---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1296 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 16% / 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 837 12534 3 18720 30787 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:82:27:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.226/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84343sec preferred_lft 84343sec inet6 fe80::f816:3eff:fe82:276e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:9d:0c:8b:a0:db 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::89d:cff:fe8b:a0db/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1296) 05/19/26 _x86_64_ (8 CPU) 10:41:11 LINUX RESTART (8 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:04 216.47 0.35 208.28 7.84 15.88 39197.01 43919.27 11:10:01 11.18 0.18 10.65 0.35 7.43 433.95 3292.30 Average: 114.34 0.26 109.96 4.11 11.67 19913.10 23708.10 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:04 1214836 20701372 11452544 34.85 596912 18005320 17218324 50.77 4869940 23076564 444 11:10:01 279872 19624164 12528304 38.12 581408 17876040 18353380 54.12 4853408 24035632 2164 Average: 747354 20162768 11990424 36.49 589160 17940680 17785852 52.45 4861674 23556098 1304 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:04 lo 0.57 0.57 0.04 0.04 0.00 0.00 0.00 0.00 11:00:04 ens3 146.90 93.68 1843.47 25.62 0.00 0.00 0.00 0.00 11:00:04 docker0 12.55 25.40 0.75 595.23 0.00 0.00 0.00 0.00 11:00:04 br-4516a8a3e026 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 11:00:04 veth2332c15 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:00:04 vethda08feb 25.30 26.00 7.54 6.25 0.00 0.00 0.00 0.00 11:00:04 veth5eeca03 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:00:04 veth60f9435 0.35 0.36 0.04 0.16 0.00 0.00 0.00 0.00 11:00:04 veth08767fa 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 11:00:04 veth75259ed 20.48 19.79 6.30 3.91 0.00 0.00 0.00 0.00 11:00:04 veth36840cd 0.19 0.27 0.32 1.10 0.00 0.00 0.00 0.00 11:00:04 vethdf2ad6d 1.35 1.10 0.18 1.13 0.00 0.00 0.00 0.00 11:10:01 lo 7.60 7.60 36.19 36.19 0.00 0.00 0.00 0.00 11:10:01 ens3 15.24 10.86 6.22 6.16 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 br-4516a8a3e026 4.19 4.05 35.38 0.89 0.00 0.00 0.00 0.00 11:10:01 veth2332c15 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 11:10:01 vethda08feb 295.52 319.07 234.05 152.28 0.00 0.00 0.00 0.02 11:10:01 veth5eeca03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 veth60f9435 0.40 0.20 0.07 0.34 0.00 0.00 0.00 0.00 11:10:01 veth08767fa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 veth75259ed 130.15 119.44 112.37 76.46 0.00 0.00 0.00 0.01 11:10:01 vethdf2ad6d 197.30 183.83 90.30 161.69 0.00 0.00 0.00 0.01 Average: lo 4.07 4.07 18.03 18.03 0.00 0.00 0.00 0.00 Average: ens3 81.40 52.48 929.47 15.94 0.00 0.00 0.00 0.00 Average: docker0 6.31 12.76 0.38 299.11 0.00 0.00 0.00 0.00 Average: br-4516a8a3e026 2.23 2.14 17.61 0.45 0.00 0.00 0.00 0.00 Average: veth2332c15 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethda08feb 159.73 171.80 120.23 78.90 0.00 0.00 0.00 0.01 Average: veth5eeca03 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth60f9435 0.37 0.28 0.05 0.25 0.00 0.00 0.00 0.00 Average: veth08767fa 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth75259ed 75.04 69.37 59.07 40.00 0.00 0.00 0.00 0.00 Average: vethdf2ad6d 98.83 92.01 45.01 81.01 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1296) 05/19/26 _x86_64_ (8 CPU) 10:41:11 LINUX RESTART (8 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:04 all 15.21 0.02 2.52 2.66 0.06 79.51 11:00:04 0 14.79 0.02 2.18 1.68 0.06 81.28 11:00:04 1 14.88 0.03 2.80 4.19 0.07 78.03 11:00:04 2 14.85 0.02 2.54 1.84 0.07 80.68 11:00:04 3 14.05 0.02 2.68 1.81 0.06 81.37 11:00:04 4 15.35 0.02 2.32 1.80 0.06 80.45 11:00:04 5 15.75 0.03 2.32 4.17 0.06 77.66 11:00:04 6 16.63 0.02 2.54 3.19 0.07 77.55 11:00:04 7 15.39 0.02 2.80 2.64 0.06 79.09 11:10:01 all 7.19 0.00 1.14 0.07 0.07 91.52 11:10:01 0 6.66 0.00 1.07 0.06 0.07 92.14 11:10:01 1 8.31 0.00 1.35 0.07 0.07 90.18 11:10:01 2 7.57 0.00 1.21 0.11 0.07 91.03 11:10:01 3 6.34 0.00 1.18 0.06 0.07 92.34 11:10:01 4 6.43 0.00 1.11 0.10 0.07 92.29 11:10:01 5 7.40 0.00 1.07 0.04 0.06 91.42 11:10:01 6 7.75 0.00 1.06 0.04 0.07 91.08 11:10:01 7 7.09 0.00 1.10 0.04 0.07 91.70 Average: all 11.23 0.01 1.84 1.37 0.07 85.48 Average: 0 10.74 0.01 1.63 0.87 0.06 86.68 Average: 1 11.62 0.01 2.08 2.15 0.07 84.06 Average: 2 11.24 0.01 1.88 0.98 0.07 85.82 Average: 3 10.23 0.01 1.94 0.94 0.06 86.81 Average: 4 10.93 0.01 1.72 0.96 0.07 86.32 Average: 5 11.60 0.01 1.70 2.12 0.06 84.51 Average: 6 12.22 0.01 1.81 1.62 0.07 84.28 Average: 7 11.26 0.01 1.96 1.35 0.06 85.36