---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6821 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 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 851 14249 3 16991 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:ba:b6:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.46/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:feba:b6dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:1a:ba:0e:55:ee 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::b41a:baff:fe0e:55ee/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-6821) 04/28/26 _x86_64_ (8 CPU) 13:37:41 LINUX RESTART (8 CPU) 13:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:08 557.17 0.68 540.97 15.51 24.49 55165.71 80040.64 14:00:11 121.93 1.10 117.15 3.68 38.76 18609.40 8349.08 14:10:03 12.24 0.89 11.05 0.30 22.34 573.12 2010.37 Average: 232.03 0.89 224.59 6.54 28.57 24955.01 30340.78 13:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:08 8655484 25220380 6996560 21.29 533192 15304160 7038240 20.75 4217032 18475904 1071396 14:00:11 237840 18815560 13337404 40.59 569624 17136680 18824252 55.51 4687320 24255988 1692 14:10:03 250656 17756900 14396128 43.81 566804 16085468 19951844 58.84 4566408 24371408 476 Average: 3047993 20597613 11576697 35.23 556540 16175436 15271445 45.03 4490253 22367767 357855 13:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:08 lo 0.40 0.40 0.08 0.08 0.00 0.00 0.00 0.00 13:50:08 ens3 475.16 284.82 2394.08 97.22 0.00 0.00 0.00 0.00 13:50:08 docker0 22.94 38.84 1.36 703.07 0.00 0.00 0.00 0.00 14:00:11 lo 0.62 0.62 0.07 0.07 0.00 0.00 0.00 0.00 14:00:11 ens3 84.97 57.26 1177.10 22.49 0.00 0.00 0.00 0.00 14:00:11 docker0 4.79 10.79 0.28 247.50 0.00 0.00 0.00 0.00 14:00:11 br-298864aa0510 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 14:00:11 veth32e4862 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 14:00:11 veth2172423 0.38 0.38 0.04 0.20 0.00 0.00 0.00 0.00 14:00:11 vethac8539e 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:00:11 vethb800744 46.43 45.85 46.52 16.24 0.00 0.00 0.00 0.00 14:00:11 veth231147d 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:00:11 vethda33e06 39.08 38.61 20.69 29.11 0.00 0.00 0.00 0.00 14:00:11 veth38d0bf5 0.48 0.83 0.64 5.65 0.00 0.00 0.00 0.00 14:00:11 veth943ecda 1.55 1.25 0.22 1.31 0.00 0.00 0.00 0.00 14:10:03 lo 11.76 11.76 57.62 57.62 0.00 0.00 0.00 0.00 14:10:03 ens3 137.64 120.63 38.71 53.09 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 br-298864aa0510 6.49 6.58 56.43 1.35 0.00 0.00 0.00 0.00 14:10:03 veth32e4862 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 veth2172423 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 14:10:03 vethac8539e 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 vethb800744 371.00 395.07 327.62 177.69 0.00 0.00 0.00 0.03 14:10:03 veth231147d 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 14:10:03 vethda33e06 153.75 146.48 129.73 130.54 0.00 0.00 0.00 0.01 14:10:03 veth943ecda 251.40 234.48 115.40 201.81 0.00 0.00 0.00 0.02 Average: lo 4.21 4.21 19.00 19.00 0.00 0.00 0.00 0.00 Average: ens3 233.33 154.52 1211.45 57.65 0.00 0.00 0.00 0.00 Average: docker0 9.31 16.66 0.55 319.10 0.00 0.00 0.00 0.00 Average: br-298864aa0510 2.23 2.25 18.56 0.45 0.00 0.00 0.00 0.00 Average: veth32e4862 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2172423 0.26 0.19 0.04 0.18 0.00 0.00 0.00 0.00 Average: vethac8539e 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb800744 137.57 145.29 123.33 63.88 0.00 0.00 0.00 0.01 Average: veth231147d 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethda33e06 63.66 61.11 49.60 52.69 0.00 0.00 0.00 0.00 Average: veth943ecda 83.19 77.53 38.02 66.80 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-6821) 04/28/26 _x86_64_ (8 CPU) 13:37:41 LINUX RESTART (8 CPU) 13:40:03 CPU %user %nice %system %iowait %steal %idle 13:50:08 all 37.71 0.00 4.48 0.89 0.11 56.81 13:50:08 0 38.15 0.00 4.06 0.61 0.11 57.07 13:50:08 1 38.02 0.00 4.40 1.48 0.11 55.98 13:50:08 2 39.52 0.00 4.31 0.65 0.10 55.41 13:50:08 3 44.04 0.00 4.97 0.62 0.11 50.26 13:50:08 4 34.00 0.00 4.49 0.84 0.10 60.57 13:50:08 5 30.72 0.00 4.50 1.19 0.11 63.48 13:50:08 6 41.85 0.00 4.40 0.95 0.11 52.69 13:50:08 7 35.35 0.00 4.70 0.81 0.10 59.03 14:00:11 all 9.83 0.02 1.54 0.35 0.07 88.20 14:00:11 0 9.43 0.02 1.65 0.36 0.06 88.47 14:00:11 1 10.24 0.02 1.85 0.28 0.06 87.54 14:00:11 2 11.16 0.00 1.42 0.65 0.07 86.69 14:00:11 3 11.23 0.01 1.54 0.64 0.06 86.51 14:00:11 4 8.69 0.04 1.43 0.19 0.06 89.59 14:00:11 5 9.12 0.02 1.45 0.27 0.08 89.07 14:00:11 6 8.79 0.03 1.47 0.29 0.06 89.35 14:00:11 7 9.96 0.01 1.50 0.10 0.07 88.36 14:10:03 all 8.24 0.00 1.65 0.03 0.09 89.99 14:10:03 0 7.87 0.00 1.59 0.02 0.07 90.45 14:10:03 1 8.20 0.00 1.67 0.04 0.09 89.99 14:10:03 2 9.50 0.00 1.76 0.02 0.09 88.63 14:10:03 3 8.92 0.00 1.44 0.04 0.09 89.51 14:10:03 4 8.83 0.00 1.42 0.03 0.08 89.63 14:10:03 5 7.11 0.00 1.61 0.05 0.09 91.13 14:10:03 6 7.17 0.00 1.87 0.03 0.09 90.85 14:10:03 7 8.33 0.00 1.81 0.02 0.08 89.76 Average: all 18.67 0.01 2.56 0.43 0.09 78.24 Average: 0 18.57 0.01 2.44 0.33 0.08 78.57 Average: 1 18.91 0.01 2.65 0.61 0.09 77.74 Average: 2 20.15 0.00 2.51 0.44 0.09 76.81 Average: 3 21.50 0.00 2.66 0.43 0.09 75.31 Average: 4 17.23 0.01 2.45 0.36 0.08 79.86 Average: 5 15.72 0.01 2.53 0.51 0.09 81.15 Average: 6 19.35 0.01 2.58 0.43 0.09 77.54 Average: 7 17.95 0.00 2.67 0.31 0.09 78.97