---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29592 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 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 626 10175 4 5187 15020 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:2d:c6:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83119sec preferred_lft 83119sec inet6 fe80::f816:3eff:fe2d:c65b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:4c:bd:f9:db:d4 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-29592) 06/22/26 _x86_64_ (4 CPU) 19:39:42 LINUX RESTART (4 CPU) 19:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:02 237.83 120.22 116.85 0.75 13737.83 15469.66 20.97 19:50:08 12.85 6.28 6.29 0.28 1525.55 4458.13 5132.27 20:00:08 0.79 0.01 0.78 0.00 0.04 11.57 0.00 20:10:08 38.05 4.15 33.28 0.62 242.75 3979.09 640.00 20:20:08 3.91 0.20 3.53 0.18 23.09 627.56 36.75 20:30:08 7.43 0.52 6.49 0.42 18.99 1568.71 842.51 Average: 12.81 2.34 10.16 0.30 376.37 2145.70 1337.05 19:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:02 15545004 15732936 309876 1.89 51692 382128 838668 5.12 147092 472188 18080 19:50:08 13536600 15514532 501372 3.06 56948 2146156 1161276 6.67 332240 2245216 160 20:00:08 13535608 15514004 502004 3.07 57312 2146292 1161276 6.67 332620 2246500 176 20:10:08 10293824 13408696 2555400 15.61 112244 3171576 2977284 17.09 564356 5167772 1908 20:20:08 8554580 11851396 4110688 25.11 118460 3333048 4279068 24.56 635492 6828092 640 20:30:08 9871224 13598264 2360744 14.42 136108 3717632 2515164 14.44 730448 5376508 14612 Average: 11889473 14269971 1723347 10.53 88794 2482805 2155456 12.37 457041 3722713 5929 19:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:02 lo 8.24 8.24 0.66 0.66 0.00 0.00 0.00 0.00 19:40:02 ens3 387.64 262.17 6917.18 21.96 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 19:50:08 ens3 21.11 11.89 163.71 2.27 0.00 0.00 0.00 0.00 19:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:08 ens3 0.32 0.14 0.09 0.06 0.00 0.00 0.00 0.00 20:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:08 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 20:10:08 ens3 86.29 64.07 861.12 11.51 0.00 0.00 0.00 0.00 20:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:08 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 20:20:08 ens3 13.14 10.90 80.37 2.65 0.00 0.00 0.00 0.00 20:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:08 lo 90.88 90.88 86.02 86.02 0.00 0.00 0.00 0.00 20:30:08 ens3 37.64 25.66 432.90 3.41 0.00 0.00 0.00 0.00 20:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.38 18.38 17.24 17.24 0.00 0.00 0.00 0.00 Average: ens3 31.99 22.72 313.20 3.99 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-29592) 06/22/26 _x86_64_ (4 CPU) 19:39:42 LINUX RESTART (4 CPU) 19:40:00 CPU %user %nice %system %iowait %steal %idle 19:40:02 all 21.21 0.00 6.53 3.36 0.00 68.91 19:40:02 0 19.77 0.00 6.98 3.88 0.00 69.38 19:40:02 1 17.83 0.00 5.43 2.71 0.00 74.03 19:40:02 2 24.06 0.00 6.02 4.89 0.00 65.04 19:40:02 3 23.08 0.00 7.69 1.92 0.00 67.31 19:50:08 all 0.75 0.00 0.22 0.16 0.01 98.86 19:50:08 0 0.67 0.00 0.31 0.24 0.01 98.77 19:50:08 1 0.97 0.00 0.20 0.13 0.01 98.69 19:50:08 2 0.66 0.00 0.21 0.18 0.02 98.94 19:50:08 3 0.68 0.00 0.15 0.11 0.01 99.05 20:00:08 all 0.19 0.00 0.03 0.01 0.01 99.77 20:00:08 0 0.02 0.00 0.04 0.01 0.01 99.93 20:00:08 1 0.37 0.00 0.04 0.01 0.01 99.56 20:00:08 2 0.32 0.00 0.03 0.00 0.01 99.64 20:00:08 3 0.03 0.00 0.02 0.01 0.01 99.94 20:10:08 all 13.21 0.00 0.63 0.25 0.04 85.88 20:10:08 0 14.02 0.00 0.71 0.12 0.04 85.12 20:10:08 1 13.21 0.00 0.57 0.41 0.04 85.78 20:10:08 2 14.02 0.00 0.80 0.41 0.04 84.74 20:10:08 3 11.59 0.00 0.45 0.06 0.03 87.87 20:20:08 all 47.95 0.00 0.77 0.03 0.10 51.15 20:20:08 0 57.04 0.00 0.87 0.03 0.11 41.95 20:20:08 1 51.27 0.00 0.89 0.02 0.10 47.72 20:20:08 2 47.58 0.00 0.65 0.01 0.10 51.65 20:20:08 3 35.94 0.00 0.66 0.05 0.09 63.25 20:30:08 all 51.01 0.00 0.85 0.02 0.10 48.01 20:30:08 0 38.31 0.00 0.80 0.03 0.09 60.78 20:30:08 1 78.00 0.00 1.06 0.02 0.14 20.78 20:30:08 2 44.36 0.00 0.66 0.02 0.09 54.87 20:30:08 3 43.38 0.00 0.88 0.02 0.09 55.62 Average: all 22.57 0.00 0.50 0.10 0.05 76.78 Average: 0 21.97 0.00 0.55 0.09 0.05 77.34 Average: 1 28.67 0.00 0.56 0.12 0.06 70.60 Average: 2 21.34 0.00 0.47 0.13 0.05 78.01 Average: 3 18.29 0.00 0.44 0.05 0.05 81.17