---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2930 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 16% / 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 705 8884 4 6399 14939 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:f9:f1:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84208sec preferred_lft 84208sec inet6 fe80::f816:3eff:fef9:f1c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:83:ec:f9:a0:d6 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2930) 09/07/26 _x86_64_ (4 CPU) 12:56:35 LINUX RESTART (4 CPU) 13:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 39.09 1.90 19.95 17.23 346.07 3682.58 287899.16 13:20:08 19.13 0.15 16.29 2.68 5.03 1570.44 26201.47 13:30:08 21.64 0.30 18.86 2.48 14.56 7189.11 49167.50 Average: 26.57 0.78 18.36 7.43 121.11 4136.64 120475.11 13:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 9163248 13100424 2855048 17.44 134644 3910596 3157940 18.13 766684 6036656 388 13:20:08 8736712 13143200 2809140 17.16 153172 4330744 3229380 18.54 896068 6296624 130904 13:30:08 9151580 15345544 598532 3.66 176788 6017112 1170624 6.72 1667816 4995444 44 Average: 9017180 13863056 2087573 12.75 154868 4752817 2519315 14.46 1110189 5776241 43779 13:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 24.75 24.75 5.73 5.73 0.00 0.00 0.00 0.00 13:10:01 ens3 41.13 26.97 444.67 5.29 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:08 lo 1414.16 1414.16 1320.09 1320.09 0.00 0.00 0.00 0.00 13:20:08 ens3 34.53 27.93 261.50 4.08 0.00 0.00 0.00 0.00 13:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:08 lo 1250.93 1250.93 1212.62 1212.62 0.00 0.00 0.00 0.00 13:30:08 ens3 73.47 71.70 246.01 594.14 0.00 0.00 0.00 0.00 13:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 899.92 899.92 849.22 849.22 0.00 0.00 0.00 0.00 Average: ens3 49.65 42.15 317.00 200.54 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2930) 09/07/26 _x86_64_ (4 CPU) 12:56:35 LINUX RESTART (4 CPU) 13:00:03 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 35.31 0.00 1.45 0.24 0.02 62.98 13:10:01 0 35.18 0.00 1.34 0.22 0.02 63.24 13:10:01 1 34.57 0.00 1.33 0.29 0.02 63.80 13:10:01 2 35.86 0.00 1.58 0.33 0.02 62.20 13:10:01 3 35.63 0.00 1.54 0.14 0.02 62.67 13:20:08 all 23.82 0.00 1.64 0.06 0.02 74.45 13:20:08 0 24.24 0.00 1.65 0.03 0.02 74.07 13:20:08 1 24.97 0.00 1.87 0.08 0.02 73.05 13:20:08 2 21.99 0.00 1.48 0.07 0.02 76.43 13:20:08 3 24.10 0.00 1.57 0.07 0.02 74.23 13:30:08 all 31.94 0.00 1.80 0.10 0.02 66.15 13:30:08 0 27.88 0.00 1.79 0.04 0.01 70.28 13:30:08 1 30.25 0.00 1.75 0.13 0.02 67.86 13:30:08 2 36.45 0.00 2.06 0.07 0.02 61.41 13:30:08 3 33.21 0.00 1.59 0.17 0.02 65.01 Average: all 30.33 0.00 1.63 0.14 0.02 67.89 Average: 0 29.07 0.00 1.59 0.09 0.02 69.22 Average: 1 29.91 0.00 1.65 0.16 0.02 68.26 Average: 2 31.39 0.00 1.71 0.16 0.02 66.73 Average: 3 30.95 0.00 1.57 0.13 0.02 67.34