---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26651 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 18G 61G 23% / 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 720 9812 3 5456 14926 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:59:a0:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82429sec preferred_lft 82429sec inet6 fe80::f816:3eff:fe59:a0c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:89:83:db:1d: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::cc89:83ff:fedb:1db4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26651) 06/11/26 _x86_64_ (4 CPU) 10:08:39 LINUX RESTART (4 CPU) 10:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:07 134.58 9.06 118.74 6.78 1214.37 39711.63 23304.23 10:30:07 33.40 20.65 12.14 0.61 201.28 1258.68 866.00 10:40:00 8.04 1.00 6.71 0.33 10.43 196.85 682.12 10:50:01 6.33 0.03 6.02 0.27 0.67 179.59 671.04 11:00:01 12.65 0.07 12.11 0.47 6.85 673.47 859.40 11:10:01 8.67 0.12 8.22 0.33 4.11 368.69 1102.57 Average: 33.99 5.16 27.36 1.47 240.03 7077.13 4587.84 10:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:07 165628 9223844 6693580 40.88 263464 8552504 8721012 50.06 2355692 13045520 328 10:30:07 4118808 8903368 7022516 42.89 264768 4401872 7824588 44.91 2057284 9501044 208 10:40:00 5323744 10121148 5808152 35.47 266064 4413416 6950404 39.90 2102092 8276904 72 10:50:01 9691888 14503368 1427612 8.72 267156 4426384 2332152 13.39 2108064 3915552 6432 11:00:01 7927128 12919208 3010528 18.39 273976 4594776 4250372 24.40 2134736 5642220 47076 11:10:01 7043644 12064872 3864560 23.60 275376 4622284 5075424 29.13 2155948 6495344 256 Average: 5711807 11289301 4637825 28.33 268467 5168539 5858992 33.63 2152303 7812764 9062 10:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:07 lo 3.48 3.48 2.38 2.38 0.00 0.00 0.00 0.00 10:20:07 ens3 140.90 106.71 2017.19 11.46 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 10:30:07 lo 10.20 10.20 9.78 9.78 0.00 0.00 0.00 0.00 10:30:07 ens3 0.66 0.57 0.18 0.19 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 9.49 9.49 5.19 5.19 0.00 0.00 0.00 0.00 10:40:00 ens3 1.14 0.59 0.67 0.10 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 8.61 8.61 4.97 4.97 0.00 0.00 0.00 0.00 10:50:01 ens3 1.16 1.42 0.19 1.10 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 11.26 11.26 6.00 6.00 0.00 0.00 0.00 0.00 11:00:01 ens3 0.80 0.77 0.27 0.26 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 23.24 23.24 10.94 10.94 0.00 0.00 0.00 0.00 11:10:01 ens3 0.88 0.88 0.19 0.18 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 11.05 11.05 6.55 6.55 0.00 0.00 0.00 0.00 Average: ens3 24.30 18.52 337.05 2.22 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-26651) 06/11/26 _x86_64_ (4 CPU) 10:08:39 LINUX RESTART (4 CPU) 10:10:07 CPU %user %nice %system %iowait %steal %idle 10:20:07 all 50.60 0.00 2.81 1.68 0.10 44.80 10:20:07 0 51.90 0.00 2.78 2.40 0.11 42.81 10:20:07 1 52.73 0.00 2.87 2.07 0.10 42.22 10:20:07 2 47.95 0.00 2.80 0.85 0.10 48.30 10:20:07 3 49.81 0.00 2.79 1.42 0.10 45.88 10:30:07 all 12.88 0.00 0.71 0.06 0.07 86.28 10:30:07 0 13.17 0.00 0.75 0.05 0.08 85.94 10:30:07 1 13.08 0.00 0.63 0.06 0.07 86.17 10:30:07 2 12.91 0.00 0.71 0.02 0.07 86.28 10:30:07 3 12.37 0.00 0.74 0.09 0.07 86.73 10:40:00 all 15.00 0.00 0.55 0.03 0.08 84.34 10:40:00 0 15.13 0.00 0.50 0.02 0.07 84.29 10:40:00 1 15.33 0.00 0.58 0.01 0.07 84.00 10:40:00 2 14.41 0.00 0.64 0.05 0.08 84.81 10:40:00 3 15.14 0.00 0.47 0.05 0.07 84.27 10:50:01 all 11.67 0.00 0.61 0.35 0.07 87.30 10:50:01 0 11.43 0.00 0.63 0.64 0.06 87.23 10:50:01 1 11.78 0.00 0.65 0.32 0.07 87.19 10:50:01 2 12.14 0.00 0.63 0.35 0.08 86.81 10:50:01 3 11.33 0.00 0.53 0.10 0.06 87.98 11:00:01 all 18.42 0.00 0.77 1.52 0.08 79.21 11:00:01 0 19.35 0.00 0.73 2.70 0.08 77.14 11:00:01 1 18.71 0.00 0.90 1.31 0.08 79.01 11:00:01 2 17.43 0.00 0.65 1.62 0.09 80.22 11:00:01 3 18.19 0.00 0.80 0.45 0.08 80.48 11:10:01 all 16.38 0.00 0.63 0.27 0.75 81.97 11:10:01 0 16.32 0.00 0.54 0.29 0.71 82.14 11:10:01 1 16.46 0.00 0.66 0.48 0.77 81.63 11:10:01 2 16.39 0.00 0.59 0.08 0.84 82.10 11:10:01 3 16.36 0.00 0.75 0.22 0.66 82.01 Average: all 20.84 0.00 1.01 0.65 0.19 77.30 Average: 0 21.23 0.00 0.99 1.02 0.19 76.57 Average: 1 21.36 0.00 1.05 0.71 0.20 76.69 Average: 2 20.21 0.00 1.01 0.50 0.21 78.07 Average: 3 20.55 0.00 1.01 0.39 0.17 77.88