---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-15543 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 26G 130G 17% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 850 12773 4 18468 30773 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:3d:a0:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.212/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84429sec preferred_lft 84429sec inet6 fe80::f816:3eff:fe3d:a097/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:17:9c:03:ce:2b 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 inet6 fe80::7417:9cff:fe03:ce2b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-15543) 08/26/26 _x86_64_ (8 CPU) 22:55:35 LINUX RESTART (8 CPU) 23:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:23 456.00 0.82 418.00 37.18 57.71 56542.10 542993.53 23:20:26 8.63 0.41 7.89 0.33 8.57 349.09 3441.60 Average: 235.72 0.62 216.07 19.03 33.51 28873.08 277322.16 23:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:23 646864 21020512 11130652 33.87 590108 18881668 18077392 53.31 4895328 23658860 140 23:20:26 289752 19399128 12751516 38.80 573344 17649532 19189268 56.59 4802896 24078104 1700 Average: 468308 20209820 11941084 36.34 581726 18265600 18633330 54.95 4849112 23868482 920 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:23 lo 0.69 0.69 0.05 0.05 0.00 0.00 0.00 0.00 23:10:23 ens3 367.24 230.32 3250.73 86.34 0.00 0.00 0.00 0.00 23:10:23 docker0 26.80 47.16 1.56 741.70 0.00 0.00 0.00 0.00 23:10:23 br-510c39955544 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 23:10:23 veth9b99f7b 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 23:10:23 veth6d22477 0.18 0.23 0.02 0.01 0.00 0.00 0.00 0.00 23:10:23 veth6c44d5d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 23:10:23 veth2b89f54 6.65 6.53 4.47 1.28 0.00 0.00 0.00 0.00 23:10:23 vethc7deb6b 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 23:10:23 vethfbee2d4 1.28 1.28 0.14 0.94 0.00 0.00 0.00 0.00 23:10:23 veth63b3c43 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 23:10:23 veth64b2e58 0.67 0.59 0.09 0.71 0.00 0.00 0.00 0.00 23:20:26 lo 4.77 4.77 19.63 19.63 0.00 0.00 0.00 0.00 23:20:26 ens3 8.67 7.40 4.11 5.66 0.00 0.00 0.00 0.00 23:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:26 br-510c39955544 2.57 2.46 19.03 0.65 0.00 0.00 0.00 0.00 23:20:26 veth9b99f7b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:26 veth6d22477 0.49 0.30 0.07 0.42 0.00 0.00 0.00 0.00 23:20:26 veth6c44d5d 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 23:20:26 veth2b89f54 224.25 241.31 161.69 113.38 0.00 0.00 0.00 0.01 23:20:26 vethc7deb6b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:26 vethfbee2d4 119.44 110.90 88.88 60.34 0.00 0.00 0.00 0.01 23:20:26 veth64b2e58 128.73 119.56 58.96 104.91 0.00 0.00 0.00 0.01 Average: lo 2.70 2.70 9.70 9.70 0.00 0.00 0.00 0.00 Average: ens3 190.69 120.55 1652.12 46.62 0.00 0.00 0.00 0.00 Average: docker0 13.60 23.94 0.79 376.49 0.00 0.00 0.00 0.00 Average: br-510c39955544 1.41 1.34 9.38 0.33 0.00 0.00 0.00 0.00 Average: veth9b99f7b 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6d22477 0.33 0.26 0.05 0.21 0.00 0.00 0.00 0.00 Average: veth6c44d5d 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth2b89f54 113.79 122.13 81.88 56.48 0.00 0.00 0.00 0.01 Average: vethc7deb6b 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethfbee2d4 59.46 55.26 43.83 30.19 0.00 0.00 0.00 0.00 Average: veth64b2e58 63.72 59.17 29.07 52.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-15543) 08/26/26 _x86_64_ (8 CPU) 22:55:35 LINUX RESTART (8 CPU) 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:10:23 all 33.68 0.03 4.98 1.08 0.02 60.23 23:10:23 0 31.94 0.03 5.10 1.08 0.02 61.84 23:10:23 1 34.94 0.04 5.13 1.13 0.01 58.75 23:10:23 2 34.15 0.02 4.74 0.83 0.02 60.24 23:10:23 3 33.30 0.04 4.91 1.14 0.02 60.60 23:10:23 4 36.70 0.01 5.03 0.66 0.02 57.58 23:10:23 5 31.82 0.02 4.68 1.06 0.02 62.40 23:10:23 6 34.28 0.01 5.39 1.47 0.01 58.82 23:10:23 7 32.29 0.02 4.85 1.24 0.02 61.58 23:20:26 all 8.38 0.00 1.49 0.04 0.01 90.08 23:20:26 0 8.47 0.00 2.05 0.02 0.01 89.46 23:20:26 1 8.20 0.00 1.65 0.02 0.01 90.11 23:20:26 2 8.21 0.00 1.42 0.02 0.01 90.34 23:20:26 3 8.89 0.00 1.38 0.03 0.01 89.69 23:20:26 4 8.10 0.00 1.42 0.01 0.01 90.46 23:20:26 5 8.54 0.00 1.22 0.02 0.01 90.20 23:20:26 6 8.58 0.00 1.43 0.02 0.01 89.97 23:20:26 7 8.05 0.00 1.34 0.16 0.02 90.43 Average: all 21.22 0.01 3.26 0.56 0.01 74.92 Average: 0 20.35 0.01 3.59 0.56 0.01 75.48 Average: 1 21.77 0.02 3.41 0.58 0.01 74.19 Average: 2 21.39 0.01 3.11 0.43 0.02 75.05 Average: 3 21.27 0.02 3.17 0.59 0.02 74.93 Average: 4 22.65 0.01 3.25 0.34 0.01 73.73 Average: 5 20.37 0.01 2.98 0.55 0.02 76.08 Average: 6 21.63 0.01 3.44 0.76 0.01 74.15 Average: 7 20.36 0.01 3.12 0.71 0.02 75.78