---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4487 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 22G 134G 14% / 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 816 16420 4 14855 30808 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:e5:e6:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.0/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83580sec preferred_lft 83580sec inet6 fe80::f816:3eff:fee5:e6d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:40:90:fb:b4:49 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::b040:90ff:fefb:b449/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4487) 08/06/26 _x86_64_ (8 CPU) 07:08:54 LINUX RESTART (8 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:00 15.49 0.04 1.67 13.77 1.29 20.49 508857.82 07:30:00 1.65 0.20 1.44 0.01 1.71 17.05 11.33 07:40:00 1.34 0.00 1.34 0.00 0.21 15.40 0.00 07:50:00 360.47 6.65 339.28 14.54 701.17 51727.77 68002.36 Average: 94.74 1.72 85.94 7.08 176.10 12945.18 144217.88 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:00 30138272 31806324 581196 1.77 59996 1946776 1520924 4.49 191700 2252336 4 07:30:00 30132072 31801356 586260 1.78 61084 1946820 1521376 4.49 192796 2260584 4 07:40:00 30126772 31796820 590560 1.80 61668 1947032 1521824 4.49 193388 2269716 4 07:50:00 13221160 28039204 4183224 12.73 258184 14385776 10909728 32.17 3347144 15288056 992 Average: 25904569 30860926 1485310 4.52 110233 5056601 3868463 11.41 981257 5517673 251 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:20:00 ens3 0.38 0.26 0.17 0.28 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:00 ens3 0.31 0.22 0.12 0.24 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:00 ens3 0.35 0.22 0.13 0.26 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 07:50:00 ens3 278.25 180.36 4145.89 39.21 0.00 0.00 0.00 0.00 07:50:00 docker0 9.87 15.85 0.70 255.25 0.00 0.00 0.00 0.00 07:50:00 br-48a87c81ae35 1.35 2.42 0.10 34.96 0.00 0.00 0.00 0.00 07:50:00 veth6eff3a5 20.42 15.40 2.92 2.48 0.00 0.00 0.00 0.00 07:50:00 veth97c4691 4.06 4.21 0.46 25.26 0.00 0.00 0.00 0.00 07:50:00 veth38bfe06 7.88 9.50 3.88 1.80 0.00 0.00 0.00 0.00 07:50:00 veth9363951 1.63 1.78 0.15 1.77 0.00 0.00 0.00 0.00 07:50:00 veth0fb2e17 1.07 2.43 0.09 34.89 0.00 0.00 0.00 0.00 07:50:00 vethc983749 3.61 4.57 3.27 0.66 0.00 0.00 0.00 0.00 07:50:00 veth0841196 3.03 4.01 2.75 0.54 0.00 0.00 0.00 0.00 07:50:00 vethcd01765 3.19 4.25 2.79 0.61 0.00 0.00 0.00 0.00 07:50:00 veth1789c25 3.42 4.41 2.90 0.64 0.00 0.00 0.00 0.00 07:50:00 veth4f01276 2.83 3.79 2.74 0.47 0.00 0.00 0.00 0.00 07:50:00 vetha09431d 7.98 7.78 9.21 2.16 0.00 0.00 0.00 0.00 07:50:00 veth09dbb74 6.49 6.41 7.93 2.48 0.00 0.00 0.00 0.00 07:50:00 veth3aec231 0.88 0.75 0.21 0.43 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 69.82 45.26 1036.58 10.00 0.00 0.00 0.00 0.00 Average: docker0 2.47 3.96 0.17 63.81 0.00 0.00 0.00 0.00 Average: br-48a87c81ae35 0.34 0.60 0.02 8.74 0.00 0.00 0.00 0.00 Average: veth6eff3a5 5.10 3.85 0.73 0.62 0.00 0.00 0.00 0.00 Average: veth97c4691 1.02 1.05 0.12 6.32 0.00 0.00 0.00 0.00 Average: veth38bfe06 1.97 2.37 0.97 0.45 0.00 0.00 0.00 0.00 Average: veth9363951 0.41 0.44 0.04 0.44 0.00 0.00 0.00 0.00 Average: veth0fb2e17 0.27 0.61 0.02 8.72 0.00 0.00 0.00 0.00 Average: vethc983749 0.90 1.14 0.82 0.16 0.00 0.00 0.00 0.00 Average: veth0841196 0.76 1.00 0.69 0.14 0.00 0.00 0.00 0.00 Average: vethcd01765 0.80 1.06 0.70 0.15 0.00 0.00 0.00 0.00 Average: veth1789c25 0.85 1.10 0.72 0.16 0.00 0.00 0.00 0.00 Average: veth4f01276 0.71 0.95 0.68 0.12 0.00 0.00 0.00 0.00 Average: vetha09431d 1.99 1.94 2.30 0.54 0.00 0.00 0.00 0.00 Average: veth09dbb74 1.62 1.60 1.98 0.62 0.00 0.00 0.00 0.00 Average: veth3aec231 0.22 0.19 0.05 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4487) 08/06/26 _x86_64_ (8 CPU) 07:08:54 LINUX RESTART (8 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:00 all 0.10 0.00 0.02 0.04 0.01 99.83 07:20:00 0 0.01 0.00 0.03 0.15 0.01 99.80 07:20:00 1 0.02 0.00 0.01 0.00 0.00 99.96 07:20:00 2 0.02 0.00 0.01 0.00 0.01 99.96 07:20:00 3 0.40 0.00 0.02 0.00 0.00 99.57 07:20:00 4 0.28 0.00 0.04 0.16 0.02 99.50 07:20:00 5 0.02 0.00 0.02 0.00 0.01 99.96 07:20:00 6 0.03 0.00 0.02 0.00 0.01 99.94 07:20:00 7 0.03 0.00 0.02 0.00 0.00 99.95 07:30:00 all 0.05 0.00 0.02 0.21 0.08 99.65 07:30:00 0 0.01 0.00 0.01 0.00 0.05 99.94 07:30:00 1 0.02 0.00 0.03 0.20 0.01 99.73 07:30:00 2 0.25 0.00 0.01 0.00 0.13 99.61 07:30:00 3 0.02 0.00 0.02 0.01 0.07 99.88 07:30:00 4 0.01 0.00 0.02 1.31 0.21 98.45 07:30:00 5 0.01 0.00 0.02 0.00 0.14 99.83 07:30:00 6 0.03 0.00 0.02 0.12 0.05 99.78 07:30:00 7 0.02 0.00 0.01 0.00 0.01 99.96 07:40:00 all 0.11 0.00 0.02 1.02 0.24 98.62 07:40:00 0 0.02 0.00 0.03 2.04 0.21 97.69 07:40:00 1 0.02 0.00 0.02 0.00 0.20 99.76 07:40:00 2 0.78 0.00 0.02 0.00 0.28 98.91 07:40:00 3 0.01 0.00 0.02 0.00 0.28 99.69 07:40:00 4 0.01 0.00 0.01 0.03 0.21 99.74 07:40:00 5 0.02 0.00 0.02 6.09 0.22 93.65 07:40:00 6 0.01 0.00 0.01 0.00 0.18 99.79 07:40:00 7 0.01 0.00 0.01 0.00 0.30 99.68 07:50:00 all 16.50 0.00 3.22 1.76 0.07 78.45 07:50:00 0 18.46 0.00 3.52 2.91 0.08 75.02 07:50:00 1 14.53 0.00 3.21 1.25 0.07 80.94 07:50:00 2 18.23 0.00 3.52 1.92 0.08 76.26 07:50:00 3 14.62 0.00 3.04 1.44 0.07 80.83 07:50:00 4 15.13 0.00 3.05 0.93 0.07 80.81 07:50:00 5 15.84 0.00 3.08 1.72 0.08 79.28 07:50:00 6 16.00 0.00 3.31 1.70 0.07 78.91 07:50:00 7 19.16 0.00 3.01 2.18 0.07 75.57 Average: all 4.17 0.00 0.81 0.75 0.10 94.16 Average: 0 4.62 0.00 0.90 1.27 0.09 93.12 Average: 1 3.63 0.00 0.82 0.36 0.07 95.12 Average: 2 4.79 0.00 0.88 0.48 0.12 93.73 Average: 3 3.74 0.00 0.77 0.36 0.11 95.02 Average: 4 3.85 0.00 0.78 0.61 0.13 94.64 Average: 5 3.95 0.00 0.78 1.95 0.11 93.20 Average: 6 4.00 0.00 0.84 0.46 0.08 94.63 Average: 7 4.79 0.00 0.76 0.54 0.10 93.82