---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-52894 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 755 18986 4 12350 30869 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:07:71:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84361sec preferred_lft 84361sec inet6 fe80::f816:3eff:fe07:712a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:72:77:c3:8a:cd 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::c072:77ff:fec3:8acd/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-52894) 03/26/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 18.89 0.31 18.15 0.43 11.73 10662.79 183.83 00:30:05 65.13 2.19 46.33 16.62 357.18 15245.11 484364.35 Average: 42.16 1.25 32.33 8.58 185.60 12969.11 243875.92 00:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 21071132 29005688 3288644 10.01 176748 7853568 3455860 10.19 2015460 9180880 616892 00:30:05 19731176 31690436 582000 1.77 235048 11638144 1389100 4.10 3189096 9114464 180 Average: 20401154 30348062 1935322 5.89 205898 9745856 2422480 7.14 2602278 9147672 308536 00:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.52 1.52 0.16 0.16 0.00 0.00 0.00 0.00 00:20:01 ens3 54.25 47.22 214.83 13.70 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 00:30:05 lo 419.84 419.84 409.62 409.62 0.00 0.00 0.00 0.00 00:30:05 ens3 114.57 112.74 425.38 1373.27 0.00 0.00 0.00 0.00 00:30:05 docker0 91.54 83.26 1366.55 160.32 0.00 0.00 0.00 0.00 00:30:05 vethf9ac2bf 85.08 74.79 1367.31 10.04 0.00 0.00 0.00 0.11 Average: lo 212.06 212.06 206.24 206.24 0.00 0.00 0.00 0.00 Average: ens3 84.61 80.20 320.80 697.98 0.00 0.00 0.00 0.00 Average: docker0 46.07 41.91 687.79 80.69 0.00 0.00 0.00 0.00 Average: vethf9ac2bf 42.82 37.64 688.18 5.05 0.00 0.00 0.00 0.06 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-52894) 03/26/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:05 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 29.52 0.00 1.29 0.65 0.08 68.46 00:20:01 0 25.98 0.00 1.27 0.72 0.07 71.96 00:20:01 1 25.63 0.00 1.18 0.69 0.07 72.44 00:20:01 2 38.86 0.00 1.63 0.48 0.09 58.95 00:20:01 3 26.52 0.00 1.09 0.23 0.08 72.09 00:20:01 4 27.66 0.00 1.40 1.16 0.08 69.70 00:20:01 5 35.74 0.00 1.48 0.91 0.08 61.79 00:20:01 6 28.26 0.00 1.19 0.67 0.08 69.80 00:20:01 7 27.51 0.00 1.09 0.34 0.08 70.98 00:30:05 all 9.66 0.00 1.25 2.13 0.04 86.92 00:30:05 0 8.58 0.00 0.94 2.17 0.04 88.27 00:30:05 1 10.29 0.00 0.99 1.31 0.04 87.37 00:30:05 2 10.97 0.00 2.09 2.48 0.05 84.42 00:30:05 3 8.40 0.00 1.16 1.96 0.05 88.43 00:30:05 4 11.22 0.00 1.59 0.93 0.05 86.21 00:30:05 5 9.76 0.00 1.34 1.93 0.04 86.93 00:30:05 6 8.03 0.00 0.98 3.35 0.04 87.60 00:30:05 7 10.02 0.00 0.90 2.93 0.04 86.10 Average: all 19.51 0.00 1.27 1.40 0.06 77.77 Average: 0 17.21 0.00 1.10 1.45 0.06 80.18 Average: 1 17.90 0.00 1.08 1.00 0.06 79.96 Average: 2 24.80 0.00 1.86 1.48 0.07 71.79 Average: 3 17.39 0.00 1.13 1.10 0.06 80.32 Average: 4 19.37 0.00 1.50 1.04 0.07 78.02 Average: 5 22.64 0.00 1.41 1.42 0.06 74.46 Average: 6 18.06 0.00 1.09 2.02 0.06 78.78 Average: 7 18.69 0.00 0.99 1.64 0.06 78.61