---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6501 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 29G 127G 19% / 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 818 8011 4 23262 30805 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:8e:32:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.104/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84625sec preferred_lft 84625sec inet6 fe80::f816:3eff:fe8e:32c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:f5:06:d1:07:44 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::4f5:6ff:fed1:744/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-6501) 07/08/26 _x86_64_ (8 CPU) 07:58:48 LINUX RESTART (8 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:00 305.34 1.61 291.72 12.01 92.61 47503.08 599127.97 08:20:00 241.17 0.37 232.67 8.13 7.23 47331.56 445739.70 Average: 273.26 0.99 262.20 10.07 49.92 47417.32 522434.47 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:00 19792620 31255252 1018508 3.10 283332 11096368 1665252 4.91 3678008 8571176 7864 08:20:00 10914524 30997392 1237312 3.77 427328 19189740 1953384 5.76 9144248 11563736 109520 Average: 15353572 31126322 1127910 3.43 355330 15143054 1809318 5.34 6411128 10067456 58692 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:00 lo 0.77 0.77 0.08 0.08 0.00 0.00 0.00 0.00 08:10:00 ens3 195.56 133.48 2420.69 1554.94 0.00 0.00 0.00 0.00 08:10:00 docker0 14.39 42.34 0.95 817.28 0.00 0.00 0.00 0.00 08:10:00 veth5a957fd 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 08:20:00 ens3 133.25 86.18 1484.94 2191.41 0.00 0.00 0.00 0.00 08:20:00 docker0 16.38 26.18 1.43 341.37 0.00 0.00 0.00 0.00 08:20:00 veth80eab04 6.79 9.12 0.46 135.12 0.00 0.00 0.00 0.01 Average: lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 164.40 109.83 1952.82 1873.17 0.00 0.00 0.00 0.00 Average: docker0 15.39 34.26 1.19 579.33 0.00 0.00 0.00 0.00 Average: veth80eab04 3.40 4.56 0.23 67.56 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-6501) 07/08/26 _x86_64_ (8 CPU) 07:58:48 LINUX RESTART (8 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:00 all 8.00 0.00 2.63 2.57 0.06 86.75 08:10:00 0 4.87 0.00 1.84 0.99 0.05 92.25 08:10:00 1 11.03 0.00 3.16 3.46 0.06 82.30 08:10:00 2 8.82 0.00 2.59 3.71 0.05 84.83 08:10:00 3 7.69 0.00 2.71 2.54 0.06 87.01 08:10:00 4 7.26 0.00 2.53 1.52 0.06 88.63 08:10:00 5 7.53 0.00 2.69 2.00 0.06 87.73 08:10:00 6 9.20 0.00 2.76 3.10 0.06 84.88 08:10:00 7 7.58 0.00 2.77 3.26 0.06 86.34 08:20:00 all 6.87 0.00 2.76 4.69 0.05 85.62 08:20:00 0 5.73 0.00 2.17 1.15 0.04 90.91 08:20:00 1 7.38 0.00 2.84 4.26 0.06 85.46 08:20:00 2 6.76 0.00 3.13 5.25 0.06 84.81 08:20:00 3 5.86 0.00 2.72 3.65 0.05 87.72 08:20:00 4 7.99 0.00 2.97 9.41 0.06 79.58 08:20:00 5 8.04 0.00 2.95 4.78 0.06 84.17 08:20:00 6 6.90 0.00 2.82 5.43 0.06 84.79 08:20:00 7 6.30 0.00 2.49 3.63 0.05 87.53 Average: all 7.43 0.00 2.70 3.63 0.05 86.18 Average: 0 5.30 0.00 2.01 1.07 0.04 91.58 Average: 1 9.21 0.00 3.00 3.86 0.06 83.88 Average: 2 7.79 0.00 2.86 4.48 0.05 84.82 Average: 3 6.77 0.00 2.71 3.10 0.05 87.36 Average: 4 7.62 0.00 2.75 5.47 0.06 84.10 Average: 5 7.78 0.00 2.82 3.39 0.06 85.95 Average: 6 8.05 0.00 2.79 4.26 0.06 84.84 Average: 7 6.94 0.00 2.63 3.44 0.06 86.93