---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39353 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 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 669 8112 4 7207 14977 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:71:59:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83862sec preferred_lft 83862sec inet6 fe80::f816:3eff:fe71:59d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d5:a3:de:b1:8d 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-39353) 08/21/26 _x86_64_ (4 CPU) 05:14:35 LINUX RESTART (4 CPU) 05:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:26 38.04 11.86 23.24 2.94 146.63 3158.97 9603.83 05:40:01 36.75 0.02 32.78 3.95 0.51 2667.02 8877.73 05:50:06 5.27 0.03 5.01 0.23 0.69 2900.67 1740.67 Average: 26.62 4.10 20.16 2.35 50.92 2915.06 6729.08 05:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:26 8744988 12730476 3225724 19.70 148648 3921196 3298664 18.93 775724 6423356 191952 05:40:01 8926224 13143960 2809524 17.16 171308 4109048 2871220 16.48 865152 6120260 26512 05:50:06 7807852 13110292 2839892 17.34 178516 5146984 2908000 16.69 1095028 6976604 361596 Average: 8493021 12994909 2958380 18.07 166157 4392409 3025961 17.37 911968 6506740 193353 05:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:26 lo 1572.07 1572.07 1492.58 1492.58 0.00 0.00 0.00 0.00 05:30:26 ens3 62.54 47.77 88.36 14.38 0.00 0.00 0.00 0.00 05:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1683.78 1683.78 1604.36 1604.36 0.00 0.00 0.00 0.00 05:40:01 ens3 43.64 36.39 23.31 12.44 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 2556.53 2556.53 9222.17 9222.17 0.00 0.00 0.00 0.00 05:50:06 ens3 16.66 13.98 84.39 4.00 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 1938.63 1938.63 4126.27 4126.27 0.00 0.00 0.00 0.00 Average: ens3 41.08 32.78 66.25 10.27 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-39353) 08/21/26 _x86_64_ (4 CPU) 05:14:35 LINUX RESTART (4 CPU) 05:20:06 CPU %user %nice %system %iowait %steal %idle 05:30:26 all 67.81 0.07 2.44 0.34 0.10 29.23 05:30:26 0 66.31 0.05 2.52 0.40 0.10 30.62 05:30:26 1 69.41 0.03 2.43 0.13 0.10 27.91 05:30:26 2 67.92 0.09 2.43 0.63 0.10 28.82 05:30:26 3 67.61 0.11 2.39 0.21 0.10 29.58 05:40:01 all 64.29 0.00 2.71 0.44 0.10 32.46 05:40:01 0 64.39 0.00 2.91 0.76 0.10 31.84 05:40:01 1 62.97 0.00 2.49 0.38 0.10 34.05 05:40:01 2 65.12 0.00 2.82 0.36 0.10 31.59 05:40:01 3 64.66 0.00 2.62 0.26 0.10 32.36 05:50:06 all 32.13 0.00 1.25 0.15 0.08 66.38 05:50:06 0 32.73 0.00 1.32 0.17 0.08 65.71 05:50:06 1 34.05 0.00 1.18 0.03 0.08 64.65 05:50:06 2 33.01 0.00 1.11 0.10 0.08 65.70 05:50:06 3 28.74 0.00 1.40 0.31 0.08 69.47 Average: all 54.68 0.02 2.13 0.31 0.09 42.76 Average: 0 54.40 0.02 2.24 0.44 0.09 42.81 Average: 1 55.46 0.01 2.03 0.18 0.09 42.23 Average: 2 55.29 0.03 2.11 0.37 0.09 42.11 Average: 3 53.59 0.04 2.13 0.26 0.09 43.89