---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1893 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: 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 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 744 19049 4 12297 30879 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:da:3e:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84544sec preferred_lft 84544sec inet6 fe80::f816:3eff:feda:3ee0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:91:0f:77:e9:36 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::9091:fff:fe77:e936/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1893) 08/04/26 _x86_64_ (8 CPU) 00:36:42 LINUX RESTART (8 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 13.01 0.26 12.16 0.59 10.04 5543.84 2955.55 01:00:00 32.78 1.96 29.86 0.97 284.57 23239.22 1308.62 Average: 22.82 1.10 20.94 0.78 146.28 14325.20 2138.26 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 24060628 28433544 3874752 11.79 146108 4438296 3939960 11.62 823140 7518584 588 01:00:00 20323376 31726580 554396 1.69 217208 11133888 1335300 3.94 2996788 8788032 47888 Average: 22192002 30080062 2214574 6.74 181658 7786092 2637630 7.78 1909964 8153308 24238 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 5.71 5.71 0.55 0.55 0.00 0.00 0.00 0.00 00:50:09 ens3 67.78 53.99 304.38 13.67 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 01:00:00 lo 240.04 240.04 234.95 234.95 0.00 0.00 0.00 0.00 01:00:00 ens3 74.81 60.85 368.99 14.71 0.00 0.00 0.00 0.00 01:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 122.00 122.00 116.87 116.87 0.00 0.00 0.00 0.00 Average: ens3 71.27 57.39 336.44 14.19 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1893) 08/04/26 _x86_64_ (8 CPU) 00:36:42 LINUX RESTART (8 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 39.94 0.00 1.33 0.04 0.08 58.61 00:50:09 0 36.39 0.00 1.23 0.04 0.08 62.27 00:50:09 1 42.24 0.00 1.50 0.03 0.08 56.15 00:50:09 2 41.73 0.00 1.53 0.12 0.08 56.54 00:50:09 3 43.02 0.00 1.47 0.07 0.09 55.36 00:50:09 4 39.41 0.00 1.02 0.01 0.07 59.50 00:50:09 5 40.26 0.00 1.30 0.01 0.08 58.35 00:50:09 6 39.87 0.00 1.36 0.03 0.08 58.66 00:50:09 7 36.60 0.00 1.27 0.02 0.07 62.04 01:00:00 all 19.28 0.00 1.18 0.15 0.06 79.33 01:00:00 0 15.88 0.00 1.16 0.05 0.07 82.84 01:00:00 1 21.24 0.00 1.40 0.26 0.06 77.04 01:00:00 2 21.37 0.00 1.22 0.38 0.06 76.97 01:00:00 3 15.58 0.00 1.14 0.21 0.06 83.01 01:00:00 4 15.86 0.00 1.13 0.03 0.06 82.92 01:00:00 5 25.46 0.00 1.45 0.02 0.06 73.01 01:00:00 6 23.88 0.00 1.01 0.10 0.06 74.94 01:00:00 7 14.95 0.00 0.90 0.14 0.06 83.95 Average: all 29.69 0.00 1.26 0.09 0.07 68.90 Average: 0 26.22 0.00 1.19 0.05 0.07 72.47 Average: 1 31.82 0.00 1.45 0.14 0.07 66.52 Average: 2 31.62 0.00 1.37 0.25 0.07 66.69 Average: 3 29.41 0.00 1.30 0.14 0.07 69.08 Average: 4 27.72 0.00 1.07 0.02 0.06 71.12 Average: 5 32.91 0.00 1.38 0.01 0.07 65.63 Average: 6 31.94 0.00 1.19 0.07 0.07 66.74 Average: 7 25.85 0.00 1.09 0.08 0.07 72.92