---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29895 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 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 708 9800 4 5480 14937 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:c4:4e:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82654sec preferred_lft 82654sec inet6 fe80::f816:3eff:fec4:4e1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:31:fa:83:f1:52 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::3c31:faff:fe83:f152/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-29895) 06/23/26 _x86_64_ (4 CPU) 16:03:52 LINUX RESTART (4 CPU) 16:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:03 84.46 21.91 59.38 3.16 343.40 10756.95 3876.79 16:30:03 8.53 1.58 6.60 0.34 16.29 222.11 701.01 16:40:03 8.04 0.02 7.61 0.41 0.97 262.71 636.00 16:50:03 4.30 0.00 4.12 0.17 0.08 111.77 276.09 17:00:03 10.25 0.12 9.73 0.39 4.24 770.51 822.51 Average: 23.11 4.73 17.49 0.89 73.00 2424.81 1262.48 16:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:03 4149940 8949600 6976928 42.61 271252 4415012 7789808 44.71 2306748 9221812 84 16:30:03 6369396 11184696 4745376 28.98 272840 4428248 5528132 31.73 2355552 6977816 352 16:40:03 4167028 8997016 6932512 42.34 274064 4441616 8116960 46.59 2361876 9177560 684 16:50:03 9115128 14037892 1893100 11.56 277332 4525760 2995176 17.19 2378160 4219128 84772 17:00:03 6216252 11245852 4683320 28.60 281420 4623100 5302860 30.44 2394880 7079948 336 Average: 6003549 10883011 5046247 30.82 275382 4486747 5946587 34.13 2359443 7335253 17246 16:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:03 lo 13.97 13.97 13.90 13.90 0.00 0.00 0.00 0.00 16:20:03 ens3 1.60 1.48 0.54 0.51 0.00 0.00 0.00 0.00 16:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:03 lo 11.42 11.42 5.89 5.89 0.00 0.00 0.00 0.00 16:30:03 ens3 0.83 0.49 0.42 0.10 0.00 0.00 0.00 0.00 16:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:03 lo 7.21 7.21 5.44 5.44 0.00 0.00 0.00 0.00 16:40:03 ens3 0.63 0.47 0.13 0.11 0.00 0.00 0.00 0.00 16:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:03 lo 9.24 9.24 3.89 3.89 0.00 0.00 0.00 0.00 16:50:03 ens3 0.39 0.31 0.13 0.10 0.00 0.00 0.00 0.00 16:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:03 lo 21.19 21.19 10.77 10.77 0.00 0.00 0.00 0.00 17:00:03 ens3 0.97 0.89 0.27 0.27 0.00 0.00 0.00 0.00 17:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.60 12.60 7.98 7.98 0.00 0.00 0.00 0.00 Average: ens3 0.88 0.73 0.30 0.22 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-29895) 06/23/26 _x86_64_ (4 CPU) 16:03:52 LINUX RESTART (4 CPU) 16:10:03 CPU %user %nice %system %iowait %steal %idle 16:20:03 all 41.25 0.00 1.67 0.31 0.10 56.68 16:20:03 0 42.83 0.00 1.55 0.24 0.10 55.28 16:20:03 1 40.47 0.00 1.78 0.33 0.10 57.33 16:20:03 2 41.47 0.00 1.64 0.41 0.10 56.39 16:20:03 3 40.22 0.00 1.70 0.28 0.10 57.70 16:30:03 all 16.22 0.00 0.65 0.04 0.07 83.02 16:30:03 0 15.12 0.00 0.67 0.07 0.07 84.07 16:30:03 1 16.45 0.00 0.71 0.01 0.08 82.75 16:30:03 2 16.88 0.00 0.56 0.02 0.08 82.46 16:30:03 3 16.44 0.00 0.65 0.06 0.08 82.78 16:40:03 all 15.57 0.00 0.71 0.04 0.07 83.61 16:40:03 0 15.66 0.00 0.60 0.02 0.07 83.64 16:40:03 1 15.76 0.00 0.76 0.04 0.07 83.36 16:40:03 2 15.51 0.00 0.73 0.08 0.08 83.60 16:40:03 3 15.34 0.00 0.73 0.03 0.07 83.83 16:50:03 all 6.39 0.00 0.51 0.05 0.07 92.98 16:50:03 0 7.05 0.00 0.40 0.08 0.06 92.42 16:50:03 1 6.26 0.00 0.63 0.03 0.07 93.00 16:50:03 2 6.58 0.00 0.60 0.02 0.08 92.73 16:50:03 3 5.65 0.00 0.42 0.06 0.07 93.79 17:00:03 all 17.91 0.00 0.78 0.08 0.08 81.16 17:00:03 0 17.80 0.00 0.75 0.06 0.07 81.31 17:00:03 1 18.84 0.00 0.83 0.05 0.08 80.20 17:00:03 2 17.55 0.00 0.80 0.04 0.08 81.53 17:00:03 3 17.45 0.00 0.72 0.15 0.08 81.61 Average: all 19.45 0.00 0.86 0.10 0.08 79.50 Average: 0 19.68 0.00 0.79 0.09 0.07 79.36 Average: 1 19.54 0.00 0.94 0.09 0.08 79.34 Average: 2 19.58 0.00 0.87 0.11 0.08 79.36 Average: 3 19.01 0.00 0.84 0.11 0.08 79.96