---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41770 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 10G 68G 13% / 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 694 10853 4 4440 14950 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:2b:86:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84224sec preferred_lft 84224sec inet6 fe80::f816:3eff:fe2b:8616/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:ab:4d:df:cd: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-41770) 08/27/26 _x86_64_ (4 CPU) 21:44:52 LINUX RESTART (4 CPU) 21:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:17 34.14 4.41 29.07 0.66 264.07 3054.91 923.09 22:10:17 52.69 0.38 43.14 9.17 11.57 4485.72 32056.28 22:20:05 20.81 0.16 17.15 3.50 10.67 2607.30 8379.68 Average: 35.98 1.66 29.87 4.45 95.97 3387.57 13820.69 21:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:17 11701936 14533016 1431628 8.74 115152 2890024 1930340 11.08 384708 3966980 197556 22:10:17 10025640 13645168 2310952 14.11 178620 3530016 2487700 14.28 631856 5296136 38152 22:20:05 11289380 15472644 480016 2.93 206556 4028484 1000420 5.74 795024 3816108 24 Average: 11005652 14550276 1407532 8.60 166776 3482841 1806153 10.37 603863 4359741 78577 21:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:17 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 22:00:17 ens3 91.50 74.30 822.05 16.54 0.00 0.00 0.00 0.00 22:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:17 lo 5243.74 5243.74 5001.11 5001.11 0.00 0.00 0.00 0.00 22:10:17 ens3 100.74 75.31 250.50 30.08 0.00 0.00 0.00 0.00 22:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:05 lo 1404.03 1404.03 1319.87 1319.87 0.00 0.00 0.00 0.00 22:20:05 ens3 106.31 104.98 155.58 174.63 0.00 0.00 0.00 0.00 22:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2221.20 2221.20 2112.00 2112.00 0.00 0.00 0.00 0.00 Average: ens3 99.47 84.74 410.99 73.11 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-41770) 08/27/26 _x86_64_ (4 CPU) 21:44:52 LINUX RESTART (4 CPU) 21:50:17 CPU %user %nice %system %iowait %steal %idle 22:00:17 all 8.10 0.00 0.63 0.32 0.00 90.95 22:00:17 0 10.88 0.00 0.74 0.23 0.00 88.15 22:00:17 1 7.14 0.00 0.59 0.41 0.01 91.87 22:00:17 2 7.17 0.00 0.56 0.10 0.01 92.16 22:00:17 3 7.20 0.00 0.63 0.54 0.01 91.62 22:10:17 all 63.47 0.00 4.29 0.15 0.01 32.09 22:10:17 0 61.03 0.00 4.00 0.17 0.01 34.79 22:10:17 1 65.10 0.00 4.43 0.12 0.02 30.34 22:10:17 2 64.09 0.00 4.53 0.15 0.01 31.21 22:10:17 3 63.65 0.00 4.18 0.15 0.01 32.01 22:20:05 all 28.26 0.00 1.64 0.09 0.01 70.01 22:20:05 0 26.99 0.00 1.51 0.08 0.01 71.42 22:20:05 1 30.10 0.00 1.45 0.13 0.01 68.31 22:20:05 2 25.84 0.00 1.72 0.08 0.01 72.35 22:20:05 3 30.12 0.00 1.88 0.05 0.01 67.95 Average: all 33.28 0.00 2.19 0.18 0.01 64.34 Average: 0 32.98 0.00 2.08 0.16 0.01 64.77 Average: 1 34.10 0.00 2.16 0.22 0.01 63.52 Average: 2 32.39 0.00 2.27 0.11 0.01 65.21 Average: 3 33.64 0.00 2.23 0.25 0.01 63.87