---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42588 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 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 12G 66G 15% / 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 668 9343 4 5977 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:13:c9:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84228sec preferred_lft 84228sec inet6 fe80::f816:3eff:fe13:c91e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:24:d0:cd:d7:bd 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-42588) 08/29/26 _x86_64_ (4 CPU) 19:43:57 LINUX RESTART (4 CPU) 19:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:03 15.16 0.01 1.98 13.17 0.28 28.88 240341.30 20:10:01 7.37 2.14 5.11 0.12 128.69 1910.25 7.36 20:20:01 38.00 0.64 33.49 3.86 30.93 10091.51 12382.72 Average: 20.18 0.93 13.52 5.73 53.19 4008.56 84452.92 19:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:03 13122496 15522716 458864 2.80 89280 2507644 982728 5.64 281572 2668784 176 20:10:01 10891376 13930172 2032664 12.41 110544 3091216 2396872 13.76 459272 4687044 43204 20:20:01 9587092 15355608 594292 3.63 149836 5665772 1078080 6.19 1402252 4888540 11404 Average: 11200321 14936165 1028607 6.28 116553 3754877 1485893 8.53 714365 4081456 18261 19:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 20:00:03 ens3 2.27 1.44 10.59 0.26 0.00 0.00 0.00 0.00 20:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 20:10:01 ens3 55.56 45.46 736.00 7.24 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 1216.03 1216.03 1154.79 1154.79 0.00 0.00 0.00 0.00 20:20:01 ens3 89.64 76.08 487.86 103.61 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 405.50 405.50 384.94 384.94 0.00 0.00 0.00 0.00 Average: ens3 49.11 40.95 410.85 37.03 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-42588) 08/29/26 _x86_64_ (4 CPU) 19:43:57 LINUX RESTART (4 CPU) 19:50:01 CPU %user %nice %system %iowait %steal %idle 20:00:03 all 0.18 0.00 0.03 0.04 0.00 99.75 20:00:03 0 0.41 0.00 0.02 0.00 0.00 99.57 20:00:03 1 0.03 0.00 0.03 0.05 0.00 99.89 20:00:03 2 0.25 0.00 0.04 0.00 0.00 99.70 20:00:03 3 0.02 0.00 0.04 0.09 0.00 99.85 20:10:01 all 12.05 0.00 0.49 0.05 0.01 87.41 20:10:01 0 11.75 0.00 0.50 0.03 0.01 87.71 20:10:01 1 12.42 0.00 0.60 0.11 0.01 86.87 20:10:01 2 11.98 0.00 0.51 0.03 0.01 87.47 20:10:01 3 12.04 0.00 0.34 0.02 0.01 87.60 20:20:01 all 48.76 0.00 2.50 0.27 0.02 48.44 20:20:01 0 49.22 0.00 2.62 0.28 0.02 47.86 20:20:01 1 49.79 0.00 2.57 0.17 0.02 47.45 20:20:01 2 50.33 0.00 2.74 0.34 0.02 46.57 20:20:01 3 45.70 0.00 2.08 0.31 0.02 51.89 Average: all 20.30 0.00 1.01 0.12 0.01 78.56 Average: 0 20.41 0.00 1.04 0.10 0.01 78.43 Average: 1 20.73 0.00 1.06 0.11 0.01 78.08 Average: 2 20.84 0.00 1.10 0.12 0.01 77.93 Average: 3 19.23 0.00 0.82 0.14 0.01 79.80