---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2587 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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: 5600.00 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 25G 131G 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 880 15955 4 15256 30743 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:c3:9f:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.153/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84324sec preferred_lft 84324sec inet6 fe80::f816:3eff:fec3:9fa4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:6b:b2:84:dc:60 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::f46b:b2ff:fe84:dc60/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2587) 10/17/26 _x86_64_ (8 CPU) 20:05:13 LINUX RESTART (8 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:05 305.28 0.97 289.35 14.96 269.96 52810.25 107549.55 20:30:05 29.18 0.44 26.23 2.51 8.83 4633.28 3829.82 Average: 167.23 0.71 157.79 8.74 139.39 28721.77 55689.69 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:05 2605972 22487168 9664348 29.41 594540 18401520 16287564 48.03 4930168 21649884 700 20:30:05 299608 16660532 14575612 44.35 577784 15828540 25029912 73.81 4969828 23825472 66460 Average: 1452790 19573850 12119980 36.88 586162 17115030 20658738 60.92 4949998 22737678 33580 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:05 lo 2.38 2.38 0.66 0.66 0.00 0.00 0.00 0.00 20:20:05 ens3 313.81 180.44 3555.92 52.75 0.00 0.00 0.00 0.00 20:20:05 docker0 24.85 50.46 1.88 767.47 0.00 0.00 0.00 0.00 20:20:05 br-3e2ffcca7c87 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 20:20:05 vethf5d3878 6.62 6.09 4.43 1.26 0.00 0.00 0.00 0.00 20:20:05 veth0bf5543 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 20:20:05 vethb4c422b 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 20:20:05 vethe479b3c 0.09 0.17 0.01 0.01 0.00 0.00 0.00 0.00 20:20:05 veth23f855d 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 20:20:05 veth44b94d9 0.70 0.71 0.09 0.90 0.00 0.00 0.00 0.00 20:20:05 vethb7c259c 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 20:20:05 vethbe7b8f1 0.39 0.38 0.05 0.57 0.00 0.00 0.00 0.00 20:30:05 lo 42.83 42.83 182.12 182.12 0.00 0.00 0.00 0.00 20:30:05 ens3 5.54 4.57 2.37 2.85 0.00 0.00 0.00 0.00 20:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:05 br-3e2ffcca7c87 32.91 40.06 40.93 143.89 0.00 0.00 0.00 0.00 20:30:05 vethf5d3878 122.47 127.76 73.84 65.98 0.00 0.00 0.00 0.01 20:30:05 veth0bf5543 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 20:30:05 vethb4c422b 22.99 22.32 230.26 58.82 0.00 0.00 0.00 0.02 20:30:05 vethe479b3c 12.91 13.57 58.53 32.21 0.00 0.00 0.00 0.00 20:30:05 veth23f855d 45.60 53.07 41.14 371.78 0.00 0.00 0.00 0.03 20:30:05 veth44b94d9 98.65 92.56 90.94 50.81 0.00 0.00 0.00 0.01 20:30:05 vethbe7b8f1 37.63 37.41 21.49 26.94 0.00 0.00 0.00 0.00 Average: lo 22.61 22.61 91.39 91.39 0.00 0.00 0.00 0.00 Average: ens3 159.67 92.51 1779.14 27.80 0.00 0.00 0.00 0.00 Average: docker0 12.43 25.23 0.94 383.73 0.00 0.00 0.00 0.00 Average: br-3e2ffcca7c87 16.60 20.16 20.47 71.95 0.00 0.00 0.00 0.00 Average: vethf5d3878 64.54 66.93 39.14 33.62 0.00 0.00 0.00 0.00 Average: veth0bf5543 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethb4c422b 11.51 11.22 115.13 29.41 0.00 0.00 0.00 0.01 Average: vethe479b3c 6.50 6.87 29.27 16.11 0.00 0.00 0.00 0.00 Average: veth23f855d 22.81 26.59 20.57 185.90 0.00 0.00 0.00 0.02 Average: veth44b94d9 49.67 46.63 45.51 25.85 0.00 0.00 0.00 0.00 Average: vethbe7b8f1 19.01 18.90 10.77 13.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2587) 10/17/26 _x86_64_ (8 CPU) 20:05:13 LINUX RESTART (8 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:05 all 38.02 0.02 4.90 1.53 0.02 55.51 20:20:05 0 39.57 0.04 5.10 1.19 0.03 54.08 20:20:05 1 38.19 0.01 5.61 2.15 0.02 54.02 20:20:05 2 38.96 0.05 5.07 1.23 0.02 54.67 20:20:05 3 39.56 0.02 4.82 1.13 0.01 54.46 20:20:05 4 37.99 0.03 4.94 1.87 0.02 55.15 20:20:05 5 38.18 0.03 4.52 1.17 0.02 56.09 20:20:05 6 39.34 0.02 4.37 2.14 0.01 54.12 20:20:05 7 32.39 0.01 4.73 1.39 0.02 61.45 20:30:05 all 17.95 0.01 3.24 0.09 0.01 78.69 20:30:05 0 18.31 0.01 3.85 0.16 0.01 77.67 20:30:05 1 17.39 0.01 3.66 0.08 0.01 78.85 20:30:05 2 18.38 0.01 3.39 0.09 0.01 78.13 20:30:05 3 18.14 0.00 3.15 0.06 0.01 78.63 20:30:05 4 17.64 0.00 2.90 0.07 0.01 79.39 20:30:05 5 17.94 0.02 3.05 0.07 0.01 78.91 20:30:05 6 17.98 0.01 2.94 0.05 0.01 79.01 20:30:05 7 17.82 0.00 3.00 0.20 0.01 78.97 Average: all 27.99 0.02 4.07 0.81 0.01 67.10 Average: 0 28.92 0.02 4.47 0.67 0.02 65.89 Average: 1 27.77 0.01 4.64 1.11 0.01 66.45 Average: 2 28.67 0.03 4.23 0.66 0.02 66.40 Average: 3 28.85 0.01 3.98 0.60 0.01 66.54 Average: 4 27.82 0.01 3.92 0.97 0.01 67.26 Average: 5 28.07 0.02 3.78 0.62 0.02 67.49 Average: 6 28.68 0.02 3.66 1.09 0.01 66.54 Average: 7 25.12 0.01 3.87 0.80 0.01 70.20