---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-314 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 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 766 9316 4 5906 14879 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:fd:19:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83331sec preferred_lft 83331sec inet6 fe80::f816:3eff:fefd:19db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:ca:90:19:51:2c 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-314) 09/05/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 9.60 2.17 7.01 0.43 132.17 2276.57 411.99 20:50:03 29.81 0.43 25.16 4.22 14.37 4260.64 5178.72 21:00:03 48.56 0.00 38.55 10.02 0.00 2642.89 6886.72 21:10:03 20.36 0.18 17.13 3.06 10.61 4157.51 2137.03 Average: 27.08 0.69 21.96 4.43 39.29 3334.40 3653.61 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 10721568 13876452 2084912 12.73 130968 3167340 2424812 13.92 513308 4782176 17944 20:50:03 8856220 13208408 2742796 16.75 189220 4207316 3023800 17.36 771164 6272844 113828 21:00:03 8195300 12979700 2967320 18.12 216704 4568896 3177428 18.24 878160 6770964 170208 21:10:03 9672792 15353208 591172 3.61 240452 5399924 1139608 6.54 1211484 4891184 376 Average: 9361470 13854442 2096550 12.80 194336 4335869 2441412 14.01 843529 5679292 75589 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 20:40:03 ens3 98.12 77.72 588.37 14.56 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 2171.91 2171.91 2071.27 2071.27 0.00 0.00 0.00 0.00 20:50:03 ens3 71.54 57.37 324.90 19.74 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 5456.01 5456.01 5203.56 5203.56 0.00 0.00 0.00 0.00 21:00:03 ens3 44.98 36.93 24.76 19.30 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:03 lo 1508.09 1508.09 1425.39 1425.39 0.00 0.00 0.00 0.00 21:10:03 ens3 83.11 82.28 134.58 150.22 0.00 0.00 0.00 0.00 21:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2284.16 2284.16 2175.07 2175.07 0.00 0.00 0.00 0.00 Average: ens3 74.44 63.57 268.15 50.96 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-314) 09/05/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 30.38 0.00 1.15 0.04 0.02 68.41 20:40:03 0 31.44 0.00 1.15 0.02 0.02 67.38 20:40:03 1 31.10 0.00 1.23 0.02 0.02 67.63 20:40:03 2 28.77 0.00 0.97 0.02 0.02 70.23 20:40:03 3 30.19 0.00 1.26 0.12 0.02 68.41 20:50:03 all 56.84 0.00 3.00 0.07 0.03 40.07 20:50:03 0 56.67 0.00 2.91 0.09 0.03 40.31 20:50:03 1 57.74 0.00 2.73 0.05 0.03 39.45 20:50:03 2 56.86 0.00 2.91 0.10 0.03 40.10 20:50:03 3 56.10 0.00 3.43 0.05 0.02 40.40 21:00:03 all 56.75 0.00 4.19 0.10 0.03 38.93 21:00:03 0 55.17 0.00 4.11 0.10 0.03 40.59 21:00:03 1 58.81 0.00 4.27 0.07 0.04 36.81 21:00:03 2 57.57 0.00 4.30 0.15 0.03 37.95 21:00:03 3 55.43 0.00 4.07 0.09 0.03 40.38 21:10:03 all 31.14 0.00 1.86 0.08 0.02 66.90 21:10:03 0 30.26 0.00 1.92 0.04 0.03 67.75 21:10:03 1 32.26 0.00 2.01 0.06 0.01 65.67 21:10:03 2 28.92 0.00 1.66 0.14 0.02 69.26 21:10:03 3 33.13 0.00 1.84 0.08 0.02 64.93 Average: all 43.76 0.00 2.55 0.07 0.02 53.59 Average: 0 43.38 0.00 2.52 0.06 0.02 54.01 Average: 1 44.96 0.00 2.56 0.05 0.02 52.41 Average: 2 43.01 0.00 2.46 0.10 0.02 54.41 Average: 3 43.70 0.00 2.65 0.09 0.02 53.54