---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40406 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: 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 12G 67G 15% / 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 731 9460 4 5797 14914 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:6b:66:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:fe6b:662b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:08:12:a6:59:91 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-40406) 08/23/26 _x86_64_ (4 CPU) 12:38:24 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:15 26.51 3.46 21.57 1.48 180.19 5848.90 4198.67 13:00:03 33.11 0.07 29.39 3.65 1.69 3226.75 25767.11 13:10:01 38.50 0.19 21.62 16.69 13.68 5939.70 238762.73 Average: 32.65 1.26 24.15 7.24 66.54 5022.33 89186.64 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:15 8588464 12532664 3423584 20.91 156112 3867128 3712348 21.31 728528 6623056 189848 13:00:03 8919156 13258580 2693784 16.45 188408 4190900 2859420 16.41 846384 6110460 23940 13:10:01 9712280 15293000 652904 3.99 210648 5341336 1198776 6.88 955944 5131944 12204 Average: 9073300 13694748 2256757 13.78 185056 4466455 2590181 14.87 843619 5955153 75331 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:15 lo 630.89 630.89 600.54 600.54 0.00 0.00 0.00 0.00 12:50:15 ens3 112.52 87.57 928.09 19.13 0.00 0.00 0.00 0.00 12:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 1835.25 1835.25 1750.00 1750.00 0.00 0.00 0.00 0.00 13:00:03 ens3 47.90 38.71 163.54 11.36 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.02 12.02 1.21 1.21 0.00 0.00 0.00 0.00 13:10:01 ens3 88.57 82.06 130.40 230.97 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 818.75 818.75 776.96 776.96 0.00 0.00 0.00 0.00 Average: ens3 83.45 69.78 413.23 86.98 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-40406) 08/23/26 _x86_64_ (4 CPU) 12:38:24 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:15 all 54.00 0.00 2.03 0.10 0.07 43.80 12:50:15 0 53.52 0.00 1.72 0.06 0.08 44.63 12:50:15 1 51.87 0.00 2.10 0.18 0.08 45.77 12:50:15 2 56.22 0.00 2.37 0.06 0.08 41.28 12:50:15 3 54.40 0.00 1.93 0.08 0.07 43.53 13:00:03 all 61.28 0.00 2.77 0.07 0.09 35.79 13:00:03 0 58.58 0.00 2.61 0.07 0.09 38.65 13:00:03 1 63.01 0.00 2.76 0.10 0.08 34.04 13:00:03 2 62.01 0.00 3.10 0.06 0.09 34.75 13:00:03 3 61.52 0.00 2.61 0.06 0.09 35.72 13:10:01 all 46.30 0.00 1.71 0.39 0.08 51.52 13:10:01 0 46.75 0.00 1.41 0.07 0.08 51.69 13:10:01 1 44.61 0.00 1.61 1.30 0.07 52.41 13:10:01 2 41.07 0.00 1.48 0.11 0.08 57.26 13:10:01 3 52.76 0.00 2.37 0.07 0.08 44.72 Average: all 53.81 0.00 2.17 0.19 0.08 43.76 Average: 0 52.91 0.00 1.91 0.07 0.08 45.03 Average: 1 53.09 0.00 2.15 0.53 0.08 44.16 Average: 2 53.07 0.00 2.31 0.08 0.08 44.47 Average: 3 56.17 0.00 2.30 0.07 0.08 41.38