---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1916 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 12G 144G 8% / 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 918 24977 4 6196 30705 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:58:7b:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83581sec preferred_lft 83581sec inet6 fe80::f816:3eff:fe58:7b93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:17:e8:53:9d:39 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1916) 04/11/26 _x86_64_ (8 CPU) 02:31:24 LINUX RESTART (8 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 44.94 2.12 25.09 17.72 131.81 4235.88 514290.67 03:00:01 37.73 0.02 32.59 5.12 0.77 2694.86 16249.40 03:10:01 33.16 0.02 29.17 3.98 0.16 3016.47 17281.08 Average: 38.61 0.72 28.95 8.94 44.25 3315.84 182607.40 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 26098924 29624472 2685460 8.17 167520 3587124 2702092 7.97 710716 5597516 52684 03:00:01 25650768 29549088 2756804 8.39 198280 3891704 3360740 9.91 823776 5908196 17224 03:10:01 23677396 28263456 4038164 12.29 224584 4503208 3971040 11.71 973484 7666572 173380 Average: 25142363 29145672 3160143 9.62 196795 3994012 3344624 9.86 835992 6390761 81096 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1258.13 1258.13 1196.89 1196.89 0.00 0.00 0.00 0.00 02:50:01 ens3 90.33 65.48 446.24 19.74 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 lo 2150.45 2150.45 2049.51 2049.51 0.00 0.00 0.00 0.00 03:00:01 ens3 46.48 33.42 18.27 13.84 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 1554.79 1554.79 1480.56 1480.56 0.00 0.00 0.00 0.00 03:10:01 ens3 48.38 33.65 19.02 14.80 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1654.25 1654.25 1575.46 1575.46 0.00 0.00 0.00 0.00 Average: ens3 61.73 44.18 161.18 16.13 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1916) 04/11/26 _x86_64_ (8 CPU) 02:31:24 LINUX RESTART (8 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 40.65 0.00 1.65 0.07 0.08 57.55 02:50:01 0 36.40 0.00 1.54 0.07 0.08 61.92 02:50:01 1 38.68 0.00 1.71 0.10 0.08 59.44 02:50:01 2 40.96 0.00 1.76 0.03 0.09 57.17 02:50:01 3 45.89 0.00 1.74 0.05 0.08 52.24 02:50:01 4 42.98 0.00 1.33 0.03 0.08 55.58 02:50:01 5 39.05 0.00 1.53 0.10 0.08 59.24 02:50:01 6 40.48 0.00 1.81 0.10 0.08 57.53 02:50:01 7 40.79 0.00 1.76 0.07 0.08 57.30 03:00:01 all 35.78 0.00 1.81 0.07 0.09 62.26 03:00:01 0 35.18 0.00 1.93 0.08 0.09 62.72 03:00:01 1 35.71 0.00 1.75 0.09 0.08 62.37 03:00:01 2 38.58 0.00 1.86 0.03 0.09 59.45 03:00:01 3 40.56 0.00 1.92 0.04 0.09 57.39 03:00:01 4 38.65 0.00 1.80 0.06 0.09 59.40 03:00:01 5 28.91 0.00 1.60 0.05 0.08 69.36 03:00:01 6 33.58 0.00 1.67 0.16 0.08 64.51 03:00:01 7 35.05 0.00 1.93 0.06 0.08 62.87 03:10:01 all 36.49 0.00 1.76 0.12 0.09 61.54 03:10:01 0 38.01 0.00 1.82 0.04 0.09 60.04 03:10:01 1 37.05 0.00 1.65 0.04 0.09 61.18 03:10:01 2 33.86 0.00 2.03 0.07 0.09 63.95 03:10:01 3 38.08 0.00 1.71 0.03 0.09 60.09 03:10:01 4 37.26 0.00 1.75 0.05 0.09 60.86 03:10:01 5 38.20 0.00 1.77 0.04 0.10 59.89 03:10:01 6 35.42 0.00 1.85 0.59 0.09 62.04 03:10:01 7 34.04 0.00 1.53 0.06 0.09 64.29 Average: all 37.64 0.00 1.74 0.08 0.09 60.45 Average: 0 36.53 0.00 1.76 0.06 0.09 61.56 Average: 1 37.14 0.00 1.70 0.08 0.08 60.99 Average: 2 37.80 0.00 1.88 0.04 0.09 60.19 Average: 3 41.51 0.00 1.79 0.04 0.09 56.57 Average: 4 39.63 0.00 1.63 0.04 0.09 58.61 Average: 5 35.38 0.00 1.63 0.06 0.09 62.83 Average: 6 36.50 0.00 1.78 0.29 0.08 61.36 Average: 7 36.63 0.00 1.74 0.06 0.08 61.49