---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-252 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 67G 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 621 9569 4 5798 15024 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:61:ec:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84285sec preferred_lft 84285sec inet6 fe80::f816:3eff:fe61:ec9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:ec:9b:a2:c0:ab 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-252) 09/05/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:06 23.18 2.54 18.96 1.67 146.70 4805.13 9162.64 13:00:06 31.55 0.07 28.14 3.34 1.77 3243.27 32633.03 13:10:01 20.43 0.19 17.58 2.67 13.25 5706.19 2847.47 Average: 25.06 0.94 21.57 2.55 54.32 4582.23 14898.82 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:06 9176472 12994088 2961228 18.09 161104 3738164 3178160 18.24 718228 6044424 17576 13:00:06 7730080 13060196 2888320 17.64 194832 5139752 2921344 16.77 1041928 7076884 913888 13:10:01 9842912 15424080 521484 3.19 214052 5337824 1072376 6.16 954068 5007656 11448 Average: 8916488 13826121 2123677 12.97 189996 4738580 2390627 13.72 904741 6042988 314304 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:06 lo 750.25 750.25 714.95 714.95 0.00 0.00 0.00 0.00 12:50:06 ens3 130.22 104.35 866.89 20.12 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 1632.17 1632.17 1555.89 1555.89 0.00 0.00 0.00 0.00 13:00:06 ens3 52.50 41.27 256.84 12.18 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.73 12.73 1.33 1.33 0.00 0.00 0.00 0.00 13:10:01 ens3 53.28 54.19 27.61 131.17 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 Average: lo 800.55 800.55 759.49 759.49 0.00 0.00 0.00 0.00 Average: ens3 78.90 66.76 386.34 54.16 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-252) 09/05/26 _x86_64_ (4 CPU) 12:35:28 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:06 all 56.69 0.00 2.26 0.08 0.03 40.95 12:50:06 0 57.33 0.00 2.29 0.07 0.02 40.29 12:50:06 1 56.09 0.00 2.21 0.08 0.03 41.60 12:50:06 2 56.56 0.00 2.43 0.08 0.03 40.90 12:50:06 3 56.77 0.00 2.10 0.09 0.03 41.02 13:00:06 all 59.20 0.00 2.63 0.09 0.03 38.05 13:00:06 0 59.07 0.00 2.39 0.10 0.03 38.41 13:00:06 1 59.60 0.00 2.92 0.06 0.03 37.39 13:00:06 2 58.90 0.00 2.35 0.04 0.04 38.67 13:00:06 3 59.24 0.00 2.86 0.14 0.03 37.73 13:10:01 all 37.51 0.00 1.35 0.10 0.02 61.01 13:10:01 0 35.94 0.00 1.32 0.11 0.02 62.62 13:10:01 1 41.39 0.00 1.37 0.13 0.02 57.09 13:10:01 2 35.70 0.00 1.26 0.03 0.02 62.99 13:10:01 3 37.03 0.00 1.46 0.12 0.02 61.36 Average: all 51.18 0.00 2.08 0.09 0.03 46.62 Average: 0 50.83 0.00 2.00 0.09 0.02 47.06 Average: 1 52.40 0.00 2.17 0.09 0.03 45.32 Average: 2 50.45 0.00 2.02 0.05 0.03 47.46 Average: 3 51.06 0.00 2.14 0.12 0.03 46.65