---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1482 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 25G 131G 16% / 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 860 12369 4 18861 30764 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:19:f2:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.172/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:fe19:f2aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:55:82:a8:fd:76 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::2455:82ff:fea8:fd76/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1482) 03/12/26 _x86_64_ (8 CPU) 15:25:21 LINUX RESTART (8 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:06 539.19 1.08 510.46 27.66 435.31 45120.43 561204.92 15:50:06 112.58 0.29 109.74 2.55 13.99 12590.00 102010.54 Average: 327.00 0.69 311.14 15.17 225.74 28940.02 332804.83 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:06 12501460 28371296 3847592 11.71 540496 14604504 4101164 12.09 3996804 14817580 151956 15:50:06 6156448 25164180 6996668 21.29 589772 17555680 10621480 31.32 4740420 18327700 432 Average: 9328954 26767738 5422130 16.50 565134 16080092 7361322 21.71 4368612 16572640 76194 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:06 lo 0.49 0.49 0.08 0.08 0.00 0.00 0.00 0.00 15:40:06 ens3 225.74 137.11 2175.11 33.66 0.00 0.00 0.00 0.00 15:40:06 docker0 26.05 43.95 1.49 730.16 0.00 0.00 0.00 0.00 15:40:06 veth84ddf82 7.31 10.42 0.50 87.54 0.00 0.00 0.00 0.01 15:50:06 lo 0.98 0.98 0.10 0.10 0.00 0.00 0.00 0.00 15:50:06 ens3 56.21 42.80 1071.18 9.87 0.00 0.00 0.00 0.00 15:50:06 docker0 1.45 2.76 0.09 44.92 0.00 0.00 0.00 0.00 15:50:06 br-befbaf90cec1 0.19 0.19 0.01 0.01 0.00 0.00 0.00 0.00 15:50:06 vethea4099e 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 vethec3a6eb 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:50:06 veth6814eb6 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 veth18de675 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 vethb71f8fb 0.06 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:50:06 vethe8ac599 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.74 0.74 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 141.41 90.20 1626.03 21.82 0.00 0.00 0.00 0.00 Average: docker0 13.81 23.46 0.79 389.33 0.00 0.00 0.00 0.00 Average: br-befbaf90cec1 0.10 0.09 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethea4099e 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethec3a6eb 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6814eb6 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth18de675 0.02 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb71f8fb 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe8ac599 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1482) 03/12/26 _x86_64_ (8 CPU) 15:25:21 LINUX RESTART (8 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:06 all 20.80 0.00 3.80 0.88 0.07 74.46 15:40:06 0 22.06 0.00 3.97 0.77 0.07 73.12 15:40:06 1 21.32 0.00 4.21 0.73 0.07 73.67 15:40:06 2 21.84 0.00 3.57 0.76 0.07 73.76 15:40:06 3 23.10 0.00 4.05 1.43 0.08 71.34 15:40:06 4 18.08 0.00 3.30 0.78 0.07 77.77 15:40:06 5 23.38 0.00 3.85 0.84 0.07 71.86 15:40:06 6 18.68 0.00 3.73 0.80 0.06 76.73 15:40:06 7 17.90 0.00 3.71 0.94 0.06 77.39 15:50:06 all 3.91 0.00 1.00 0.19 0.04 94.86 15:50:06 0 3.85 0.00 0.90 0.38 0.05 94.83 15:50:06 1 3.33 0.00 0.99 0.12 0.05 95.52 15:50:06 2 5.17 0.00 0.93 0.23 0.05 93.61 15:50:06 3 4.80 0.00 0.80 0.11 0.03 94.26 15:50:06 4 3.06 0.01 0.98 0.13 0.04 95.79 15:50:06 5 3.99 0.00 1.14 0.11 0.04 94.72 15:50:06 6 3.19 0.00 1.00 0.16 0.04 95.61 15:50:06 7 3.89 0.00 1.25 0.30 0.04 94.53 Average: all 12.38 0.00 2.40 0.54 0.06 84.63 Average: 0 12.98 0.00 2.44 0.57 0.06 83.95 Average: 1 12.35 0.00 2.60 0.42 0.06 84.56 Average: 2 13.55 0.00 2.26 0.49 0.06 83.64 Average: 3 13.96 0.00 2.43 0.77 0.06 82.78 Average: 4 10.60 0.00 2.14 0.45 0.06 86.75 Average: 5 13.71 0.00 2.50 0.48 0.05 83.26 Average: 6 10.95 0.00 2.37 0.48 0.05 86.14 Average: 7 10.91 0.00 2.48 0.62 0.05 85.93