---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41632 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8183 4 7136 14976 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:7b:13:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83827sec preferred_lft 83827sec inet6 fe80::f816:3eff:fe7b:13ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:5d:e3:ff:8b:54 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-41632) 08/27/26 _x86_64_ (4 CPU) 17:40:57 LINUX RESTART (4 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:04 36.14 0.07 19.75 16.32 7.02 2418.43 241737.10 18:10:39 31.29 0.04 28.06 3.19 0.89 4322.92 12175.47 18:20:01 11.85 0.16 10.18 1.52 10.62 7902.69 55381.20 Average: 26.85 0.09 19.70 7.07 5.98 4802.14 102523.32 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:04 9230604 13029752 2926940 17.88 147948 3754572 3173404 18.22 727016 5998840 13080 18:10:39 7453804 12304176 3647152 22.28 167784 4737324 3725700 21.39 1019640 7420084 24 18:20:01 8389256 15336132 608608 3.72 184160 6750040 1119112 6.42 1787208 5620400 27676 Average: 8357888 13556687 2394233 14.62 166631 5080645 2672739 15.34 1177955 6346441 13593 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:04 lo 1325.99 1325.99 1257.46 1257.46 0.00 0.00 0.00 0.00 18:00:04 ens3 42.91 33.45 48.51 13.62 0.00 0.00 0.00 0.00 18:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:39 lo 1390.75 1390.75 1320.45 1320.45 0.00 0.00 0.00 0.00 18:10:39 ens3 29.95 24.90 27.37 11.03 0.00 0.00 0.00 0.00 18:10:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 2725.55 2725.55 9928.10 9928.10 0.00 0.00 0.00 0.00 18:20:01 ens3 28.68 29.58 133.66 216.73 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1785.54 1785.54 3985.05 3985.05 0.00 0.00 0.00 0.00 Average: ens3 33.89 29.22 67.61 76.08 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-41632) 08/27/26 _x86_64_ (4 CPU) 17:40:57 LINUX RESTART (4 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:04 all 65.20 0.00 2.49 0.05 0.02 32.24 18:00:04 0 66.74 0.00 2.59 0.05 0.02 30.60 18:00:04 1 63.68 0.00 2.61 0.05 0.02 33.64 18:00:04 2 64.51 0.00 2.23 0.04 0.02 33.20 18:00:04 3 65.87 0.00 2.53 0.07 0.02 31.52 18:10:39 all 56.27 0.00 2.60 0.11 0.02 41.00 18:10:39 0 58.45 0.00 2.74 0.13 0.02 38.66 18:10:39 1 55.84 0.00 2.78 0.09 0.02 41.28 18:10:39 2 55.83 0.00 2.49 0.15 0.01 41.52 18:10:39 3 54.95 0.00 2.40 0.08 0.01 42.56 18:20:01 all 33.03 0.00 1.60 0.15 0.02 65.21 18:20:01 0 32.07 0.00 1.52 0.05 0.02 66.34 18:20:01 1 29.58 0.00 1.67 0.08 0.01 68.66 18:20:01 2 29.89 0.00 1.68 0.41 0.01 68.00 18:20:01 3 40.54 0.00 1.54 0.05 0.02 57.85 Average: all 52.01 0.00 2.25 0.10 0.02 45.62 Average: 0 53.01 0.00 2.31 0.08 0.02 44.59 Average: 1 50.28 0.00 2.38 0.07 0.02 47.26 Average: 2 50.64 0.00 2.15 0.20 0.02 47.00 Average: 3 54.10 0.00 2.17 0.07 0.02 43.64