---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23111 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5599.86 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 693 12158 4 3137 14953 Swap: 1023 24 999 ---> 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:84:7d:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79343sec preferred_lft 79343sec inet6 fe80::f816:3eff:fe84:7d46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:23:ab:b3:34:81 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::ec23:abff:feb3:3481/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23111) 06/03/26 _x86_64_ (4 CPU) 08:42:19 LINUX RESTART (4 CPU) 08:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:23 66.23 12.59 50.99 2.65 816.99 5007.87 2445.30 09:10:24 25.30 9.45 14.98 0.88 202.64 416.57 968.77 09:20:04 8.11 0.47 7.29 0.34 25.75 268.25 1136.90 09:30:09 10.99 0.08 10.36 0.56 3.70 576.47 732.92 09:40:09 18.84 1.45 16.56 0.83 44.44 518.49 275.55 09:50:26 5.02 0.03 4.83 0.16 1.26 128.77 365.99 10:00:10 5.10 0.00 4.89 0.21 0.27 144.08 87.85 10:10:10 7.79 0.01 7.43 0.35 1.36 258.68 305.51 10:20:11 5.73 0.00 5.56 0.16 0.53 168.63 77.68 10:30:12 9.65 0.07 9.23 0.35 7.80 598.79 221.15 Average: 16.43 2.45 13.32 0.65 112.47 820.89 665.44 08:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:23 2057212 3831548 12105876 73.94 264528 1621304 13075056 75.05 1124172 12735064 432 09:10:24 4734456 6589588 9350284 57.11 267064 1698916 10516548 60.36 1219340 9947112 324 09:20:04 11421820 13302908 2641960 16.14 267872 1724092 4449400 25.54 1230604 3288820 7596 09:30:09 10158048 12151460 3792740 23.16 272388 1830304 4917496 28.23 1279452 4510260 260 09:40:09 9519088 11589584 4354020 26.59 275424 1904176 5241536 30.09 1300000 5119560 256 09:50:26 9243572 11330720 4612836 28.17 275912 1920332 5347000 30.69 1301468 5389100 276 10:00:10 9354996 11461976 4481520 27.37 276648 1939416 5211908 29.92 1302892 5277724 360 10:10:10 7930852 10078712 5864228 35.82 277484 1979400 6715008 38.54 1308376 6692984 204 10:20:11 9273780 11446900 4496916 27.47 278212 2003920 5328612 30.59 1310840 5354128 352 10:30:12 8955008 11269696 4673668 28.54 282556 2134988 5282164 30.32 1326408 5652040 172 Average: 8264883 10305309 5637405 34.43 273809 1875685 6608473 37.93 1270355 6396679 1023 08:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:23 lo 27.67 27.67 20.98 20.98 0.00 0.00 0.00 0.00 09:00:23 ens3 2.94 2.31 0.96 1.95 0.00 0.00 0.00 0.00 09:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:24 lo 45.85 45.85 18.30 18.30 0.00 0.00 0.00 0.00 09:10:24 ens3 1.41 1.21 0.30 0.26 0.00 0.00 0.00 0.00 09:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:04 lo 9.59 9.59 5.25 5.25 0.00 0.00 0.00 0.00 09:20:04 ens3 0.72 0.50 0.17 0.12 0.00 0.00 0.00 0.00 09:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:09 lo 12.35 12.35 6.46 6.46 0.00 0.00 0.00 0.00 09:30:09 ens3 0.68 0.58 0.18 0.15 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:09 lo 15.87 15.87 8.54 8.54 0.00 0.00 0.00 0.00 09:40:09 ens3 6.33 3.42 3.91 2.57 0.00 0.00 0.00 0.00 09:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:26 lo 17.39 17.39 8.39 8.39 0.00 0.00 0.00 0.00 09:50:26 ens3 0.70 0.55 0.16 0.13 0.00 0.00 0.00 0.00 09:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:10 lo 24.93 24.93 8.43 8.43 0.00 0.00 0.00 0.00 10:00:10 ens3 0.77 0.37 0.22 0.15 0.00 0.00 0.00 0.00 10:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:10 lo 19.11 19.11 10.88 10.88 0.00 0.00 0.00 0.00 10:10:10 ens3 0.90 0.65 0.22 0.16 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 17.77 17.77 9.97 9.97 0.00 0.00 0.00 0.00 10:20:11 ens3 0.68 0.48 0.14 0.10 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:12 lo 21.32 21.32 10.31 10.31 0.00 0.00 0.00 0.00 10:30:12 ens3 1.31 1.08 0.40 0.32 0.00 0.00 0.00 0.00 10:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.22 21.22 10.79 10.79 0.00 0.00 0.00 0.00 Average: ens3 1.65 1.12 0.67 0.59 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-4c-16g-23111) 06/03/26 _x86_64_ (4 CPU) 08:42:19 LINUX RESTART (4 CPU) 08:50:08 CPU %user %nice %system %iowait %steal %idle 09:00:23 all 58.59 0.00 2.25 0.18 0.10 38.88 09:00:23 0 58.51 0.00 2.32 0.12 0.10 38.95 09:00:23 1 57.29 0.00 2.33 0.38 0.10 39.90 09:00:23 2 59.42 0.00 2.09 0.11 0.09 38.28 09:00:23 3 59.15 0.00 2.28 0.09 0.10 38.38 09:10:24 all 32.34 0.00 1.37 0.09 0.10 66.10 09:10:24 0 32.20 0.00 1.42 0.11 0.10 66.17 09:10:24 1 31.89 0.00 1.49 0.07 0.10 66.44 09:10:24 2 33.07 0.00 1.31 0.06 0.10 65.45 09:10:24 3 32.22 0.00 1.25 0.10 0.10 66.33 09:20:04 all 12.04 0.00 0.65 0.03 0.09 87.19 09:20:04 0 12.53 0.00 0.79 0.03 0.09 86.57 09:20:04 1 11.63 0.00 0.71 0.02 0.08 87.56 09:20:04 2 12.44 0.00 0.64 0.01 0.09 86.83 09:20:04 3 11.57 0.00 0.49 0.05 0.08 87.81 09:30:09 all 19.37 0.00 0.64 0.05 0.09 79.86 09:30:09 0 19.09 0.00 0.59 0.01 0.09 80.20 09:30:09 1 19.09 0.00 0.64 0.01 0.09 80.18 09:30:09 2 19.38 0.00 0.63 0.12 0.08 79.78 09:30:09 3 19.90 0.00 0.68 0.05 0.09 79.28 09:40:09 all 25.59 0.00 0.85 0.07 0.09 73.42 09:40:09 0 25.50 0.00 0.82 0.05 0.08 73.55 09:40:09 1 25.79 0.00 0.94 0.07 0.09 73.11 09:40:09 2 25.90 0.00 0.85 0.09 0.08 73.08 09:40:09 3 25.16 0.00 0.78 0.05 0.09 73.93 09:50:26 all 7.82 0.00 0.45 0.03 0.08 91.62 09:50:26 0 7.76 0.00 0.42 0.05 0.08 91.68 09:50:26 1 7.87 0.00 0.52 0.04 0.08 91.49 09:50:26 2 7.83 0.00 0.43 0.00 0.08 91.66 09:50:26 3 7.82 0.00 0.42 0.01 0.07 91.67 10:00:10 all 8.14 0.00 0.48 0.02 0.08 91.27 10:00:10 0 8.03 0.00 0.49 0.03 0.07 91.38 10:00:10 1 8.28 0.00 0.46 0.03 0.08 91.14 10:00:10 2 8.35 0.00 0.57 0.01 0.08 90.99 10:00:10 3 7.90 0.00 0.42 0.01 0.08 91.59 10:10:10 all 17.08 0.00 0.70 0.03 0.09 82.10 10:10:10 0 17.31 0.00 0.64 0.03 0.09 81.93 10:10:10 1 17.39 0.00 0.77 0.05 0.09 81.69 10:10:10 2 16.83 0.00 0.71 0.01 0.09 82.35 10:10:10 3 16.80 0.00 0.69 0.01 0.09 82.41 10:20:11 all 8.60 0.00 0.46 0.02 0.08 90.84 10:20:11 0 8.48 0.00 0.46 0.01 0.08 90.97 10:20:11 1 8.77 0.00 0.47 0.02 0.08 90.66 10:20:11 2 9.16 0.00 0.53 0.04 0.08 90.19 10:20:11 3 7.99 0.00 0.39 0.01 0.07 91.54 10:30:12 all 14.04 0.00 0.50 0.04 0.08 85.34 10:30:12 0 14.92 0.00 0.60 0.03 0.08 84.37 10:30:12 1 13.27 0.00 0.45 0.03 0.08 86.18 10:30:12 2 14.02 0.00 0.52 0.06 0.09 85.31 10:30:12 3 13.95 0.00 0.44 0.03 0.08 85.50 Average: all 20.48 0.00 0.84 0.05 0.09 78.54 Average: 0 20.55 0.00 0.86 0.05 0.09 78.46 Average: 1 20.24 0.00 0.88 0.07 0.09 78.72 Average: 2 20.75 0.00 0.83 0.05 0.09 78.27 Average: 3 20.37 0.00 0.79 0.04 0.09 78.72