---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40434 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 672 7695 4 7621 14974 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:de:8f:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83741sec preferred_lft 83741sec inet6 fe80::f816:3eff:fede:8f3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:ab:b5:aa:e2:0d 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-40434) 08/23/26 _x86_64_ (4 CPU) 19:01:24 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 30.67 0.97 26.60 3.10 42.08 3266.11 7503.78 19:30:01 36.27 0.02 32.48 3.76 0.98 2683.94 18332.85 19:40:17 5.34 0.03 4.95 0.36 0.60 2857.09 50342.33 Average: 23.92 0.34 21.19 2.39 14.48 2935.71 25596.05 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 7788420 11997828 3957056 24.17 154976 4153076 3962800 22.75 831344 7343788 2220 19:30:01 8271944 12919700 3031192 18.51 178184 4535800 3050412 17.51 954296 6681476 25636 19:40:17 6933280 12869968 3077032 18.79 183760 5773060 3091140 17.74 1335124 7591260 561252 Average: 7664548 12595832 3355093 20.49 172307 4820645 3368117 19.33 1040255 7205508 196369 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1560.57 1560.57 1481.42 1481.42 0.00 0.00 0.00 0.00 19:20:04 ens3 82.58 61.33 377.38 15.74 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1735.17 1735.17 1653.43 1653.43 0.00 0.00 0.00 0.00 19:30:01 ens3 44.66 34.61 22.54 11.81 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:17 lo 2504.48 2504.48 9067.68 9067.68 0.00 0.00 0.00 0.00 19:40:17 ens3 18.44 14.56 83.32 4.18 0.00 0.00 0.00 0.00 19:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1938.14 1938.14 4110.53 4110.53 0.00 0.00 0.00 0.00 Average: ens3 48.34 36.67 160.82 10.53 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-40434) 08/23/26 _x86_64_ (4 CPU) 19:01:24 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 66.02 0.00 2.47 0.07 0.09 31.36 19:20:04 0 65.00 0.00 2.24 0.11 0.09 32.58 19:20:04 1 66.07 0.00 2.57 0.06 0.08 31.22 19:20:04 2 66.60 0.00 2.34 0.06 0.09 30.92 19:20:04 3 66.41 0.00 2.73 0.05 0.08 30.72 19:30:01 all 63.46 0.00 2.66 0.07 0.09 33.72 19:30:01 0 63.67 0.00 2.79 0.06 0.09 33.40 19:30:01 1 62.62 0.00 2.58 0.13 0.09 34.58 19:30:01 2 65.96 0.00 2.69 0.06 0.09 31.20 19:30:01 3 61.60 0.00 2.58 0.05 0.09 35.68 19:40:17 all 32.09 0.00 1.23 0.06 0.08 66.54 19:40:17 0 32.12 0.00 1.80 0.04 0.09 65.95 19:40:17 1 35.59 0.00 0.84 0.09 0.08 63.41 19:40:17 2 34.11 0.00 1.17 0.05 0.08 64.59 19:40:17 3 26.55 0.00 1.10 0.07 0.09 72.20 Average: all 53.66 0.00 2.11 0.07 0.09 44.08 Average: 0 53.39 0.00 2.27 0.07 0.09 44.18 Average: 1 54.59 0.00 1.98 0.09 0.08 43.26 Average: 2 55.36 0.00 2.06 0.06 0.09 42.44 Average: 3 51.29 0.00 2.13 0.06 0.09 46.44