---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2664 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: 5599.99 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 678 10225 4 5085 14968 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:5e:84:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83913sec preferred_lft 83913sec inet6 fe80::f816:3eff:fe5e:8474/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:09:da:fb:95:ce 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-2664) 08/06/26 _x86_64_ (4 CPU) 12:43:36 LINUX RESTART (4 CPU) 12:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 2.56 0.07 2.49 0.01 1.39 106.30 1.11 13:10:09 27.99 1.89 11.50 14.60 127.44 2988.30 237118.09 13:20:05 36.67 0.96 31.26 4.44 34.04 4546.12 4116.89 Average: 22.48 0.98 15.08 6.42 54.86 2554.62 81577.02 12:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 12357644 15173428 791560 4.83 112564 2882616 1322896 7.59 382968 3279904 91536 13:10:09 10120372 13821360 2136308 13.05 147588 3658340 2614456 15.01 609532 5211320 34040 13:20:05 10508944 15356616 593292 3.62 179776 4691544 1124612 6.46 926920 4418944 168 Average: 10995653 14783801 1173720 7.17 146643 3744167 1687321 9.69 639807 4303389 41915 12:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:00:01 ens3 29.91 26.57 360.37 4.33 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:09 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 13:10:09 ens3 85.48 69.19 453.96 17.70 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 lo 1769.61 1769.61 1684.38 1684.38 0.00 0.00 0.00 0.00 13:20:05 ens3 100.02 79.61 459.43 61.18 0.00 0.00 0.00 0.00 13:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 587.75 587.75 559.03 559.03 0.00 0.00 0.00 0.00 Average: ens3 71.98 58.59 424.91 27.72 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-2664) 08/06/26 _x86_64_ (4 CPU) 12:43:36 LINUX RESTART (4 CPU) 12:50:09 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 1.05 0.00 0.11 0.26 0.02 98.55 13:00:01 0 0.81 0.00 0.11 0.03 0.02 99.03 13:00:01 1 1.11 0.00 0.11 0.90 0.02 97.86 13:00:01 2 0.88 0.00 0.07 0.08 0.03 98.95 13:00:01 3 1.41 0.00 0.15 0.03 0.03 98.38 13:10:09 all 64.44 0.00 2.12 0.13 0.10 33.22 13:10:09 0 63.14 0.00 2.14 0.12 0.10 34.51 13:10:09 1 67.55 0.00 2.33 0.11 0.10 29.91 13:10:09 2 63.45 0.00 2.08 0.18 0.10 34.19 13:10:09 3 63.60 0.00 1.92 0.10 0.10 34.28 13:20:05 all 63.05 0.00 2.63 0.21 0.10 34.01 13:20:05 0 61.26 0.00 2.63 0.35 0.11 35.66 13:20:05 1 63.14 0.00 2.54 0.17 0.09 34.05 13:20:05 2 65.21 0.00 2.94 0.18 0.10 31.57 13:20:05 3 62.60 0.00 2.41 0.14 0.10 34.74 Average: all 43.05 0.00 1.62 0.20 0.07 55.06 Average: 0 41.93 0.00 1.63 0.16 0.07 56.20 Average: 1 44.14 0.00 1.67 0.39 0.07 53.74 Average: 2 43.35 0.00 1.70 0.14 0.08 54.73 Average: 3 42.77 0.00 1.50 0.09 0.08 55.56