.11 336.46 336.46 0.00 0.00 0.00 0.00 Average: ens3 51.75 42.56 278.33 27.61 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-17442) 05/21/26 _x86_64_ (4 CPU) 14:58:42 LINUX RESTART (4 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:15 all 0.04 0.00 0.02 0.03 0.01 99.90 15:10:15 0 0.03 0.00 0.03 0.06 0.01 99.87 15:10:15 1 0.05 0.00 0.02 0.01 0.01 99.92 15:10:15 2 0.06 0.00 0.04 0.03 0.02 99.85 15:10:15 3 0.01 0.00 0.01 0.02 0.01 99.95 15:20:01 all 0.13 0.00 0.03 0.06 0.01 99.76 15:20:01 0 0.02 0.00 0.02 0.22 0.01 99.73 15:20:01 1 0.06 0.00 0.01 0.00 0.01 99.92 15:20:01 2 0.37 0.00 0.05 0.00 0.02 99.55 15:20:01 3 0.07 0.00 0.04 0.02 0.02 99.85 15:30:15 all 14.69 0.00 0.76 1.82 0.04 82.69 15:30:15 0 14.82 0.00 0.70 1.82 0.04 82.62 15:30:15 1 13.87 0.00 0.66 0.60 0.04 84.82 15:30:15 2 15.70 0.00 0.91 3.26 0.05 80.09 15:30:15 3 14.36 0.00 0.76 1.60 0.05 83.23 15:40:10 all 72.37 0.00 2.22 0.27 0.13 25.00 15:40:10 0 71.27 0.00 2.20 0.28 0.13 26.11 15:40:10 1 72.98 0.00 2.34 0.31 0.14 24.23 15:40:10 2 73.33 0.00 1.98 0.14 0.13 24.42 15:40:10 3 71.92 0.00 2.38 0.36 0.13 25.21 15:50:15 all 51.83 0.00 2.31 0.30 0.10 45.47 15:50:15 0 48.69 0.00 2.38 0.17 0.09 48.67 15:50:15 1 50.30 0.00 2.19 0.17 0.10 47.24 15:50:15 2 53.67 0.00 2.43 0.72 0.10 43.08 15:50:15 3 54.65 0.00 2.22 0.14 0.10 42.89 Average: all 27.68 0.00 1.07 0.50 0.06 70.69 Average: 0 26.83 0.00 1.06 0.51 0.06 71.53 Average: 1 27.30 0.00 1.04 0.22 0.06 71.38 Average: 2 28.51 0.00 1.08 0.84 0.07 69.50 Average: 3 28.09 0.00 1.08 0.43 0.06 70.34