---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41235 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5599.86 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 13G 66G 16% / 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 674 8577 4 6737 14971 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:2e:cf:03 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 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:fe2e:cf03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:08:da:78:ef:ef 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41235) 08/26/26 _x86_64_ (4 CPU) 11:10:07 LINUX RESTART (4 CPU) 11:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 22.94 0.07 20.39 2.48 6.81 2268.55 11960.93 11:40:01 27.92 0.03 25.08 2.81 0.68 4139.57 29355.27 11:50:02 10.05 0.14 8.65 1.26 9.87 6222.62 1363.78 Average: 20.28 0.08 18.02 2.18 5.79 4216.50 14215.40 11:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 8647232 12672048 3283040 20.05 151748 3964316 3258980 18.71 755884 6549384 184448 11:40:01 7464820 12288740 3662940 22.37 168372 4711776 3463336 19.88 1006812 7427116 652 11:50:02 8801824 15340476 604876 3.69 184488 6355608 1101828 6.32 1659288 5362584 204 Average: 8304625 13433755 2516952 15.37 168203 5010567 2608048 14.97 1140661 6446361 61768 11:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 1303.00 1303.00 1235.06 1235.06 0.00 0.00 0.00 0.00 11:30:01 ens3 40.81 33.33 44.26 11.63 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1187.74 1187.74 1126.54 1126.54 0.00 0.00 0.00 0.00 11:40:01 ens3 43.85 34.10 29.43 11.34 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 2557.69 2557.69 9272.44 9272.44 0.00 0.00 0.00 0.00 11:50:02 ens3 63.31 74.10 110.46 982.82 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1684.62 1684.62 3889.76 3889.76 0.00 0.00 0.00 0.00 Average: ens3 49.36 47.24 61.48 336.68 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41235) 08/26/26 _x86_64_ (4 CPU) 11:10:07 LINUX RESTART (4 CPU) 11:20:06 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 66.94 0.00 2.26 0.21 0.10 30.49 11:30:01 0 66.98 0.00 2.00 0.03 0.10 30.89 11:30:01 1 64.68 0.00 2.17 0.38 0.11 32.67 11:30:01 2 68.31 0.00 2.61 0.40 0.10 28.58 11:30:01 3 67.81 0.00 2.24 0.04 0.10 29.81 11:40:01 all 52.82 0.00 2.21 0.08 0.08 44.81 11:40:01 0 51.83 0.00 2.01 0.07 0.08 46.02 11:40:01 1 51.51 0.00 2.20 0.10 0.08 46.11 11:40:01 2 54.75 0.00 2.45 0.11 0.09 42.60 11:40:01 3 53.18 0.00 2.20 0.04 0.09 44.49 11:50:02 all 29.56 0.00 1.26 0.11 0.08 68.99 11:50:02 0 25.00 0.00 1.22 0.10 0.08 73.61 11:50:02 1 41.24 0.00 0.92 0.03 0.08 57.72 11:50:02 2 29.83 0.00 1.22 0.02 0.07 68.86 11:50:02 3 22.15 0.00 1.69 0.30 0.08 75.78 Average: all 49.70 0.00 1.91 0.13 0.09 48.17 Average: 0 47.85 0.00 1.74 0.06 0.08 50.26 Average: 1 52.44 0.00 1.76 0.17 0.09 45.54 Average: 2 50.88 0.00 2.09 0.18 0.09 46.76 Average: 3 47.63 0.00 2.04 0.13 0.09 50.11