---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14347 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 5600.00 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 702 11723 3 3564 14944 Swap: 1023 1 1022 ---> 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:df:63:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79638sec preferred_lft 79638sec inet6 fe80::f816:3eff:fedf:6398/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:f9:3c:6d:4f:59 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-14347) 02/18/26 _x86_64_ (4 CPU) 12:35:47 LINUX RESTART (4 CPU) 12:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 108.93 2.65 86.17 20.11 765.15 32600.34 255885.32 13:00:02 65.79 32.08 32.08 1.63 457.64 1794.05 2356.29 13:10:02 10.68 0.59 9.58 0.51 22.08 287.62 1280.33 13:20:02 10.41 0.11 9.77 0.53 5.23 584.64 1896.12 13:30:02 19.02 0.02 18.05 0.95 0.75 571.92 620.79 13:40:02 5.53 0.05 5.18 0.30 2.25 137.17 687.20 13:50:02 5.64 0.01 5.39 0.23 0.33 148.63 81.29 14:00:02 6.00 0.03 5.81 0.16 2.68 164.31 100.32 14:10:02 4.58 0.01 4.45 0.13 0.16 208.31 461.89 14:20:02 9.40 0.40 8.55 0.45 9.63 553.80 7791.81 Average: 24.26 3.60 18.23 2.43 124.02 3588.60 26193.97 12:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 1154424 9201572 6719248 41.04 254744 7586480 9749740 55.96 2201840 12239808 1184 13:00:02 3608648 5975352 9960828 60.84 212580 2215288 10879160 62.45 1872876 10379516 164 13:10:02 3719300 6111052 9826864 60.02 214248 2238544 11049128 63.42 1888864 10263096 488 13:20:02 12323740 14823768 1119436 6.84 218416 2342756 1840612 10.57 1920192 1667976 504 13:30:02 11436012 14015008 1927488 11.77 221292 2418888 2884608 16.56 1936644 2537120 916 13:40:02 8692516 11287552 4653480 28.42 222212 2434012 5382396 30.89 1938748 5266372 420 13:50:02 8633612 11246796 4694148 28.67 222892 2451476 5259280 30.19 1940148 5311100 40 14:00:02 11524328 14174660 1767544 10.80 223344 2488172 2897116 16.63 1944696 2438340 18944 14:10:02 12073216 14745624 1197136 7.31 223776 2509816 1927976 11.07 1946584 1885228 552 14:20:02 8548164 11342540 4598448 28.09 227608 2627704 5225328 29.99 1962888 5385944 252 Average: 8171396 11292392 4646462 28.38 224111 2931314 5709534 32.77 1955348 5737450 2346 12:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 4.14 4.14 5.24 5.24 0.00 0.00 0.00 0.00 12:50:02 ens3 53.45 35.18 950.59 3.85 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 41.94 41.94 23.36 23.36 0.00 0.00 0.00 0.00 13:00:02 ens3 2.06 1.98 0.46 0.41 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 30.63 30.63 12.80 12.80 0.00 0.00 0.00 0.00 13:10:02 ens3 1.45 0.98 0.42 0.31 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 14.44 14.44 7.01 7.01 0.00 0.00 0.00 0.00 13:20:02 ens3 1.00 0.62 0.30 0.22 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 12.75 12.75 7.20 7.20 0.00 0.00 0.00 0.00 13:30:02 ens3 0.89 0.71 0.17 0.14 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 20.18 20.18 9.68 9.68 0.00 0.00 0.00 0.00 13:40:02 ens3 0.82 0.60 0.19 0.14 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 26.18 26.18 8.87 8.87 0.00 0.00 0.00 0.00 13:50:02 ens3 0.62 0.63 0.10 0.74 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 17.13 17.13 8.60 8.60 0.00 0.00 0.00 0.00 14:00:02 ens3 0.85 0.59 0.20 0.77 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 lo 17.89 17.89 10.50 10.50 0.00 0.00 0.00 0.00 14:10:02 ens3 0.65 0.53 0.16 0.12 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:02 lo 18.15 18.15 10.05 10.05 0.00 0.00 0.00 0.00 14:20:02 ens3 0.99 0.82 0.25 0.21 0.00 0.00 0.00 0.00 14:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.41 20.41 10.35 10.35 0.00 0.00 0.00 0.00 Average: ens3 6.09 4.14 91.84 0.68 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-14347) 02/18/26 _x86_64_ (4 CPU) 12:35:47 LINUX RESTART (4 CPU) 12:40:26 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 40.35 0.00 2.13 11.47 0.11 45.95 12:50:02 0 43.33 0.00 2.33 11.48 0.11 42.74 12:50:02 1 38.96 0.00 2.08 11.74 0.10 47.12 12:50:02 2 39.77 0.00 2.17 7.67 0.11 50.29 12:50:02 3 39.31 0.00 1.93 14.99 0.10 43.66 13:00:02 all 56.39 0.00 2.20 0.50 0.14 40.77 13:00:02 0 56.29 0.00 2.20 0.37 0.14 41.01 13:00:02 1 55.87 0.00 2.40 0.60 0.14 40.98 13:00:02 2 56.61 0.00 2.04 0.68 0.15 40.52 13:00:02 3 56.78 0.00 2.16 0.35 0.15 40.56 13:10:02 all 23.32 0.00 1.09 0.20 0.10 75.29 13:10:02 0 23.30 0.00 1.08 0.06 0.10 75.45 13:10:02 1 23.44 0.00 1.12 0.47 0.11 74.87 13:10:02 2 23.13 0.00 1.08 0.16 0.10 75.52 13:10:02 3 23.41 0.00 1.07 0.10 0.11 75.31 13:20:02 all 16.59 0.00 0.80 0.10 0.09 82.41 13:20:02 0 16.55 0.00 0.71 0.03 0.09 82.62 13:20:02 1 17.15 0.00 0.88 0.05 0.09 81.83 13:20:02 2 16.53 0.00 0.80 0.24 0.10 82.33 13:20:02 3 16.13 0.00 0.82 0.08 0.10 82.86 13:30:02 all 28.97 0.00 0.89 0.14 0.10 69.91 13:30:02 0 28.73 0.00 0.88 0.04 0.10 70.25 13:30:02 1 29.13 0.00 0.96 0.19 0.10 69.63 13:30:02 2 28.99 0.00 0.84 0.21 0.09 69.86 13:30:02 3 29.02 0.00 0.88 0.10 0.09 69.91 13:40:02 all 11.39 0.00 0.44 0.03 0.09 88.05 13:40:02 0 11.58 0.00 0.45 0.02 0.09 87.86 13:40:02 1 11.38 0.00 0.42 0.02 0.10 88.09 13:40:02 2 11.40 0.00 0.44 0.02 0.10 88.04 13:40:02 3 11.20 0.00 0.46 0.05 0.09 88.21 13:50:02 all 8.21 0.00 0.44 0.56 0.07 90.71 13:50:02 0 8.01 0.00 0.43 0.35 0.07 91.15 13:50:02 1 8.56 0.00 0.47 0.99 0.09 89.90 13:50:02 2 8.34 0.00 0.46 0.54 0.08 90.58 13:50:02 3 7.95 0.00 0.42 0.34 0.07 91.22 14:00:02 all 12.29 0.00 0.62 0.47 0.09 86.53 14:00:02 0 12.43 0.00 0.55 0.11 0.08 86.82 14:00:02 1 12.60 0.00 0.68 1.15 0.08 85.49 14:00:02 2 12.15 0.00 0.71 0.28 0.08 86.78 14:00:02 3 12.00 0.00 0.54 0.33 0.09 87.03 14:10:02 all 9.19 0.00 0.41 0.30 0.08 90.01 14:10:02 0 8.90 0.00 0.35 0.12 0.07 90.56 14:10:02 1 9.35 0.00 0.46 0.20 0.07 89.91 14:10:02 2 9.43 0.00 0.39 0.03 0.09 90.06 14:10:02 3 9.09 0.00 0.42 0.87 0.11 89.52 14:20:02 all 19.38 0.00 0.73 0.26 0.08 79.54 14:20:02 0 19.69 0.00 0.69 0.12 0.08 79.42 14:20:02 1 18.94 0.00 0.77 0.14 0.08 80.07 14:20:02 2 19.72 0.00 0.80 0.29 0.09 79.10 14:20:02 3 19.19 0.00 0.67 0.49 0.09 79.56 Average: all 22.53 0.00 0.97 1.36 0.10 75.04 Average: 0 22.79 0.00 0.96 1.23 0.09 74.92 Average: 1 22.46 0.00 1.02 1.51 0.09 74.91 Average: 2 22.52 0.00 0.97 0.98 0.10 75.43 Average: 3 22.34 0.00 0.93 1.71 0.10 74.92