---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1087 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 18G 138G 12% / 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 790 19090 4 12211 30834 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:22:e4:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:fe22:e45b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:c0:12:b0:15:35 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::58c0:12ff:feb0:1535/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1087) 04/08/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 21.80 0.49 20.77 0.54 17.67 15457.97 574.67 00:30:08 41.10 2.24 37.65 1.21 358.45 10465.75 4846.52 Average: 31.55 1.38 29.30 0.88 189.86 12935.48 2733.17 00:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19157596 27787300 4503284 13.70 187712 8504144 4683628 13.81 2075496 10969476 248 00:30:08 19755288 31578044 694000 2.11 234788 11503700 1312968 3.87 3120768 9149540 16 Average: 19456442 29682672 2598642 7.91 211250 10003922 2998298 8.84 2598132 10059508 132 00:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 240.65 240.65 235.30 235.30 0.00 0.00 0.00 0.00 00:20:01 ens3 54.29 46.21 323.31 13.11 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:08 lo 12.38 12.38 3.09 3.09 0.00 0.00 0.00 0.00 00:30:08 ens3 174.86 185.80 327.72 2676.43 0.00 0.00 0.00 0.00 00:30:08 docker0 96.82 94.31 1362.50 160.53 0.00 0.00 0.00 0.00 Average: lo 125.31 125.31 117.97 117.97 0.00 0.00 0.00 0.00 Average: ens3 115.21 116.75 325.54 1358.84 0.00 0.00 0.00 0.00 Average: docker0 48.92 47.65 688.45 81.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1087) 04/08/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:08 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.25 0.00 1.29 0.11 0.06 71.28 00:20:01 0 20.34 0.00 1.22 0.23 0.06 78.15 00:20:01 1 31.18 0.00 1.67 0.07 0.07 67.01 00:20:01 2 26.98 0.00 1.20 0.03 0.07 71.73 00:20:01 3 29.49 0.00 1.26 0.01 0.06 69.18 00:20:01 4 30.02 0.00 1.30 0.03 0.07 68.58 00:20:01 5 28.61 0.00 1.13 0.22 0.06 69.98 00:20:01 6 27.85 0.00 1.38 0.28 0.06 70.42 00:20:01 7 23.54 0.00 1.15 0.01 0.07 75.23 00:30:08 all 9.97 0.00 1.12 0.17 0.04 88.70 00:30:08 0 8.83 0.00 0.73 0.18 0.04 90.22 00:30:08 1 9.29 0.00 0.75 0.15 0.05 89.76 00:30:08 2 13.42 0.00 1.96 0.32 0.05 84.26 00:30:08 3 16.79 0.00 1.69 0.09 0.05 81.38 00:30:08 4 9.66 0.00 1.08 0.11 0.04 89.10 00:30:08 5 7.26 0.00 1.11 0.37 0.04 91.21 00:30:08 6 10.32 0.00 0.93 0.08 0.04 88.63 00:30:08 7 4.18 0.00 0.72 0.04 0.04 95.03 Average: all 18.51 0.00 1.20 0.14 0.05 80.09 Average: 0 14.52 0.00 0.97 0.20 0.05 84.25 Average: 1 20.12 0.00 1.20 0.11 0.06 78.50 Average: 2 20.12 0.00 1.58 0.17 0.06 78.07 Average: 3 23.06 0.00 1.48 0.05 0.05 75.35 Average: 4 19.73 0.00 1.19 0.07 0.06 78.95 Average: 5 17.81 0.00 1.12 0.30 0.05 80.71 Average: 6 18.98 0.00 1.16 0.18 0.05 79.63 Average: 7 13.75 0.00 0.93 0.03 0.05 85.23