---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1606 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 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 737 19046 4 12308 30887 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:c1:0a:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84388sec preferred_lft 84388sec inet6 fe80::f816:3eff:fec1:ada/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:b6:d0:eb:42:7c 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::18b6:d0ff:feeb:427c/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-1606) 08/03/26 _x86_64_ (8 CPU) 00:29:46 LINUX RESTART (8 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:04 61.22 11.41 48.22 1.59 1534.92 13149.75 2647.99 00:50:04 22.83 0.49 21.80 0.53 17.32 15589.27 1428.24 01:00:06 44.09 1.85 25.77 16.47 312.48 10013.19 484643.91 Average: 42.76 4.60 31.96 6.20 623.47 12914.77 162869.02 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:04 25403776 29568432 2741168 8.34 140132 4252256 3001344 8.85 769092 6248956 34688 00:50:04 19160244 28000548 4288764 13.05 190652 8699368 4585656 13.52 2119944 10923928 476 01:00:06 19706536 31622108 651348 1.98 230064 11598316 1319936 3.89 3109752 9210860 12 Average: 21423519 29730363 2560427 7.79 186949 8183313 2968979 8.76 1999596 8794581 11725 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:04 lo 5.54 5.54 0.53 0.53 0.00 0.00 0.00 0.00 00:40:04 ens3 155.76 119.82 1239.75 24.07 0.00 0.00 0.00 0.00 00:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:04 lo 254.30 254.30 247.64 247.64 0.00 0.00 0.00 0.00 00:50:04 ens3 57.22 47.57 338.37 12.60 0.00 0.00 0.00 0.00 00:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:06 lo 6.88 6.88 0.83 0.83 0.00 0.00 0.00 0.00 01:00:06 ens3 147.86 146.14 229.12 2691.40 0.00 0.00 0.00 0.00 01:00:06 docker0 82.65 93.36 1416.79 11.39 0.00 0.00 0.00 0.00 Average: lo 88.61 88.61 82.71 82.71 0.00 0.00 0.00 0.00 Average: ens3 120.40 104.59 603.56 909.15 0.00 0.00 0.00 0.00 Average: docker0 27.54 31.11 472.15 3.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-1606) 08/03/26 _x86_64_ (8 CPU) 00:29:46 LINUX RESTART (8 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:04 all 32.24 0.00 1.87 0.36 0.09 65.44 00:40:04 0 30.48 0.00 2.01 0.15 0.09 67.27 00:40:04 1 31.59 0.00 1.61 0.08 0.09 66.63 00:40:04 2 36.66 0.00 1.83 0.71 0.09 60.71 00:40:04 3 35.45 0.00 1.96 0.15 0.09 62.36 00:40:04 4 29.96 0.00 1.82 0.31 0.09 67.82 00:40:04 5 32.06 0.00 1.83 0.20 0.09 65.82 00:40:04 6 29.07 0.00 1.90 1.17 0.09 67.76 00:40:04 7 32.63 0.00 2.03 0.14 0.09 65.11 00:50:04 all 26.70 0.00 1.37 0.25 0.09 71.59 00:50:04 0 20.44 0.00 1.29 0.59 0.09 77.60 00:50:04 1 29.83 0.00 1.36 0.03 0.09 68.69 00:50:04 2 33.29 0.00 1.93 0.47 0.09 64.22 00:50:04 3 27.38 0.00 1.21 0.16 0.09 71.16 00:50:04 4 28.56 0.00 1.38 0.11 0.09 69.86 00:50:04 5 25.26 0.00 1.34 0.06 0.08 73.26 00:50:04 6 21.44 0.00 1.20 0.49 0.09 76.78 00:50:04 7 27.43 0.00 1.24 0.10 0.08 71.15 01:00:06 all 8.61 0.00 1.13 0.84 0.08 89.34 01:00:06 0 15.32 0.00 1.91 0.11 0.07 82.58 01:00:06 1 10.02 0.00 1.35 0.13 0.07 88.43 01:00:06 2 5.76 0.00 0.90 0.30 0.08 92.96 01:00:06 3 9.11 0.00 1.02 0.25 0.07 89.55 01:00:06 4 6.57 0.00 0.77 0.74 0.05 91.88 01:00:06 5 4.05 0.00 0.58 0.09 0.05 95.23 01:00:06 6 3.21 0.00 0.47 0.03 0.16 96.12 01:00:06 7 14.87 0.00 2.01 5.08 0.07 77.98 Average: all 22.52 0.00 1.46 0.49 0.08 75.45 Average: 0 22.09 0.00 1.74 0.28 0.08 75.80 Average: 1 23.80 0.00 1.44 0.08 0.09 74.59 Average: 2 25.24 0.00 1.55 0.49 0.09 72.62 Average: 3 23.98 0.00 1.40 0.19 0.08 74.35 Average: 4 21.69 0.00 1.32 0.39 0.07 76.53 Average: 5 20.46 0.00 1.25 0.12 0.07 78.09 Average: 6 17.92 0.00 1.19 0.57 0.11 80.22 Average: 7 24.98 0.00 1.76 1.77 0.08 71.41