---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-16100 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 138G 11% / 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 764 19162 4 12164 30859 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:25:1f:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:fe25:1fa5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:3f:eb:c8:32:13 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::803f:ebff:fec8:3213/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-16100) 05/18/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 41.77 12.48 13.74 15.55 541.71 5493.60 509049.77 01:00:07 43.53 1.95 40.65 0.93 286.64 22832.06 2315.37 Average: 42.65 7.23 27.16 8.26 414.56 14136.86 256441.66 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 24328948 28854484 3452212 10.51 148976 4580248 3637068 10.73 1000572 7054800 140 01:00:07 20090740 31654184 619864 1.89 225196 11258592 1462352 4.31 3140968 8802716 59652 Average: 22209844 30254334 2036038 6.20 187086 7919420 2549710 7.52 2070770 7928758 29896 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 5.65 5.65 0.54 0.54 0.00 0.00 0.00 0.00 00:50:09 ens3 64.65 48.26 361.08 12.83 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:07 lo 4224.54 4224.54 4035.92 4035.92 0.00 0.00 0.00 0.00 01:00:07 ens3 68.04 53.08 551.49 13.15 0.00 0.00 0.00 0.00 01:00:07 docker0 3.57 4.05 0.22 90.69 0.00 0.00 0.00 0.00 01:00:07 veth7adaecb 3.57 4.05 0.27 90.69 0.00 0.00 0.00 0.01 Average: lo 2108.77 2108.77 2012.19 2012.19 0.00 0.00 0.00 0.00 Average: ens3 66.34 50.66 456.00 12.99 0.00 0.00 0.00 0.00 Average: docker0 1.78 2.02 0.11 45.21 0.00 0.00 0.00 0.00 Average: veth7adaecb 1.78 2.02 0.13 45.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-16100) 05/18/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 38.67 0.04 1.37 0.09 0.09 59.73 00:50:09 0 30.53 0.02 1.36 0.07 0.09 67.93 00:50:09 1 38.17 0.20 1.40 0.14 0.09 59.99 00:50:09 2 42.06 0.00 1.50 0.04 0.10 56.28 00:50:09 3 39.95 0.02 1.24 0.15 0.10 58.55 00:50:09 4 41.71 0.01 1.47 0.05 0.10 56.66 00:50:09 5 45.42 0.00 1.48 0.08 0.10 52.91 00:50:09 6 37.00 0.06 1.38 0.17 0.10 61.30 00:50:09 7 34.57 0.02 1.11 0.04 0.08 64.18 01:00:07 all 18.92 0.00 2.15 0.16 0.06 78.71 01:00:07 0 13.86 0.00 1.40 0.07 0.05 84.62 01:00:07 1 20.58 0.00 3.25 0.13 0.06 75.98 01:00:07 2 23.17 0.00 3.82 0.16 0.07 72.78 01:00:07 3 17.73 0.00 1.31 0.13 0.06 80.76 01:00:07 4 25.77 0.00 2.88 0.04 0.07 71.24 01:00:07 5 17.59 0.00 1.50 0.46 0.05 80.39 01:00:07 6 19.55 0.00 1.91 0.10 0.06 78.38 01:00:07 7 13.14 0.00 1.12 0.22 0.05 85.46 Average: all 28.84 0.02 1.76 0.13 0.08 69.18 Average: 0 22.23 0.01 1.38 0.07 0.07 76.24 Average: 1 29.43 0.10 2.32 0.14 0.08 67.94 Average: 2 32.68 0.00 2.66 0.10 0.09 64.48 Average: 3 28.88 0.01 1.28 0.14 0.08 69.62 Average: 4 33.78 0.01 2.17 0.04 0.08 63.92 Average: 5 31.56 0.00 1.49 0.27 0.08 66.60 Average: 6 28.31 0.03 1.64 0.14 0.08 69.80 Average: 7 23.89 0.01 1.12 0.13 0.07 74.78