---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39354 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 13G 65G 17% / 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 7784 4 7525 14967 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:1a:e5:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83984sec preferred_lft 83984sec inet6 fe80::f816:3eff:fe1a:e589/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:08:db:90:6b:a6 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::b008:dbff:fe90:6ba6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39354) 08/21/26 _x86_64_ (4 CPU) 05:16:35 LINUX RESTART (4 CPU) 05:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 41.92 0.61 24.29 17.02 45.76 3395.13 284896.63 05:40:06 30.94 0.02 27.75 3.16 0.56 3051.32 32233.04 05:50:06 10.98 0.03 10.13 0.82 0.72 8142.21 52505.36 Average: 27.93 0.22 20.74 6.97 15.58 4860.88 122635.44 05:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9281144 13250336 2705948 16.53 145720 3926812 2891792 16.60 732236 5954412 24304 05:40:06 7720588 12730568 3221088 19.67 165560 4900156 3332988 19.13 1051432 7143360 459216 05:50:06 7896600 14681380 1264664 7.72 185268 6594224 1894288 10.87 1713560 6241984 52596 Average: 8299444 13554095 2397233 14.64 165516 5140397 2706356 15.53 1165743 6446585 178705 05:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1627.36 1627.36 1544.94 1544.94 0.00 0.00 0.00 0.00 05:30:01 ens3 56.93 39.69 410.53 9.75 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:06 lo 1494.95 1494.95 1423.92 1423.92 0.00 0.00 0.00 0.00 05:40:06 ens3 29.03 24.95 25.84 7.52 0.00 0.00 0.00 0.00 05:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 2535.84 2535.84 9292.82 9292.82 0.00 0.00 0.00 0.00 05:50:06 ens3 22.18 19.63 128.59 4.35 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1885.50 1885.50 4085.06 4085.06 0.00 0.00 0.00 0.00 Average: ens3 35.99 28.06 187.43 7.20 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-39354) 08/21/26 _x86_64_ (4 CPU) 05:16:35 LINUX RESTART (4 CPU) 05:20:04 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 69.27 0.00 2.60 0.09 0.09 27.96 05:30:01 0 69.49 0.00 2.69 0.09 0.09 27.65 05:30:01 1 69.42 0.00 2.43 0.10 0.09 27.97 05:30:01 2 68.62 0.00 2.80 0.08 0.09 28.41 05:30:01 3 69.57 0.00 2.46 0.08 0.09 27.80 05:40:06 all 64.95 0.00 2.52 0.07 0.09 32.38 05:40:06 0 63.43 0.00 2.69 0.11 0.09 33.67 05:40:06 1 64.07 0.00 2.43 0.05 0.09 33.35 05:40:06 2 65.66 0.00 2.53 0.07 0.10 31.65 05:40:06 3 66.64 0.00 2.40 0.04 0.09 30.83 05:50:06 all 29.79 0.00 1.29 0.25 0.09 68.59 05:50:06 0 24.89 0.00 1.02 0.07 0.09 73.93 05:50:06 1 18.90 0.00 2.00 0.44 0.09 78.57 05:50:06 2 43.39 0.00 1.11 0.12 0.09 55.29 05:50:06 3 31.99 0.00 1.01 0.37 0.09 66.54 Average: all 54.65 0.00 2.13 0.14 0.09 42.99 Average: 0 52.57 0.00 2.13 0.09 0.09 45.11 Average: 1 50.78 0.00 2.29 0.20 0.09 46.65 Average: 2 59.22 0.00 2.15 0.09 0.09 38.45 Average: 3 56.03 0.00 1.96 0.16 0.09 41.76