---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60875 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 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 635 8053 4 7299 15010 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:43:d1:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83861sec preferred_lft 83861sec inet6 fe80::f816:3eff:fe43:d1a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:9c:08:e3:5f:0d 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-60875) 09/30/26 _x86_64_ (4 CPU) 13:57:47 LINUX RESTART (4 CPU) 14:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:05 1.74 0.04 1.69 0.01 1.69 21.07 216.91 14:20:05 26.64 11.90 2.00 12.74 132.98 34.28 242609.65 14:30:05 33.47 2.32 31.03 0.13 118.08 11587.11 263.80 Average: 20.62 4.75 11.57 4.29 84.25 3880.82 81031.47 14:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:05 13736636 15521344 496660 3.03 53832 1958916 1169336 6.71 186124 2194752 192 14:20:05 13668340 15508152 501660 3.06 57456 2003256 1169400 6.71 229476 2200244 196 14:30:05 8320584 14035748 1919160 11.72 113172 5696872 2186448 12.55 1069192 6562536 396496 Average: 11908520 15021748 972493 5.94 74820 3219681 1508395 8.66 494931 3652511 132295 14:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:10:05 ens3 0.47 0.18 0.21 0.06 0.00 0.00 0.00 0.00 14:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:20:05 ens3 0.29 0.09 0.04 0.02 0.00 0.00 0.00 0.00 14:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:05 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 14:30:05 ens3 231.20 185.11 1327.14 33.54 0.00 0.00 0.00 0.00 14:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 77.32 61.79 442.47 11.20 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-60875) 09/30/26 _x86_64_ (4 CPU) 13:57:47 LINUX RESTART (4 CPU) 14:00:05 CPU %user %nice %system %iowait %steal %idle 14:10:05 all 0.06 0.00 0.03 0.04 0.00 99.88 14:10:05 0 0.02 0.00 0.03 0.00 0.00 99.94 14:10:05 1 0.09 0.00 0.02 0.15 0.00 99.74 14:10:05 2 0.09 0.00 0.04 0.00 0.01 99.87 14:10:05 3 0.03 0.00 0.01 0.00 0.00 99.95 14:20:05 all 0.24 0.07 0.05 0.62 0.00 99.02 14:20:05 0 0.02 0.00 0.06 1.89 0.00 98.02 14:20:05 1 0.03 0.00 0.02 0.24 0.01 99.71 14:20:05 2 0.88 0.00 0.03 0.00 0.00 99.08 14:20:05 3 0.02 0.28 0.09 0.35 0.01 99.26 14:30:05 all 10.34 0.00 0.91 1.18 0.02 87.56 14:30:05 0 10.27 0.00 0.96 1.41 0.02 87.34 14:30:05 1 8.22 0.00 0.85 1.31 0.02 89.60 14:30:05 2 11.17 0.00 0.84 0.82 0.02 87.15 14:30:05 3 11.67 0.00 1.01 1.15 0.02 86.15 Average: all 3.54 0.02 0.33 0.61 0.01 95.49 Average: 0 3.44 0.00 0.35 1.10 0.01 95.10 Average: 1 2.78 0.00 0.30 0.57 0.01 96.35 Average: 2 4.05 0.00 0.30 0.28 0.01 95.37 Average: 3 3.91 0.09 0.37 0.50 0.01 95.12